MASTER Net MASTER Database: GRB250101.56 page

Please use the reference to MASTER DataBase as Lipunov et al., 2010, MASTER Robotic Net, Advances in Astronomy, vol. 2010, p.30L

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GRB coord: ErrorBox (deg): Sys Error (deg):
Sattel : Trigger: Notice:
GRB_Name: trignum: Nights after: FullSky


Name SWIFT GRB250101.56
Trignum 1278305
Trigger time 2025-01-01 13:22:50.04
Notice time 2025-01-01 13:23:40.333845
Coord, eb (02h 28m 14.64s , +19d 09m 14.4s) , 0.05
Max dist: 1 sigma 3 sigma
AGN candidates: Milliquas
r90wise
wiseXgaia
BL Lac candidates: 1 Sigma
3 Sigma

MASTER observatories and transients from them in error-field
Kislovodsk Transients (Undef)
(All)
(Yes)
Trans. Difference (Undef)
(All)
(Yes)
(Gal)
Amur Transients (Undef)
(All)
(Yes)
Trans. Difference (Undef)
(All)
(Yes)
(Gal)
Tunka Transients (Undef)
(All)
(Yes)
Trans. Difference (Undef)
(All)
(Yes)
(Gal)
OAFA Transients (Undef)
(All)
(Yes)
Trans. Difference (Undef)
(All)
(Yes)
(Gal)
IAC Transients (Undef)
(All)
(Yes)
Trans. Difference (Undef)
(All)
(Yes)
(Gal)
SAAO Transients (Undef)
(All)
(Yes)
Trans. Difference (Undef)
(All)
(Yes)
(Gal)
Tavrida Transients (Undef)
(All)
(Yes)
Trans. Difference (Undef)
(All)
(Yes)
(Gal)
OAGH Transients (Undef)
(All)
(Yes)
Trans. Difference (Undef)
(All)
(Yes)
(Gal)

You are viewing outdated information, relevant error box is here

All alerts for this trigger
id noticetime coord2000 satel errorbox type trigger seq trig_type links
2730236 2025-01-01 13:40:44.61255 02h 28m 16.71s +19d 11m 42.8s ANTARES 0.00108333 1278305
2735254 2025-01-06 10:36:48.065176 02h 28m 10.20s +19d 11m 52.4s SWIFT 0 pointdir 1278305 1266 83 pointdir
2730233 2025-01-01 13:31:58.212244 02h 28m 16.56s +19d 11m 38.4s SWIFT 0.000305556 alert 1278305 1 81 alert
2730220 2025-01-01 13:26:12.053613 02h 28m 21.60s +19d 10m 32.2s SWIFT 0 alert 1278305 4 68 alert
2730242 2025-01-01 13:43:56.662918 02h 28m 16.56s +19d 11m 38.4s SWIFT 0.0005 alert 1278305 4 67 alert
2730218 2025-01-01 13:23:55.795973 02h 28m 14.64s +19d 09m 14.4s SWIFT 0.05 alert 1278305 3 61 alert

DAYS:

MASTER optical transients in this field
Will be published in GCN, ATEL

Synchronous WFC images
Distance datetime coord2000 observatory camera links
Errorbox center visibility at MASTER facilities
trigger notice notice+1hr now

2025-01-01 13:22:50 (JD 2460677.057523)

Siderial time 22.651723 h

Ra 02:28:14.64 Dec 19:09:14.40
( 37.061000d, 19.154000d)

Rise 2025-01-02 09:01:04

Transit 2025-01-02 17:07:25

Set 2025-01-02 01:17:42

Amur

Object: Altitude: 49.53 Azimuth: 51.60

Sun: Altitude: -52.85 Azimuth: 125.31

Moon: Altitude: -40.64 Azimuth: 101.01

Tunka

Object: Altitude: 56.72 Azimuth: 14.15

Sun: Altitude: -38.23 Azimuth: 101.38

Moon: Altitude: -25.33 Azimuth: 82.55

Kislovodsk

Object: Altitude: 40.05 Azimuth: 282.19

Sun: Altitude: 2.02 Azimuth: 54.92

Moon: Altitude: 12.70 Azimuth: 37.28

Tavrida

Object: Altitude: 33.88 Azimuth: 276.25

Sun: Altitude: 6.20 Azimuth: 48.66

Moon: Altitude: 15.26 Azimuth: 29.94

SAAO

Object: Altitude: 2.46 Azimuth: 245.41

Sun: Altitude: 52.77 Azimuth: 94.02

Moon: Altitude: 71.67 Azimuth: 112.02

IAC

Object: Altitude: -8.52 Azimuth: 242.78

Sun: Altitude: 38.59 Azimuth: 4.29

Moon: Altitude: 34.57 Azimuth: 339.20

Argentina

Object: Altitude: -71.00 Azimuth: 307.95

Sun: Altitude: 45.83 Azimuth: 271.21

Moon: Altitude: 27.48 Azimuth: 282.69

Mexico

Object: Altitude: -34.23 Azimuth: 150.79

Sun: Altitude: -11.81 Azimuth: 289.87

Moon: Altitude: -30.72 Azimuth: 281.37

Ural

Object: Altitude: 43.98 Azimuth: 310.55

Sun: Altitude: -13.77 Azimuth: 68.84

Moon: Altitude: -4.31 Azimuth: 50.42

Vostryakovo

Object: Altitude: 34.16 Azimuth: 286.57

Sun: Altitude: -2.52 Azimuth: 51.37

Moon: Altitude: 4.88 Azimuth: 32.25

Gal. latitude: -37.608245 Gal. longitude: 153.024637

Dist. to Sun: 119.764786

Dist. to Moon: 100.084101

Moon coord.: (304.336456 d, -24.126095 d)

Sun coord.: (282.004022 d, -22.987792 d)

Lunar disk: 0.031780

Lunar phase: 159.462175

Lunar bright limb: 268.366627

No SN in this field

2025-01-01 13:23:40 (JD 2460677.058102)

Siderial time 22.665650 h

Ra 02:28:14.64 Dec 19:09:14.40
( 37.061000d, 19.154000d)

Rise 2025-01-02 09:01:04

Transit 2025-01-02 17:07:25

Set 2025-01-02 01:17:42

Amur

Object: Altitude: 49.43 Azimuth: 51.86

Sun: Altitude: -52.96 Azimuth: 125.58

Moon: Altitude: -40.77 Azimuth: 101.19

Tunka

Object: Altitude: 56.69 Azimuth: 14.50

Sun: Altitude: -38.35 Azimuth: 101.56

Moon: Altitude: -25.45 Azimuth: 82.70

Kislovodsk

Object: Altitude: 40.20 Azimuth: 282.37

Sun: Altitude: 1.90 Azimuth: 55.07

Moon: Altitude: 12.62 Azimuth: 37.44

Tavrida

Object: Altitude: 34.03 Azimuth: 276.41

Sun: Altitude: 6.09 Azimuth: 48.81

Moon: Altitude: 15.19 Azimuth: 30.11

SAAO

Object: Altitude: 2.62 Azimuth: 245.29

Sun: Altitude: 52.59 Azimuth: 93.90

Moon: Altitude: 71.51 Azimuth: 111.73

IAC

Object: Altitude: -8.35 Azimuth: 242.89

Sun: Altitude: 38.58 Azimuth: 4.54

Moon: Altitude: 34.63 Azimuth: 339.41

Argentina

Object: Altitude: -70.86 Azimuth: 307.53

Sun: Altitude: 46.01 Azimuth: 271.11

Moon: Altitude: 27.65 Azimuth: 282.60

Mexico

Object: Altitude: -34.31 Azimuth: 151.00

Sun: Altitude: -11.64 Azimuth: 289.96

Moon: Altitude: -30.55 Azimuth: 281.46

Ural

Object: Altitude: 44.07 Azimuth: 310.80

Sun: Altitude: -13.88 Azimuth: 69.00

Moon: Altitude: -4.39 Azimuth: 50.58

Vostryakovo

Object: Altitude: 34.28 Azimuth: 286.76

Sun: Altitude: -2.61 Azimuth: 51.53

Moon: Altitude: 4.82 Azimuth: 32.42

Gal. latitude: -37.608245 Gal. longitude: 153.024637

Dist. to Sun: 119.764198

Dist. to Moon: 100.076273

Moon coord.: (304.344720 d, -24.123995 d)

Sun coord.: (282.004661 d, -22.987743 d)

Lunar disk: 0.031801

Lunar phase: 159.455143

Lunar bright limb: 268.358604

No SN in this field

2025-01-01 14:23:40 (JD 2460677.099769)

Siderial time 23.668388 h

Ra 02:28:14.64 Dec 19:09:14.40
( 37.061000d, 19.154000d)

Rise 2025-01-02 09:01:04

Transit 2025-01-02 17:07:25

Set 2025-01-02 01:17:42

Amur

Object: Altitude: 41.11 Azimuth: 68.30

Sun: Altitude: -59.56 Azimuth: 147.58

Moon: Altitude: -49.40 Azimuth: 115.38

Tunka

Object: Altitude: 52.55 Azimuth: 38.12

Sun: Altitude: -47.11 Azimuth: 116.14

Moon: Altitude: -34.25 Azimuth: 94.05

Kislovodsk

Object: Altitude: 50.44 Azimuth: 296.45

Sun: Altitude: -7.49 Azimuth: 65.21

Moon: Altitude: 5.61 Azimuth: 48.77

Tavrida

Object: Altitude: 44.44 Azimuth: 288.94

Sun: Altitude: -2.55 Azimuth: 59.59

Moon: Altitude: 9.27 Azimuth: 42.18

SAAO

Object: Altitude: 13.71 Azimuth: 236.31

Sun: Altitude: 39.94 Azimuth: 85.87

Moon: Altitude: 59.62 Azimuth: 97.50

IAC

Object: Altitude: 3.80 Azimuth: 250.26

Sun: Altitude: 35.59 Azimuth: 21.45

Moon: Altitude: 37.58 Azimuth: 355.34

Argentina

Object: Altitude: -59.42 Azimuth: 286.89

Sun: Altitude: 58.72 Azimuth: 262.20

Moon: Altitude: 39.69 Azimuth: 276.12

Mexico

Object: Altitude: -38.88 Azimuth: 167.79

Sun: Altitude: 0.13 Azimuth: 297.21

Moon: Altitude: -18.50 Azimuth: 287.37

Ural

Object: Altitude: 49.28 Azimuth: 330.14

Sun: Altitude: -21.74 Azimuth: 80.93

Moon: Altitude: -10.80 Azimuth: 62.22

Vostryakovo

Object: Altitude: 42.05 Azimuth: 301.93

Sun: Altitude: -9.78 Azimuth: 63.40

Moon: Altitude: -0.15 Azimuth: 44.65

Gal. latitude: -37.608245 Gal. longitude: 153.024637

Dist. to Sun: 119.721865

Dist. to Moon: 99.512441

Moon coord.: (304.939256 d, -23.971568 d)

Sun coord.: (282.050657 d, -22.984222 d)

Lunar disk: 0.033372

Lunar phase: 158.948253

Lunar bright limb: 267.790104

No SN in this field

2025-03-27 17:48:59 (JD 2460762.242350)

Siderial time 8.685036 h

Ra 02:28:14.64 Dec 19:09:14.40
( 37.061000d, 19.154000d)

Rise 2025-03-28 03:26:51

Transit 2025-03-28 11:33:12

Set 2025-03-28 19:39:33

Amur

Object: Altitude: -20.47 Azimuth: 183.11

Sun: Altitude: -29.55 Azimuth: 219.64

Moon: Altitude: -27.75 Azimuth: 246.86

Tunka

Object: Altitude: -16.63 Azimuth: 158.98

Sun: Altitude: -34.85 Azimuth: 191.39

Moon: Altitude: -39.28 Azimuth: 220.97

Kislovodsk

Object: Altitude: 7.50 Azimuth: 109.40

Sun: Altitude: -24.75 Azimuth: 120.99

Moon: Altitude: -45.70 Azimuth: 135.31

Tavrida

Object: Altitude: 13.62 Azimuth: 103.60

Sun: Altitude: -18.90 Azimuth: 114.26

Moon: Altitude: -40.45 Azimuth: 126.33

SAAO

Object: Altitude: 0.67 Azimuth: 113.33

Sun: Altitude: -15.88 Azimuth: 83.05

Moon: Altitude: -26.65 Azimuth: 60.08

IAC

Object: Altitude: 53.24 Azimuth: 84.37

Sun: Altitude: 19.09 Azimuth: 82.62

Moon: Altitude: -4.79 Azimuth: 83.68

Argentina

Object: Altitude: 37.37 Azimuth: 196.39

Sun: Altitude: 51.87 Azimuth: 151.87

Moon: Altitude: 47.00 Azimuth: 115.47

Mexico

Object: Altitude: 39.48 Azimuth: 269.99

Sun: Altitude: 53.70 Azimuth: 316.43

Moon: Altitude: 51.04 Azimuth: 355.85

Ural

Object: Altitude: 3.26 Azimuth: 121.07

Sun: Altitude: -24.15 Azimuth: 142.04

Moon: Altitude: -39.80 Azimuth: 163.52

Vostryakovo

Object: Altitude: 13.78 Azimuth: 103.86

Sun: Altitude: -16.16 Azimuth: 120.53

Moon: Altitude: -35.19 Azimuth: 136.72

Gal. latitude: -37.608245 Gal. longitude: 153.024637

Dist. to Sun: 34.172537

Dist. to Moon: 58.032006

Moon coord.: (344.904974 d, -7.830123 d)

Sun coord.: (6.387925 d, 2.763111 d)

Lunar disk: 0.043102

Lunar phase: 156.035277

Lunar bright limb: 64.512145

No SN in this field
Recent coverage and limits telegrams

 #######################################################################################
#######################################################################################

  ID = 11881
TYPE = 35
DAYS = 1


MASTER-Tunka robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Applied Physics Institute, Irkutsk State University) was pointed to the SWIFT GRB 250101A ( K. L. Page et al., GCN 38752) errorbox  35 sec after notice time and 86 sec after trigger time at 2025-01-01 13:24:16 UT, with upper limit up to  21.3 mag. The observations began at zenith distance = 32 deg. The sun  altitude  is -38.6 deg. 

MASTER-Kislovodsk robotic telescope  located in Russia (Lomonosov MSU, Kislovodsk Solar Station of Pulkovo observatory) was pointed to the SWIFT GRB 250101A errorbox  7328 sec after notice time and 7379 sec after trigger time at 2025-01-01 15:25:49 UT, with upper limit up to  19.8 mag. The observations began at zenith distance = 30 deg. The sun  altitude  is -17.5 deg. 

MASTER-SAAO robotic telescope  located in South Africa (South African Astronomical Observatory) was pointed to the SWIFT GRB 250101A errorbox  19693 sec after notice time and 19743 sec after trigger time at 2025-01-01 18:51:53 UT, with upper limit up to  19.7 mag. Observations started at twilight.  The observations began at zenith distance = 51 deg. The sun  altitude  is -12.2 deg. 

MASTER-OAFA robotic telescope  located in Argentina (OAFA observatory of San Juan National University) was pointed to the SWIFT GRB 250101A errorbox  41299 sec after notice time and 41349 sec after trigger time at 2025-01-02 00:52:00 UT, with upper limit up to  19.6 mag. Observations started at twilight.  The observations began at zenith distance = 51 deg. The sun  altitude  is -13.5 deg. 

The galactic latitude b = -38 deg., longitude l = 153 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2730214

We obtain a following upper limits.  

Tmid-T0  |          Site       |Filt.| Expt. | Limit| Comment
_________|_____________________|_____|_______|______|________

      96 |        MASTER-Tunka |   C |    20 | 19.8 |        
     121 |        MASTER-Tunka |   C |    70 | 20.5 |  Coadd 
     491 |        MASTER-Tunka |   C |   810 | 21.3 |  Coadd 
     120 |        MASTER-Tunka |   C |    20 | 19.9 |        
     148 |        MASTER-Tunka |   C |    30 | 20.1 |        
     182 |        MASTER-Tunka |   C |    30 | 20.1 |        
     227 |        MASTER-Tunka |   C |   120 | 20.7 |  Coadd 
     220 |        MASTER-Tunka |   C |    40 | 20.2 |        
     269 |        MASTER-Tunka |   C |    50 | 20.2 |        
     327 |        MASTER-Tunka |   C |    60 | 20.3 |        
     407 |        MASTER-Tunka |   C |   220 | 20.9 |  Coadd 
     396 |        MASTER-Tunka |   C |    70 | 20.4 |        
     480 |        MASTER-Tunka |   C |    90 | 20.4 |        
     583 |        MASTER-Tunka |   C |   110 | 20.4 |        
     728 |        MASTER-Tunka |   C |   400 | 20.9 |  Coadd 
     707 |        MASTER-Tunka |   C |   130 | 20.4 |        
     856 |        MASTER-Tunka |   C |   160 | 20.3 |        
    1029 |        MASTER-Tunka |   C |   180 | 20.1 |        
    1209 |        MASTER-Tunka |   C |   540 | 20.6 |  Coadd 
    1213 |        MASTER-Tunka |   C |   180 | 20.3 |        
    1396 |        MASTER-Tunka |   C |   180 | 20.3 |        
    1580 |        MASTER-Tunka |   C |   180 | 20.2 |        
    1760 |        MASTER-Tunka |   C |   540 | 20.7 |  Coadd 
    1763 |        MASTER-Tunka |   C |   180 | 20.2 |        
    1947 |        MASTER-Tunka |   C |   180 | 20.2 |        
    2131 |        MASTER-Tunka |   C |   180 | 20.2 |        
    2311 |        MASTER-Tunka |   C |   540 | 20.8 |  Coadd 
    2314 |        MASTER-Tunka |   C |   180 | 20.3 |        
    2498 |        MASTER-Tunka |   C |   180 | 20.3 |        
    2681 |        MASTER-Tunka |   C |   180 | 20.2 |        
    2861 |        MASTER-Tunka |   C |   540 | 20.6 |  Coadd 
    2865 |        MASTER-Tunka |   C |   180 | 20.1 |        
    3048 |        MASTER-Tunka |   C |   180 | 20.1 |        
    3232 |        MASTER-Tunka |   C |   180 | 20.1 |        
    3412 |        MASTER-Tunka |   C |   540 | 20.6 |  Coadd 
    3416 |        MASTER-Tunka |   C |   180 | 20.1 |        
    3599 |        MASTER-Tunka |   C |   180 | 20.0 |        
    3783 |        MASTER-Tunka |   C |   180 | 20.1 |        
    3963 |        MASTER-Tunka |   C |   540 | 20.6 |  Coadd 
    3967 |        MASTER-Tunka |   C |   180 | 20.1 |        
    4150 |        MASTER-Tunka |   C |   180 | 20.1 |        
    4334 |        MASTER-Tunka |   C |   180 | 19.9 |        
    4514 |        MASTER-Tunka |   C |   540 | 20.6 |  Coadd 
    4517 |        MASTER-Tunka |   C |   180 | 19.9 |        
    4701 |        MASTER-Tunka |   C |   180 | 19.9 |        
    4885 |        MASTER-Tunka |   C |   180 | 20.1 |        
    5065 |        MASTER-Tunka |   C |   540 | 20.5 |  Coadd 
    5068 |        MASTER-Tunka |   C |   180 | 20.0 |        
    5252 |        MASTER-Tunka |   C |   180 | 19.9 |        
    5435 |        MASTER-Tunka |   C |   180 | 20.1 |        
    5615 |        MASTER-Tunka |   C |   540 | 20.6 |  Coadd 
    5618 |        MASTER-Tunka |   C |   180 | 20.0 |        
    5802 |        MASTER-Tunka |   C |   180 | 20.0 |        
    5985 |        MASTER-Tunka |   C |   180 | 20.0 |        
    6165 |        MASTER-Tunka |   C |   540 | 20.2 |  Coadd 
    6169 |        MASTER-Tunka |   C |   180 | 19.9 |        
    6352 |        MASTER-Tunka |   C |   180 | 19.3 |        
    6536 |        MASTER-Tunka |   C |   180 | 19.0 |        
    6716 |        MASTER-Tunka |   C |   540 | 19.3 |  Coadd 
    6720 |        MASTER-Tunka |   C |   180 | 18.1 |        
    6903 |        MASTER-Tunka |   C |   180 | 18.5 |        
    7179 |        MASTER-Tunka |   C |   180 | 18.5 |        
    7359 |        MASTER-Tunka |   C |   540 | 19.4 |  Coadd 
    7370 |        MASTER-Tunka |   C |   180 | 18.6 |        
    7469 |   MASTER-Kislovodsk |   C |   180 | 19.1 |        
    7649 |   MASTER-Kislovodsk |   C |   540 | 19.7 |  Coadd 
    7562 |        MASTER-Tunka |   C |   180 | 19.1 |        
    7669 |   MASTER-Kislovodsk |   C |   180 | 18.9 |        
    7756 |        MASTER-Tunka |   C |   180 | 18.4 |        
    7936 |        MASTER-Tunka |   C |   540 | 18.8 |  Coadd 
    7868 |   MASTER-Kislovodsk |   C |   180 | 19.0 |        
    7948 |        MASTER-Tunka |   C |   180 | 17.6 |        
    8079 |   MASTER-Kislovodsk |   C |   180 | 19.0 |        
    8259 |   MASTER-Kislovodsk |   C |   540 | 19.8 |  Coadd 
    8140 |        MASTER-Tunka |   C |   180 | 18.3 |        
    8279 |   MASTER-Kislovodsk |   C |   180 | 18.9 |        
    8333 |        MASTER-Tunka |   C |   180 | 18.3 |        
    8513 |        MASTER-Tunka |   C |   540 | 18.3 |  Coadd 
    8479 |   MASTER-Kislovodsk |   C |   180 | 19.0 |        
    8527 |        MASTER-Tunka |   C |   180 | 17.3 |        
    8678 |   MASTER-Kislovodsk |   C |   180 | 19.0 |        
    8858 |   MASTER-Kislovodsk |   C |   540 | 19.8 |  Coadd 
    8719 |        MASTER-Tunka |   C |   180 | 16.8 |        
    8878 |   MASTER-Kislovodsk |   C |   180 | 19.1 |        
    8913 |        MASTER-Tunka |   C |   180 | 17.0 |        
    9003 |        MASTER-Tunka |   C |   360 | 17.4 |  Coadd 
    9078 |   MASTER-Kislovodsk |   C |   180 | 19.1 |        
    9061 |        MASTER-Tunka |   C |    90 | 16.5 |        
    9511 |        MASTER-Tunka |   C |   990 | 18.6 |  Coadd 
    9168 |        MASTER-Tunka |   C |    90 | 16.7 |        
    9278 |   MASTER-Kislovodsk |   C |   180 | 19.1 |        
    9458 |   MASTER-Kislovodsk |   C |   540 | 19.8 |  Coadd 
    9271 |        MASTER-Tunka |   C |    90 | 16.1 |        
    9361 |        MASTER-Tunka |   C |   270 | 17.2 |  Coadd 
    9374 |        MASTER-Tunka |   C |    90 | 16.6 |        
    9478 |   MASTER-Kislovodsk |   C |   180 | 19.1 |        
    9477 |        MASTER-Tunka |   C |    90 | 16.9 |        
    9585 |        MASTER-Tunka |   C |    90 | 16.9 |        
    9675 |        MASTER-Tunka |   C |   270 | 17.6 |  Coadd 
    9678 |   MASTER-Kislovodsk |   C |   180 | 19.1 |        
    9689 |        MASTER-Tunka |   C |    90 | 17.0 |        
    9792 |        MASTER-Tunka |   C |    90 | 17.0 |        
    9878 |   MASTER-Kislovodsk |   C |   180 | 19.1 |        
   10058 |   MASTER-Kislovodsk |   C |   540 | 19.7 |  Coadd 
    9894 |        MASTER-Tunka |   C |    90 | 18.0 |        
    9984 |        MASTER-Tunka |   C |   270 | 18.9 |  Coadd 
    9997 |        MASTER-Tunka |   C |    90 | 18.8 |        
   10078 |   MASTER-Kislovodsk |   C |   180 | 18.9 |        
   10100 |        MASTER-Tunka |   C |    90 | 17.8 |        
   10249 |        MASTER-Tunka |   C |   180 | 17.4 |        
   10429 |        MASTER-Tunka |   C |   540 | 19.2 |  Coadd 
   10277 |   MASTER-Kislovodsk |   C |   180 | 18.9 |        
   10442 |        MASTER-Tunka |   C |   180 | 18.3 |        
   10477 |   MASTER-Kislovodsk |   C |   180 | 18.9 |        
   10657 |   MASTER-Kislovodsk |   C |   540 | 19.7 |  Coadd 
   10634 |        MASTER-Tunka |   C |   180 | 19.2 |        
   10677 |   MASTER-Kislovodsk |   C |   180 | 19.0 |        
   10828 |        MASTER-Tunka |   C |   180 | 20.1 |        
   11008 |        MASTER-Tunka |   C |   540 | 20.5 |  Coadd 
   10876 |   MASTER-Kislovodsk |   C |   180 | 18.9 |        
   11020 |        MASTER-Tunka |   C |   180 | 20.1 |        
   11076 |   MASTER-Kislovodsk |   C |   180 | 18.8 |        
   11256 |   MASTER-Kislovodsk |   C |   540 | 19.5 |  Coadd 
   11211 |        MASTER-Tunka |   C |   180 | 19.8 |        
   11276 |   MASTER-Kislovodsk |   C |   180 | 18.7 |        
   11403 |        MASTER-Tunka |   C |   180 | 19.7 |        
   11583 |        MASTER-Tunka |   C |   540 | 20.1 |  Coadd 
   11476 |   MASTER-Kislovodsk |   C |   180 | 18.8 |        
   11597 |        MASTER-Tunka |   C |   180 | 19.7 |        
   11676 |   MASTER-Kislovodsk |   C |   180 | 18.8 |        
   11856 |   MASTER-Kislovodsk |   C |   540 | 19.5 |  Coadd 
   11789 |        MASTER-Tunka |   C |   180 | 19.4 |        
   11876 |   MASTER-Kislovodsk |   C |   180 | 18.7 |        
   11984 |        MASTER-Tunka |   C |   180 | 19.3 |        
   12164 |        MASTER-Tunka |   C |   540 | 20.1 |  Coadd 
   12076 |   MASTER-Kislovodsk |   C |   180 | 18.7 |        
   12177 |        MASTER-Tunka |   C |   180 | 19.7 |        
   12275 |   MASTER-Kislovodsk |   C |   180 | 18.6 |        
   13444 |        MASTER-Tunka |   C |   180 | 19.6 |        
   13491 |   MASTER-Kislovodsk |   C |   180 | 18.2 |        
   14648 |        MASTER-Tunka |   C |   180 | 15.3 |        
   14828 |        MASTER-Tunka |   C |   540 | 15.9 |  Coadd 
   14748 |   MASTER-Kislovodsk |   C |   180 | 18.4 |        
   15863 |        MASTER-Tunka |   C |   180 | 13.5 |        
   16151 |   MASTER-Kislovodsk |   C |   180 | 18.5 |        
   17056 |        MASTER-Tunka |   C |   180 | 16.9 |        
   17366 |   MASTER-Kislovodsk |   C |   180 | 18.3 |        
   18313 |        MASTER-Tunka |   C |   180 | 16.7 |        
   18577 |   MASTER-Kislovodsk |   C |   180 | 18.7 |        
   19834 |         MASTER-SAAO |   C |   180 | 18.0 |        
   19952 |        MASTER-Tunka |   C |   180 | 14.6 |        
   20034 |         MASTER-SAAO |   C |   180 | 18.5 |        
   20090 |   MASTER-Kislovodsk |   C |   180 | 18.7 |        
   20233 |         MASTER-SAAO |   C |   180 | 18.9 |        
   20435 |         MASTER-SAAO |   C |   180 | 19.1 |        
   20634 |         MASTER-SAAO |   C |   180 | 19.4 |        
   21215 |        MASTER-Tunka |   C |   180 | 14.5 |        
   21324 |   MASTER-Kislovodsk |   C |   180 | 18.4 |        
   21891 |         MASTER-SAAO |   C |   180 | 19.7 |        
   22468 |        MASTER-Tunka |   C |   180 | 14.4 |        
   22542 |   MASTER-Kislovodsk |   C |   180 | 18.4 |        
   23141 |         MASTER-SAAO |   C |   180 | 19.7 |        
   23723 |        MASTER-Tunka |   C |   180 | 16.4 |        
   23751 |   MASTER-Kislovodsk |   C |   180 | 18.4 |        
   24409 |         MASTER-SAAO |   C |   180 | 19.4 |        
   25005 |   MASTER-Kislovodsk |   C |   180 | 18.1 |        
   26132 |         MASTER-SAAO |   C |   180 | 19.3 |        
   27215 |   MASTER-Kislovodsk |   C |   180 | 18.0 |        
   27372 |         MASTER-SAAO |   C |   180 | 19.5 |        
   28429 |   MASTER-Kislovodsk |   C |   180 | 17.8 |        
   28657 |         MASTER-SAAO |   C |   180 | 19.2 |        
   29662 |   MASTER-Kislovodsk |   C |   180 | 17.5 |        
   29866 |         MASTER-SAAO |   C |   180 | 18.8 |        
   31061 |   MASTER-Kislovodsk |   C |   180 | 16.8 |        
   31089 |         MASTER-SAAO |   C |   180 | 18.0 |        
   32336 |         MASTER-SAAO |   C |   180 | 17.5 |        
   32465 |   MASTER-Kislovodsk |   C |   180 | 16.7 |        
   33696 |         MASTER-SAAO |   C |   180 | 18.1 |        
   33701 |   MASTER-Kislovodsk |   C |   180 | 17.5 |        
   34934 |         MASTER-SAAO |   C |   180 | 17.4 |        
   41380 |         MASTER-OAFA |   C |    60 | 15.3 |        
   42257 |         MASTER-OAFA |   C |    60 | 13.8 |        
   42475 |         MASTER-OAFA |   C |    60 | 15.2 |        
   42540 |         MASTER-OAFA |   C |    60 | 18.8 |        
   42600 |         MASTER-OAFA |   C |   180 | 19.3 |  Coadd 
   42606 |         MASTER-OAFA |   C |    60 | 17.8 |        
   43037 |         MASTER-OAFA |   C |    60 | 18.9 |        
   44125 |         MASTER-OAFA |   C |    60 | 19.4 |        
   47409 |         MASTER-OAFA |   C |    60 | 12.3 |        
   52474 |         MASTER-OAFA |   C |    60 | 19.6 |        
   52539 |         MASTER-OAFA |   C |    60 | 19.5 |        
   52605 |         MASTER-OAFA |   C |    60 | 19.5 |        
   76410 |        MASTER-Tunka |   C |    90 | 19.5 |        
   76590 |        MASTER-Tunka |   C |   450 | 20.1 |  Coadd 
   77668 |        MASTER-Tunka |   C |   180 | 19.6 |        
   78883 |        MASTER-Tunka |   C |   180 | 19.6 |        
   80162 |        MASTER-Tunka |   C |   180 | 19.8 |        
   81411 |        MASTER-Tunka |   C |   180 | 20.2 |        
   82676 |        MASTER-Tunka |   C |   180 | 20.1 |        
   83941 |        MASTER-Tunka |   C |   180 | 19.6 |        
   84121 |        MASTER-Tunka |   C |   540 | 20.5 |  Coadd 
   85215 |        MASTER-Tunka |   C |   180 | 20.1 |        
   86410 |        MASTER-Tunka |   C |   180 | 20.1 |        
Filter C is a clear (unfiltred) band. 


The observation and reduction will continue. 
The message may be cited.



#######################################################################################
#######################################################################################

  ID = 11880
TYPE = 35
DAYS = 0.5


MASTER-Tunka robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Applied Physics Institute, Irkutsk State University) was pointed to the SWIFT GRB 250101A ( K. L. Page et al., GCN 38752) errorbox  35 sec after notice time and 86 sec after trigger time at 2025-01-01 13:24:16 UT, with upper limit up to  21.3 mag. The observations began at zenith distance = 32 deg. The sun  altitude  is -38.6 deg. 

MASTER-Kislovodsk robotic telescope  located in Russia (Lomonosov MSU, Kislovodsk Solar Station of Pulkovo observatory) was pointed to the SWIFT GRB 250101A errorbox  7328 sec after notice time and 7379 sec after trigger time at 2025-01-01 15:25:49 UT, with upper limit up to  19.8 mag. The observations began at zenith distance = 30 deg. The sun  altitude  is -17.5 deg. 

MASTER-SAAO robotic telescope  located in South Africa (South African Astronomical Observatory) was pointed to the SWIFT GRB 250101A errorbox  19693 sec after notice time and 19743 sec after trigger time at 2025-01-01 18:51:53 UT, with upper limit up to  19.7 mag. Observations started at twilight.  The observations began at zenith distance = 51 deg. The sun  altitude  is -12.2 deg. 

MASTER-OAFA robotic telescope  located in Argentina (OAFA observatory of San Juan National University) was pointed to the SWIFT GRB 250101A errorbox  41299 sec after notice time and 41349 sec after trigger time at 2025-01-02 00:52:00 UT, with upper limit up to  19.3 mag. Observations started at twilight.  The observations began at zenith distance = 51 deg. The sun  altitude  is -13.5 deg. 

The galactic latitude b = -38 deg., longitude l = 153 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2730214

We obtain a following upper limits.  

Tmid-T0  |          Site       |Filt.| Expt. | Limit| Comment
_________|_____________________|_____|_______|______|________

      96 |        MASTER-Tunka |   C |    20 | 19.8 |        
     121 |        MASTER-Tunka |   C |    70 | 20.5 |  Coadd 
     491 |        MASTER-Tunka |   C |   810 | 21.3 |  Coadd 
     120 |        MASTER-Tunka |   C |    20 | 19.9 |        
     148 |        MASTER-Tunka |   C |    30 | 20.1 |        
     182 |        MASTER-Tunka |   C |    30 | 20.1 |        
     227 |        MASTER-Tunka |   C |   120 | 20.7 |  Coadd 
     220 |        MASTER-Tunka |   C |    40 | 20.2 |        
     269 |        MASTER-Tunka |   C |    50 | 20.2 |        
     327 |        MASTER-Tunka |   C |    60 | 20.3 |        
     407 |        MASTER-Tunka |   C |   220 | 20.9 |  Coadd 
     396 |        MASTER-Tunka |   C |    70 | 20.4 |        
     480 |        MASTER-Tunka |   C |    90 | 20.4 |        
     583 |        MASTER-Tunka |   C |   110 | 20.4 |        
     728 |        MASTER-Tunka |   C |   400 | 20.9 |  Coadd 
     707 |        MASTER-Tunka |   C |   130 | 20.4 |        
     856 |        MASTER-Tunka |   C |   160 | 20.3 |        
    1029 |        MASTER-Tunka |   C |   180 | 20.1 |        
    1209 |        MASTER-Tunka |   C |   540 | 20.6 |  Coadd 
    1213 |        MASTER-Tunka |   C |   180 | 20.3 |        
    1396 |        MASTER-Tunka |   C |   180 | 20.3 |        
    1580 |        MASTER-Tunka |   C |   180 | 20.2 |        
    1760 |        MASTER-Tunka |   C |   540 | 20.7 |  Coadd 
    1763 |        MASTER-Tunka |   C |   180 | 20.2 |        
    1947 |        MASTER-Tunka |   C |   180 | 20.2 |        
    2131 |        MASTER-Tunka |   C |   180 | 20.2 |        
    2311 |        MASTER-Tunka |   C |   540 | 20.8 |  Coadd 
    2314 |        MASTER-Tunka |   C |   180 | 20.3 |        
    2498 |        MASTER-Tunka |   C |   180 | 20.3 |        
    2681 |        MASTER-Tunka |   C |   180 | 20.2 |        
    2861 |        MASTER-Tunka |   C |   540 | 20.6 |  Coadd 
    2865 |        MASTER-Tunka |   C |   180 | 20.1 |        
    3048 |        MASTER-Tunka |   C |   180 | 20.1 |        
    3232 |        MASTER-Tunka |   C |   180 | 20.1 |        
    3412 |        MASTER-Tunka |   C |   540 | 20.6 |  Coadd 
    3416 |        MASTER-Tunka |   C |   180 | 20.1 |        
    3599 |        MASTER-Tunka |   C |   180 | 20.0 |        
    3783 |        MASTER-Tunka |   C |   180 | 20.1 |        
    3963 |        MASTER-Tunka |   C |   540 | 20.6 |  Coadd 
    3967 |        MASTER-Tunka |   C |   180 | 20.1 |        
    4150 |        MASTER-Tunka |   C |   180 | 20.1 |        
    4334 |        MASTER-Tunka |   C |   180 | 19.9 |        
    4514 |        MASTER-Tunka |   C |   540 | 20.6 |  Coadd 
    4517 |        MASTER-Tunka |   C |   180 | 19.9 |        
    4701 |        MASTER-Tunka |   C |   180 | 19.9 |        
    4885 |        MASTER-Tunka |   C |   180 | 20.1 |        
    5065 |        MASTER-Tunka |   C |   540 | 20.5 |  Coadd 
    5068 |        MASTER-Tunka |   C |   180 | 20.0 |        
    5252 |        MASTER-Tunka |   C |   180 | 19.9 |        
    5435 |        MASTER-Tunka |   C |   180 | 20.1 |        
    5615 |        MASTER-Tunka |   C |   540 | 20.6 |  Coadd 
    5618 |        MASTER-Tunka |   C |   180 | 20.0 |        
    5802 |        MASTER-Tunka |   C |   180 | 20.0 |        
    5985 |        MASTER-Tunka |   C |   180 | 20.0 |        
    6165 |        MASTER-Tunka |   C |   540 | 20.2 |  Coadd 
    6169 |        MASTER-Tunka |   C |   180 | 19.9 |        
    6352 |        MASTER-Tunka |   C |   180 | 19.3 |        
    6536 |        MASTER-Tunka |   C |   180 | 19.0 |        
    6716 |        MASTER-Tunka |   C |   540 | 19.3 |  Coadd 
    6720 |        MASTER-Tunka |   C |   180 | 18.1 |        
    6903 |        MASTER-Tunka |   C |   180 | 18.5 |        
    7179 |        MASTER-Tunka |   C |   180 | 18.5 |        
    7359 |        MASTER-Tunka |   C |   540 | 19.4 |  Coadd 
    7370 |        MASTER-Tunka |   C |   180 | 18.6 |        
    7469 |   MASTER-Kislovodsk |   C |   180 | 19.1 |        
    7649 |   MASTER-Kislovodsk |   C |   540 | 19.7 |  Coadd 
    7562 |        MASTER-Tunka |   C |   180 | 19.1 |        
    7669 |   MASTER-Kislovodsk |   C |   180 | 18.9 |        
    7756 |        MASTER-Tunka |   C |   180 | 18.4 |        
    7936 |        MASTER-Tunka |   C |   540 | 18.8 |  Coadd 
    7868 |   MASTER-Kislovodsk |   C |   180 | 19.0 |        
    7948 |        MASTER-Tunka |   C |   180 | 17.6 |        
    8079 |   MASTER-Kislovodsk |   C |   180 | 19.0 |        
    8259 |   MASTER-Kislovodsk |   C |   540 | 19.8 |  Coadd 
    8140 |        MASTER-Tunka |   C |   180 | 18.3 |        
    8279 |   MASTER-Kislovodsk |   C |   180 | 18.9 |        
    8333 |        MASTER-Tunka |   C |   180 | 18.3 |        
    8513 |        MASTER-Tunka |   C |   540 | 18.3 |  Coadd 
    8479 |   MASTER-Kislovodsk |   C |   180 | 19.0 |        
    8527 |        MASTER-Tunka |   C |   180 | 17.3 |        
    8678 |   MASTER-Kislovodsk |   C |   180 | 19.0 |        
    8858 |   MASTER-Kislovodsk |   C |   540 | 19.8 |  Coadd 
    8719 |        MASTER-Tunka |   C |   180 | 16.8 |        
    8878 |   MASTER-Kislovodsk |   C |   180 | 19.1 |        
    8913 |        MASTER-Tunka |   C |   180 | 17.0 |        
    9003 |        MASTER-Tunka |   C |   360 | 17.4 |  Coadd 
    9078 |   MASTER-Kislovodsk |   C |   180 | 19.1 |        
    9061 |        MASTER-Tunka |   C |    90 | 16.5 |        
    9511 |        MASTER-Tunka |   C |   990 | 18.6 |  Coadd 
    9168 |        MASTER-Tunka |   C |    90 | 16.7 |        
    9278 |   MASTER-Kislovodsk |   C |   180 | 19.1 |        
    9458 |   MASTER-Kislovodsk |   C |   540 | 19.8 |  Coadd 
    9271 |        MASTER-Tunka |   C |    90 | 16.1 |        
    9361 |        MASTER-Tunka |   C |   270 | 17.2 |  Coadd 
    9374 |        MASTER-Tunka |   C |    90 | 16.6 |        
    9478 |   MASTER-Kislovodsk |   C |   180 | 19.1 |        
    9477 |        MASTER-Tunka |   C |    90 | 16.9 |        
    9585 |        MASTER-Tunka |   C |    90 | 16.9 |        
    9675 |        MASTER-Tunka |   C |   270 | 17.6 |  Coadd 
    9678 |   MASTER-Kislovodsk |   C |   180 | 19.1 |        
    9689 |        MASTER-Tunka |   C |    90 | 17.0 |        
    9792 |        MASTER-Tunka |   C |    90 | 17.0 |        
    9878 |   MASTER-Kislovodsk |   C |   180 | 19.1 |        
   10058 |   MASTER-Kislovodsk |   C |   540 | 19.7 |  Coadd 
    9894 |        MASTER-Tunka |   C |    90 | 18.0 |        
    9984 |        MASTER-Tunka |   C |   270 | 18.9 |  Coadd 
    9997 |        MASTER-Tunka |   C |    90 | 18.8 |        
   10078 |   MASTER-Kislovodsk |   C |   180 | 18.9 |        
   10100 |        MASTER-Tunka |   C |    90 | 17.8 |        
   10249 |        MASTER-Tunka |   C |   180 | 17.4 |        
   10429 |        MASTER-Tunka |   C |   540 | 19.2 |  Coadd 
   10277 |   MASTER-Kislovodsk |   C |   180 | 18.9 |        
   10442 |        MASTER-Tunka |   C |   180 | 18.3 |        
   10477 |   MASTER-Kislovodsk |   C |   180 | 18.9 |        
   10657 |   MASTER-Kislovodsk |   C |   540 | 19.7 |  Coadd 
   10634 |        MASTER-Tunka |   C |   180 | 19.2 |        
   10677 |   MASTER-Kislovodsk |   C |   180 | 19.0 |        
   10828 |        MASTER-Tunka |   C |   180 | 20.1 |        
   11008 |        MASTER-Tunka |   C |   540 | 20.5 |  Coadd 
   10876 |   MASTER-Kislovodsk |   C |   180 | 18.9 |        
   11020 |        MASTER-Tunka |   C |   180 | 20.1 |        
   11076 |   MASTER-Kislovodsk |   C |   180 | 18.8 |        
   11256 |   MASTER-Kislovodsk |   C |   540 | 19.5 |  Coadd 
   11211 |        MASTER-Tunka |   C |   180 | 19.8 |        
   11276 |   MASTER-Kislovodsk |   C |   180 | 18.7 |        
   11403 |        MASTER-Tunka |   C |   180 | 19.7 |        
   11583 |        MASTER-Tunka |   C |   540 | 20.1 |  Coadd 
   11476 |   MASTER-Kislovodsk |   C |   180 | 18.8 |        
   11597 |        MASTER-Tunka |   C |   180 | 19.7 |        
   11676 |   MASTER-Kislovodsk |   C |   180 | 18.8 |        
   11856 |   MASTER-Kislovodsk |   C |   540 | 19.5 |  Coadd 
   11789 |        MASTER-Tunka |   C |   180 | 19.4 |        
   11876 |   MASTER-Kislovodsk |   C |   180 | 18.7 |        
   11984 |        MASTER-Tunka |   C |   180 | 19.3 |        
   12164 |        MASTER-Tunka |   C |   540 | 20.1 |  Coadd 
   12076 |   MASTER-Kislovodsk |   C |   180 | 18.7 |        
   12177 |        MASTER-Tunka |   C |   180 | 19.7 |        
   12275 |   MASTER-Kislovodsk |   C |   180 | 18.6 |        
   13444 |        MASTER-Tunka |   C |   180 | 19.6 |        
   13491 |   MASTER-Kislovodsk |   C |   180 | 18.2 |        
   14648 |        MASTER-Tunka |   C |   180 | 15.3 |        
   14828 |        MASTER-Tunka |   C |   540 | 15.9 |  Coadd 
   14748 |   MASTER-Kislovodsk |   C |   180 | 18.4 |        
   15863 |        MASTER-Tunka |   C |   180 | 13.5 |        
   16151 |   MASTER-Kislovodsk |   C |   180 | 18.5 |        
   17056 |        MASTER-Tunka |   C |   180 | 16.9 |        
   17366 |   MASTER-Kislovodsk |   C |   180 | 18.3 |        
   18313 |        MASTER-Tunka |   C |   180 | 16.7 |        
   18577 |   MASTER-Kislovodsk |   C |   180 | 18.7 |        
   19834 |         MASTER-SAAO |   C |   180 | 18.0 |        
   19952 |        MASTER-Tunka |   C |   180 | 14.6 |        
   20034 |         MASTER-SAAO |   C |   180 | 18.5 |        
   20090 |   MASTER-Kislovodsk |   C |   180 | 18.7 |        
   20233 |         MASTER-SAAO |   C |   180 | 18.9 |        
   20435 |         MASTER-SAAO |   C |   180 | 19.1 |        
   20634 |         MASTER-SAAO |   C |   180 | 19.4 |        
   21215 |        MASTER-Tunka |   C |   180 | 14.5 |        
   21324 |   MASTER-Kislovodsk |   C |   180 | 18.4 |        
   21891 |         MASTER-SAAO |   C |   180 | 19.7 |        
   22468 |        MASTER-Tunka |   C |   180 | 14.4 |        
   22542 |   MASTER-Kislovodsk |   C |   180 | 18.4 |        
   23141 |         MASTER-SAAO |   C |   180 | 19.7 |        
   23723 |        MASTER-Tunka |   C |   180 | 16.4 |        
   23751 |   MASTER-Kislovodsk |   C |   180 | 18.4 |        
   24409 |         MASTER-SAAO |   C |   180 | 19.4 |        
   25005 |   MASTER-Kislovodsk |   C |   180 | 18.1 |        
   26132 |         MASTER-SAAO |   C |   180 | 19.3 |        
   27215 |   MASTER-Kislovodsk |   C |   180 | 18.0 |        
   27372 |         MASTER-SAAO |   C |   180 | 19.5 |        
   28429 |   MASTER-Kislovodsk |   C |   180 | 17.8 |        
   28657 |         MASTER-SAAO |   C |   180 | 19.2 |        
   29662 |   MASTER-Kislovodsk |   C |   180 | 17.5 |        
   29866 |         MASTER-SAAO |   C |   180 | 18.8 |        
   31061 |   MASTER-Kislovodsk |   C |   180 | 16.8 |        
   31089 |         MASTER-SAAO |   C |   180 | 18.0 |        
   32336 |         MASTER-SAAO |   C |   180 | 17.5 |        
   32465 |   MASTER-Kislovodsk |   C |   180 | 16.7 |        
   33696 |         MASTER-SAAO |   C |   180 | 18.1 |        
   33701 |   MASTER-Kislovodsk |   C |   180 | 17.5 |        
   34934 |         MASTER-SAAO |   C |   180 | 17.4 |        
   41380 |         MASTER-OAFA |   C |    60 | 15.3 |        
   42257 |         MASTER-OAFA |   C |    60 | 13.8 |        
   42475 |         MASTER-OAFA |   C |    60 | 15.2 |        
   42540 |         MASTER-OAFA |   C |    60 | 18.8 |        
   42600 |         MASTER-OAFA |   C |   180 | 19.3 |  Coadd 
   42606 |         MASTER-OAFA |   C |    60 | 17.8 |        
   43037 |         MASTER-OAFA |   C |    60 | 18.9 |        
Filter C is a clear (unfiltred) band. 


The observation and reduction will continue. 
The message may be cited.



#######################################################################################
#######################################################################################

  ID = 11876
TYPE = 35
DAYS = 0.1


MASTER-Tunka robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Applied Physics Institute, Irkutsk State University) was pointed to the SWIFT GRB 250101A ( K. L. Page et al., GCN 38752) errorbox  35 sec after notice time and 86 sec after trigger time at 2025-01-01 13:24:16 UT, with upper limit up to  21.3 mag. The observations began at zenith distance = 32 deg. The sun  altitude  is -38.6 deg. 

MASTER-Kislovodsk robotic telescope  located in Russia (Lomonosov MSU, Kislovodsk Solar Station of Pulkovo observatory) was pointed to the SWIFT GRB 250101A errorbox  7328 sec after notice time and 7379 sec after trigger time at 2025-01-01 15:25:49 UT, with upper limit up to  19.8 mag. The observations began at zenith distance = 30 deg. The sun  altitude  is -17.5 deg. 

The galactic latitude b = -38 deg., longitude l = 153 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2730214

We obtain a following upper limits.  

Tmid-T0  |          Site       |Filt.| Expt. | Limit| Comment
_________|_____________________|_____|_______|______|________

      96 |        MASTER-Tunka |   C |    20 | 19.8 |        
     121 |        MASTER-Tunka |   C |    70 | 20.5 |  Coadd 
     491 |        MASTER-Tunka |   C |   810 | 21.3 |  Coadd 
     120 |        MASTER-Tunka |   C |    20 | 19.9 |        
     148 |        MASTER-Tunka |   C |    30 | 20.1 |        
     182 |        MASTER-Tunka |   C |    30 | 20.1 |        
     227 |        MASTER-Tunka |   C |   120 | 20.7 |  Coadd 
     220 |        MASTER-Tunka |   C |    40 | 20.2 |        
     269 |        MASTER-Tunka |   C |    50 | 20.2 |        
     327 |        MASTER-Tunka |   C |    60 | 20.3 |        
     407 |        MASTER-Tunka |   C |   220 | 20.9 |  Coadd 
     396 |        MASTER-Tunka |   C |    70 | 20.4 |        
     480 |        MASTER-Tunka |   C |    90 | 20.4 |        
     583 |        MASTER-Tunka |   C |   110 | 20.4 |        
     728 |        MASTER-Tunka |   C |   400 | 20.9 |  Coadd 
     707 |        MASTER-Tunka |   C |   130 | 20.4 |        
     856 |        MASTER-Tunka |   C |   160 | 20.3 |        
    1029 |        MASTER-Tunka |   C |   180 | 20.1 |        
    1209 |        MASTER-Tunka |   C |   540 | 20.6 |  Coadd 
    1213 |        MASTER-Tunka |   C |   180 | 20.3 |        
    1396 |        MASTER-Tunka |   C |   180 | 20.3 |        
    1580 |        MASTER-Tunka |   C |   180 | 20.2 |        
    1760 |        MASTER-Tunka |   C |   540 | 20.7 |  Coadd 
    1763 |        MASTER-Tunka |   C |   180 | 20.2 |        
    1947 |        MASTER-Tunka |   C |   180 | 20.2 |        
    2131 |        MASTER-Tunka |   C |   180 | 20.2 |        
    2311 |        MASTER-Tunka |   C |   540 | 20.8 |  Coadd 
    2314 |        MASTER-Tunka |   C |   180 | 20.3 |        
    2498 |        MASTER-Tunka |   C |   180 | 20.3 |        
    2681 |        MASTER-Tunka |   C |   180 | 20.2 |        
    2861 |        MASTER-Tunka |   C |   540 | 20.6 |  Coadd 
    2865 |        MASTER-Tunka |   C |   180 | 20.1 |        
    3048 |        MASTER-Tunka |   C |   180 | 20.1 |        
    3232 |        MASTER-Tunka |   C |   180 | 20.1 |        
    3412 |        MASTER-Tunka |   C |   540 | 20.6 |  Coadd 
    3416 |        MASTER-Tunka |   C |   180 | 20.1 |        
    3599 |        MASTER-Tunka |   C |   180 | 20.0 |        
    3783 |        MASTER-Tunka |   C |   180 | 20.1 |        
    3963 |        MASTER-Tunka |   C |   540 | 20.6 |  Coadd 
    3967 |        MASTER-Tunka |   C |   180 | 20.1 |        
    4150 |        MASTER-Tunka |   C |   180 | 20.1 |        
    4334 |        MASTER-Tunka |   C |   180 | 19.9 |        
    4514 |        MASTER-Tunka |   C |   540 | 20.6 |  Coadd 
    4517 |        MASTER-Tunka |   C |   180 | 19.9 |        
    4701 |        MASTER-Tunka |   C |   180 | 19.9 |        
    4885 |        MASTER-Tunka |   C |   180 | 20.1 |        
    5065 |        MASTER-Tunka |   C |   540 | 20.5 |  Coadd 
    5068 |        MASTER-Tunka |   C |   180 | 20.0 |        
    5252 |        MASTER-Tunka |   C |   180 | 19.9 |        
    5435 |        MASTER-Tunka |   C |   180 | 20.1 |        
    5615 |        MASTER-Tunka |   C |   540 | 20.6 |  Coadd 
    5618 |        MASTER-Tunka |   C |   180 | 20.0 |        
    5802 |        MASTER-Tunka |   C |   180 | 20.0 |        
    5985 |        MASTER-Tunka |   C |   180 | 20.0 |        
    6165 |        MASTER-Tunka |   C |   540 | 20.2 |  Coadd 
    6169 |        MASTER-Tunka |   C |   180 | 19.9 |        
    6352 |        MASTER-Tunka |   C |   180 | 19.3 |        
    6536 |        MASTER-Tunka |   C |   180 | 19.0 |        
    6716 |        MASTER-Tunka |   C |   540 | 19.3 |  Coadd 
    6720 |        MASTER-Tunka |   C |   180 | 18.1 |        
    6903 |        MASTER-Tunka |   C |   180 | 18.5 |        
    7179 |        MASTER-Tunka |   C |   180 | 18.5 |        
    7359 |        MASTER-Tunka |   C |   540 | 19.4 |  Coadd 
    7370 |        MASTER-Tunka |   C |   180 | 18.6 |        
    7469 |   MASTER-Kislovodsk |   C |   180 | 19.1 |        
    7649 |   MASTER-Kislovodsk |   C |   540 | 19.7 |  Coadd 
    7562 |        MASTER-Tunka |   C |   180 | 19.1 |        
    7669 |   MASTER-Kislovodsk |   C |   180 | 18.9 |        
    7756 |        MASTER-Tunka |   C |   180 | 18.4 |        
    7936 |        MASTER-Tunka |   C |   540 | 18.8 |  Coadd 
    7868 |   MASTER-Kislovodsk |   C |   180 | 19.0 |        
    7948 |        MASTER-Tunka |   C |   180 | 17.6 |        
    8079 |   MASTER-Kislovodsk |   C |   180 | 19.0 |        
    8259 |   MASTER-Kislovodsk |   C |   540 | 19.8 |  Coadd 
    8140 |        MASTER-Tunka |   C |   180 | 18.3 |        
    8279 |   MASTER-Kislovodsk |   C |   180 | 18.9 |        
    8333 |        MASTER-Tunka |   C |   180 | 18.3 |        
    8513 |        MASTER-Tunka |   C |   540 | 18.3 |  Coadd 
    8479 |   MASTER-Kislovodsk |   C |   180 | 19.0 |        
    8527 |        MASTER-Tunka |   C |   180 | 17.3 |        
    8678 |   MASTER-Kislovodsk |   C |   180 | 19.0 |        
    8858 |   MASTER-Kislovodsk |   C |   540 | 19.8 |  Coadd 
    8719 |        MASTER-Tunka |   C |   180 | 16.8 |        
Filter C is a clear (unfiltred) band. 


The observation and reduction will continue. 
The message may be cited.



#######################################################################################
#######################################################################################

  ID = 11875
TYPE = 35
DAYS = 0


MASTER-Tunka robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Applied Physics Institute, Irkutsk State University) was pointed to the SWIFT GRB250101.56 (trigger No 1278305,02h 28m 14.64s , +19d 09m 14.4s, R=0.05) errorbox  35 sec after notice time and 86 sec after trigger time at 2025-01-01 13:24:16 UT, with upper limit up to  20.7 mag. The observations began at zenith distance = 32 deg. The sun  altitude  is -38.6 deg. 

The galactic latitude b = -38 deg., longitude l = 153 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2730214

We obtain a following upper limits.  

Tmid-T0  |          Site       |Filt.| Expt. | Limit| Comment
_________|_____________________|_____|_______|______|________

      96 |        MASTER-Tunka |   C |    20 | 19.8 |        
     121 |        MASTER-Tunka |   C |    70 | 20.5 |  Coadd 
     120 |        MASTER-Tunka |   C |    20 | 19.9 |        
     148 |        MASTER-Tunka |   C |    30 | 20.1 |        
     182 |        MASTER-Tunka |   C |    30 | 20.1 |        
     227 |        MASTER-Tunka |   C |   120 | 20.7 |  Coadd 
     220 |        MASTER-Tunka |   C |    40 | 20.2 |        
     269 |        MASTER-Tunka |   C |    50 | 20.2 |        
     327 |        MASTER-Tunka |   C |    60 | 20.3 |        
     396 |        MASTER-Tunka |   C |    70 | 20.4 |        
     480 |        MASTER-Tunka |   C |    90 | 20.4 |        
Filter C is a clear (unfiltred) band. 


The observation and reduction will continue. 
The message may be cited.



#######################################################################################
#######################################################################################

  ID = 11874
TYPE = 35
DAYS = 0


MASTER-Tunka robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Applied Physics Institute, Irkutsk State University) was pointed to the SWIFT GRB250101.56 (trigger No 1278305,02h 28m 14.64s , +19d 09m 14.4s, R=0.05) errorbox  35 sec after notice time and 86 sec after trigger time at 2025-01-01 13:24:16 UT, with upper limit up to  20.7 mag. The observations began at zenith distance = 32 deg. The sun  altitude  is -38.6 deg. 

The galactic latitude b = -38 deg., longitude l = 153 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2730214

We obtain a following upper limits.  

Tmid-T0  |          Site       |Filt.| Expt. | Limit| Comment
_________|_____________________|_____|_______|______|________

      96 |        MASTER-Tunka |   C |    20 | 19.8 |        
     121 |        MASTER-Tunka |   C |    70 | 20.5 |  Coadd 
     120 |        MASTER-Tunka |   C |    20 | 19.9 |        
     148 |        MASTER-Tunka |   C |    30 | 20.1 |        
     182 |        MASTER-Tunka |   C |    30 | 20.1 |        
     227 |        MASTER-Tunka |   C |   120 | 20.7 |  Coadd 
     220 |        MASTER-Tunka |   C |    40 | 20.2 |        
     269 |        MASTER-Tunka |   C |    50 | 20.2 |        
     327 |        MASTER-Tunka |   C |    60 | 20.3 |        
     396 |        MASTER-Tunka |   C |    70 | 20.4 |        
     480 |        MASTER-Tunka |   C |    90 | 20.4 |        
Filter C is a clear (unfiltred) band. 


The observation and reduction will continue. 
The message may be cited.



#######################################################################################
#######################################################################################

  ID = 11873
TYPE = 34
DAYS = 0


MASTER-Tunka robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Applied Physics Institute, Irkutsk State University) was pointed to the SWIFT GRB250101.56 (trigger No 1278305,02h 28m 14.64s , +19d 09m 14.4s, R=0.05) errorbox  35 sec after notice time and 86 sec after trigger time at 2025-01-01 13:24:16 UT, with upper limit up to  20.7 mag. The observations began at zenith distance = 32 deg. The sun  altitude  is -38.6 deg. 

The galactic latitude b = -38 deg., longitude l = 153 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2730214

We obtain a following upper limits.  

Tmid-T0  |          Site       |Filt.| Expt. | Limit| Comment
_________|_____________________|_____|_______|______|________

      96 |        MASTER-Tunka |   C |    20 | 19.8 |        
     121 |        MASTER-Tunka |   C |    70 | 20.5 |  Coadd 
     120 |        MASTER-Tunka |   C |    20 | 19.9 |        
     148 |        MASTER-Tunka |   C |    30 | 20.1 |        
     182 |        MASTER-Tunka |   C |    30 | 20.1 |        
     227 |        MASTER-Tunka |   C |   120 | 20.7 |  Coadd 
     220 |        MASTER-Tunka |   C |    40 | 20.2 |        
     269 |        MASTER-Tunka |   C |    50 | 20.2 |        
     327 |        MASTER-Tunka |   C |    60 | 20.3 |        
     396 |        MASTER-Tunka |   C |    70 | 20.4 |        
     480 |        MASTER-Tunka |   C |    90 | 20.4 |        
Filter C is a clear (unfiltred) band. 


The observation and reduction will continue. 
The message may be cited.

MASTER, 2002-2025