MASTER Net MASTER Database: GRB210104.88 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 GRB210104.88
Trignum 1015919
Trigger time 2021-01-04 21:10:10.84
Notice time 2021-01-04 21:11:12.807014
Coord, eb (03h 34m 24.24s , +37d 55m 51.6s) , 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)

All alerts for this trigger
id noticetime coord2000 satel errorbox type trigger seq trig_type links
1518668 2021-01-04 21:24:09.889583 03h 34m 12.96s +37d 55m 48.0s SWIFT 0.000611111 alert 1015919 4 67 alert
1518656 2021-01-04 21:11:12.807014 03h 34m 24.24s +37d 55m 51.6s SWIFT 0.05 alert 1015919 4 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

2021-01-04 21:10:10 (JD 2459219.382060)

Siderial time 6.657013 h

Ra 03:34:24.24 Dec 37:55:51.60
( 53.601000d, 37.931000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: 6.32 Azimuth: 146.63

Sun: Altitude: -20.96 Azimuth: 280.63

Moon: Altitude: 45.32 Azimuth: 17.71

Tunka

Object: Altitude: 17.63 Azimuth: 129.74

Sun: Altitude: -36.25 Azimuth: 260.82

Moon: Altitude: 43.98 Azimuth: 343.37

Kislovodsk

Object: Altitude: 51.48 Azimuth: 99.43

Sun: Altitude: -68.90 Azimuth: 177.63

Moon: Altitude: 17.35 Azimuth: 277.22

Tavrida

Object: Altitude: 57.64 Azimuth: 93.05

Sun: Altitude: -66.62 Azimuth: 157.60

Moon: Altitude: 11.20 Azimuth: 271.41

SAAO

Object: Altitude: 14.53 Azimuth: 156.39

Sun: Altitude: -30.86 Azimuth: 24.44

Moon: Altitude: -7.23 Azimuth: 266.43

IAC

Object: Altitude: 78.34 Azimuth: 212.31

Sun: Altitude: -36.12 Azimuth: 81.44

Moon: Altitude: -31.54 Azimuth: 240.67

Argentina

Object: Altitude: 0.24 Azimuth: 223.46

Sun: Altitude: 30.44 Azimuth: 80.71

Moon: Altitude: -64.73 Azimuth: 10.20

Mexico

Object: Altitude: 10.34 Azimuth: 231.72

Sun: Altitude: 30.72 Azimuth: 28.25

Moon: Altitude: -32.37 Azimuth: 123.15

Ural

Object: Altitude: 42.48 Azimuth: 96.89

Sun: Altitude: -53.68 Azimuth: 205.58

Moon: Altitude: 23.97 Azimuth: 296.44

Vostryakovo

Object: Altitude: 54.55 Azimuth: 80.27

Sun: Altitude: -57.01 Azimuth: 170.41

Moon: Altitude: 12.89 Azimuth: 276.64

Gal. latitude: -14.050832 Gal. longitude: 155.491641

Dist. to Sun: 133.164797

Dist. to Moon: 111.146078

Moon coord.: (177.275683 d, 6.863717 d)

Sun coord.: (285.685607 d, -22.660381 d)

Lunar disk: 0.668823

Lunar phase: 70.266489

Lunar bright limb: 111.665406

No SN in this field

2021-01-04 21:11:12 (JD 2459219.382778)

Siderial time 6.674282 h

Ra 03:34:24.24 Dec 37:55:51.60
( 53.601000d, 37.931000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: 6.23 Azimuth: 146.81

Sun: Altitude: -20.80 Azimuth: 280.81

Moon: Altitude: 45.27 Azimuth: 18.06

Tunka

Object: Altitude: 17.50 Azimuth: 129.91

Sun: Altitude: -36.10 Azimuth: 261.04

Moon: Altitude: 44.02 Azimuth: 343.71

Kislovodsk

Object: Altitude: 51.30 Azimuth: 99.57

Sun: Altitude: -68.91 Azimuth: 178.29

Moon: Altitude: 17.52 Azimuth: 277.40

Tavrida

Object: Altitude: 57.46 Azimuth: 93.21

Sun: Altitude: -66.68 Azimuth: 158.18

Moon: Altitude: 11.37 Azimuth: 271.59

SAAO

Object: Altitude: 14.44 Azimuth: 156.20

Sun: Altitude: -30.95 Azimuth: 24.18

Moon: Altitude: -7.02 Azimuth: 266.30

IAC

Object: Altitude: 78.46 Azimuth: 211.49

Sun: Altitude: -36.34 Azimuth: 81.54

Moon: Altitude: -31.35 Azimuth: 240.86

Argentina

Object: Altitude: 0.39 Azimuth: 223.32

Sun: Altitude: 30.22 Azimuth: 80.60

Moon: Altitude: -64.76 Azimuth: 9.62

Mexico

Object: Altitude: 10.51 Azimuth: 231.83

Sun: Altitude: 30.61 Azimuth: 28.50

Moon: Altitude: -32.55 Azimuth: 123.35

Ural

Object: Altitude: 42.34 Azimuth: 97.09

Sun: Altitude: -53.61 Azimuth: 205.97

Moon: Altitude: 24.09 Azimuth: 296.68

Vostryakovo

Object: Altitude: 54.41 Azimuth: 80.52

Sun: Altitude: -57.03 Azimuth: 170.85

Moon: Altitude: 13.02 Azimuth: 276.85

Gal. latitude: -14.050832 Gal. longitude: 155.491641

Dist. to Sun: 133.164136

Dist. to Moon: 111.155302

Moon coord.: (177.284790 d, 6.859691 d)

Sun coord.: (285.686395 d, -22.660302 d)

Lunar disk: 0.668748

Lunar phase: 70.275642

Lunar bright limb: 111.666553

No SN in this field

2021-01-04 22:11:12 (JD 2459219.424444)

Siderial time 7.677020 h

Ra 03:34:24.24 Dec 37:55:51.60
( 53.601000d, 37.931000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: 1.77 Azimuth: 157.82

Sun: Altitude: -11.62 Azimuth: 291.60

Moon: Altitude: 40.76 Azimuth: 36.84

Tunka

Object: Altitude: 10.93 Azimuth: 140.09

Sun: Altitude: -26.85 Azimuth: 273.14

Moon: Altitude: 44.76 Azimuth: 3.90

Kislovodsk

Object: Altitude: 40.74 Azimuth: 107.37

Sun: Altitude: -65.82 Azimuth: 213.89

Moon: Altitude: 27.56 Azimuth: 288.62

Tavrida

Object: Altitude: 46.88 Azimuth: 102.00

Sun: Altitude: -67.42 Azimuth: 194.11

Moon: Altitude: 21.43 Azimuth: 282.37

SAAO

Object: Altitude: 8.27 Azimuth: 145.87

Sun: Altitude: -34.51 Azimuth: 8.28

Moon: Altitude: 5.25 Azimuth: 258.72

IAC

Object: Altitude: 78.54 Azimuth: 149.12

Sun: Altitude: -49.47 Azimuth: 87.51

Moon: Altitude: -19.84 Azimuth: 250.51

Argentina

Object: Altitude: 8.44 Azimuth: 214.59

Sun: Altitude: 17.80 Azimuth: 73.92

Moon: Altitude: -63.02 Azimuth: 336.73

Mexico

Object: Altitude: 21.04 Azimuth: 237.51

Sun: Altitude: 23.21 Azimuth: 41.63

Moon: Altitude: -42.26 Azimuth: 136.81

Ural

Object: Altitude: 34.37 Azimuth: 108.31

Sun: Altitude: -48.77 Azimuth: 226.75

Moon: Altitude: 30.42 Azimuth: 311.26

Vostryakovo

Object: Altitude: 45.89 Azimuth: 93.45

Sun: Altitude: -56.50 Azimuth: 196.22

Moon: Altitude: 20.84 Azimuth: 289.52

Gal. latitude: -14.050832 Gal. longitude: 155.491641

Dist. to Sun: 133.125730

Dist. to Moon: 111.690851

Moon coord.: (177.813446 d, 6.625555 d)

Sun coord.: (285.732145 d, -22.655728 d)

Lunar disk: 0.664373

Lunar phase: 70.807321

Lunar bright limb: 111.731963

No SN in this field

2025-04-27 06:12:32 (JD 2460792.758704)

Siderial time 23.082761 h

Ra 03:34:24.24 Dec 37:55:51.60
( 53.601000d, 37.931000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: 69.78 Azimuth: 60.86

Sun: Altitude: 40.38 Azimuth: 57.73

Moon: Altitude: 35.40 Azimuth: 66.33

Tunka

Object: Altitude: 76.06 Azimuth: 353.73

Sun: Altitude: 49.59 Azimuth: 26.19

Moon: Altitude: 46.64 Azimuth: 38.00

Kislovodsk

Object: Altitude: 43.52 Azimuth: 254.66

Sun: Altitude: 42.44 Azimuth: 295.29

Moon: Altitude: 47.77 Azimuth: 304.52

Tavrida

Object: Altitude: 37.98 Azimuth: 251.08

Sun: Altitude: 36.42 Azimuth: 288.24

Moon: Altitude: 42.02 Azimuth: 296.34

SAAO

Object: Altitude: -15.16 Azimuth: 234.39

Sun: Altitude: 12.54 Azimuth: 244.48

Moon: Altitude: 19.05 Azimuth: 238.95

IAC

Object: Altitude: -4.09 Azimuth: 222.40

Sun: Altitude: -4.07 Azimuth: 251.92

Moon: Altitude: 3.20 Azimuth: 256.15

Argentina

Object: Altitude: -82.30 Azimuth: 215.73

Sun: Altitude: -61.09 Azimuth: 302.78

Moon: Altitude: -54.50 Azimuth: 292.92

Mexico

Object: Altitude: -13.53 Azimuth: 152.00

Sun: Altitude: -42.47 Azimuth: 158.30

Moon: Altitude: -44.65 Azimuth: 169.51

Ural

Object: Altitude: 54.78 Azimuth: 283.02

Sun: Altitude: 42.35 Azimuth: 324.27

Moon: Altitude: 44.61 Azimuth: 335.44

Vostryakovo

Object: Altitude: 42.82 Azimuth: 262.37

Sun: Altitude: 34.39 Azimuth: 298.82

Moon: Altitude: 38.39 Azimuth: 308.01

Gal. latitude: -14.050832 Gal. longitude: 155.491641

Dist. to Sun: 29.446153

Dist. to Moon: 34.506449

Moon coord.: (25.898307 d, 13.700677 d)

Sun coord.: (34.552887 d, 13.820039 d)

Lunar disk: 0.005406

Lunar phase: 171.566762

Lunar bright limb: 88.107251

No SN in this field
Recent coverage and limits telegrams

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

  ID = 3648
TYPE = 35
DAYS = 1


MASTER-Tavrida robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Lomonosov MSU, SAI Crimea astronomical station) was pointed to the SWIFT GRB 210104B ( S. Laha et al., GCN 29243) errorbox  5 sec after notice time and 59 sec after trigger time at 2021-01-04 21:11:10 UT, with upper limit up to  19.2 mag. The observations began at zenith distance = 33 deg. The sun  altitude  is -67.4 deg. 

The galactic latitude b = -14 deg., longitude l = 155 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1518656

We obtain a following upper limits.  

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

      65 |      MASTER-Tavrida |   C |    10 | 14.6 |        
      85 |      MASTER-Tavrida |   C |    50 | 15.4 |  Coadd 
     350 |      MASTER-Tavrida |   C |   580 | 17.0 |  Coadd 
      65 |      MASTER-Tavrida |   C |    10 | 14.9 |        
      85 |      MASTER-Tavrida |   C |    50 | 15.7 |  Coadd 
     350 |      MASTER-Tavrida |   C |   580 | 17.3 |  Coadd 
      99 |      MASTER-Tavrida |   C |    20 | 14.9 |        
      99 |      MASTER-Tavrida |   C |    20 | 15.1 |        
     139 |      MASTER-Tavrida |   C |    20 | 14.9 |        
     139 |      MASTER-Tavrida |   C |    20 | 15.2 |        
     184 |      MASTER-Tavrida |   C |    30 | 15.2 |        
     229 |      MASTER-Tavrida |   C |   120 | 15.9 |  Coadd 
     184 |      MASTER-Tavrida |   C |    30 | 15.4 |        
     229 |      MASTER-Tavrida |   C |   120 | 16.1 |  Coadd 
     238 |      MASTER-Tavrida |   C |    40 | 15.3 |        
     238 |      MASTER-Tavrida |   C |    40 | 15.5 |        
     303 |      MASTER-Tavrida |   C |    50 | 15.3 |        
     303 |      MASTER-Tavrida |   C |    50 | 15.2 |        
     382 |      MASTER-Tavrida |   C |    70 | 14.5 |        
     477 |      MASTER-Tavrida |   C |   260 | 15.6 |  Coadd 
     382 |      MASTER-Tavrida |   C |    70 | 14.6 |        
     477 |      MASTER-Tavrida |   C |   260 | 15.6 |  Coadd 
     476 |      MASTER-Tavrida |   C |    80 | 14.5 |        
     476 |      MASTER-Tavrida |   C |    80 | 14.5 |        
     591 |      MASTER-Tavrida |   C |   110 | 15.7 |        
     591 |      MASTER-Tavrida |   C |   110 | 15.5 |        
     913 |      MASTER-Tavrida |   C |   150 | 17.3 |        
    1093 |      MASTER-Tavrida |   C |   510 | 17.2 |  Coadd 
     913 |      MASTER-Tavrida |   C |   150 | 17.2 |        
    1093 |      MASTER-Tavrida |   C |   510 | 17.2 |  Coadd 
    1097 |      MASTER-Tavrida |   C |   180 | 16.6 |        
    1907 |      MASTER-Tavrida |   C |  1800 | 18.2 |  Coadd 
    1097 |      MASTER-Tavrida |   C |   180 | 16.6 |        
    1297 |      MASTER-Tavrida |   C |   180 | 15.0 |        
    1297 |      MASTER-Tavrida |   C |   180 | 14.9 |        
    1496 |      MASTER-Tavrida |   C |   180 | 15.2 |        
    1676 |      MASTER-Tavrida |   C |   540 | 16.5 |  Coadd 
    1496 |      MASTER-Tavrida |   C |   180 | 15.1 |        
    1696 |      MASTER-Tavrida |   C |   180 | 15.3 |        
    1696 |      MASTER-Tavrida |   C |   180 | 15.2 |        
    1895 |      MASTER-Tavrida |   C |   180 | 16.6 |        
    1895 |      MASTER-Tavrida |   C |   180 | 16.5 |        
    2095 |      MASTER-Tavrida |   C |   180 | 17.1 |        
    2275 |      MASTER-Tavrida |   C |   540 | 18.4 |  Coadd 
    2095 |      MASTER-Tavrida |   C |   180 | 17.0 |        
    2294 |      MASTER-Tavrida |   C |   180 | 18.0 |        
    2294 |      MASTER-Tavrida |   C |   180 | 17.9 |        
    2494 |      MASTER-Tavrida |   C |   180 | 18.0 |        
    2494 |      MASTER-Tavrida |   C |   180 | 17.9 |        
    2693 |      MASTER-Tavrida |   C |   180 | 18.0 |        
    2873 |      MASTER-Tavrida |   C |   540 | 18.8 |  Coadd 
    2693 |      MASTER-Tavrida |   C |   180 | 17.9 |        
    2893 |      MASTER-Tavrida |   C |   180 | 18.0 |        
    2893 |      MASTER-Tavrida |   C |   180 | 17.9 |        
    3092 |      MASTER-Tavrida |   C |   180 | 18.2 |        
    3902 |      MASTER-Tavrida |   C |  1800 | 19.2 |  Coadd 
    3092 |      MASTER-Tavrida |   C |   180 | 18.1 |        
    3291 |      MASTER-Tavrida |   C |   180 | 18.3 |        
    3471 |      MASTER-Tavrida |   C |   540 | 18.9 |  Coadd 
    3291 |      MASTER-Tavrida |   C |   180 | 18.2 |        
    3491 |      MASTER-Tavrida |   C |   180 | 18.3 |        
    3491 |      MASTER-Tavrida |   C |   180 | 18.2 |        
    3690 |      MASTER-Tavrida |   C |   180 | 18.5 |        
    3690 |      MASTER-Tavrida |   C |   180 | 18.4 |        
    3889 |      MASTER-Tavrida |   C |   180 | 18.4 |        
    4069 |      MASTER-Tavrida |   C |   540 | 18.7 |  Coadd 
    3889 |      MASTER-Tavrida |   C |   180 | 18.3 |        
    4089 |      MASTER-Tavrida |   C |   180 | 18.0 |        
    4089 |      MASTER-Tavrida |   C |   180 | 17.9 |        
    4289 |      MASTER-Tavrida |   C |   180 | 17.8 |        
    4289 |      MASTER-Tavrida |   C |   180 | 17.7 |        
    4488 |      MASTER-Tavrida |   C |   180 | 17.9 |        
    4668 |      MASTER-Tavrida |   C |   540 | 18.3 |  Coadd 
    4488 |      MASTER-Tavrida |   C |   180 | 17.8 |        
    4688 |      MASTER-Tavrida |   C |   180 | 17.8 |        
    4688 |      MASTER-Tavrida |   C |   180 | 17.7 |        
    4887 |      MASTER-Tavrida |   C |   180 | 17.7 |        
    4887 |      MASTER-Tavrida |   C |   180 | 17.6 |        
    5087 |      MASTER-Tavrida |   C |   180 | 17.5 |        
    5267 |      MASTER-Tavrida |   C |   540 | 18.4 |  Coadd 
    5087 |      MASTER-Tavrida |   C |   180 | 17.4 |        
    5522 |      MASTER-Tavrida |   C |   180 | 18.0 |        
    5522 |      MASTER-Tavrida |   C |   180 | 17.9 |        
    5722 |      MASTER-Tavrida |   C |   180 | 18.0 |        
    5722 |      MASTER-Tavrida |   C |   180 | 17.8 |        
    5921 |      MASTER-Tavrida |   C |   180 | 16.7 |        
    6134 |      MASTER-Tavrida |   C |   180 | 17.5 |        
    6314 |      MASTER-Tavrida |   C |   540 | 17.5 |  Coadd 
    6134 |      MASTER-Tavrida |   C |   180 | 17.2 |        
    6333 |      MASTER-Tavrida |   C |   180 | 16.6 |        
    6333 |      MASTER-Tavrida |   C |   180 | 16.4 |        
    6513 |      MASTER-Tavrida |   C |   540 | 17.0 |  Coadd 
    6532 |      MASTER-Tavrida |   C |   180 | 16.4 |        
    6532 |      MASTER-Tavrida |   C |   180 | 16.2 |        
    6732 |      MASTER-Tavrida |   C |   180 | 16.3 |        
    6732 |      MASTER-Tavrida |   C |   180 | 16.1 |        
    6932 |      MASTER-Tavrida |   C |   180 | 16.9 |        
    6932 |      MASTER-Tavrida |   C |   180 | 16.6 |        
   82776 |      MASTER-Tavrida |   C |   180 | 15.9 |        
   82776 |      MASTER-Tavrida |   C |   180 | 16.1 |        
   85086 |      MASTER-Tavrida |   C |   180 | 14.5 |        
   85086 |      MASTER-Tavrida |   C |   180 | 14.8 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 3643
TYPE = 35
DAYS = 0.5


MASTER-Tavrida robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Lomonosov MSU, SAI Crimea astronomical station) was pointed to the SWIFT GRB 210104B ( S. Laha et al., GCN 29243) errorbox  5 sec after notice time and 59 sec after trigger time at 2021-01-04 21:11:10 UT, with upper limit up to  19.2 mag. The observations began at zenith distance = 33 deg. The sun  altitude  is -67.4 deg. 

The galactic latitude b = -14 deg., longitude l = 155 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1518650

We obtain a following upper limits.  

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

      65 |      MASTER-Tavrida |   C |    10 | 14.6 |        
      85 |      MASTER-Tavrida |   C |    50 | 15.4 |  Coadd 
     350 |      MASTER-Tavrida |   C |   580 | 17.0 |  Coadd 
      65 |      MASTER-Tavrida |   C |    10 | 14.9 |        
      85 |      MASTER-Tavrida |   C |    50 | 15.7 |  Coadd 
     350 |      MASTER-Tavrida |   C |   580 | 17.3 |  Coadd 
      99 |      MASTER-Tavrida |   C |    20 | 14.9 |        
      99 |      MASTER-Tavrida |   C |    20 | 15.1 |        
     139 |      MASTER-Tavrida |   C |    20 | 14.9 |        
     139 |      MASTER-Tavrida |   C |    20 | 15.2 |        
     184 |      MASTER-Tavrida |   C |    30 | 15.2 |        
     229 |      MASTER-Tavrida |   C |   120 | 15.9 |  Coadd 
     184 |      MASTER-Tavrida |   C |    30 | 15.4 |        
     229 |      MASTER-Tavrida |   C |   120 | 16.1 |  Coadd 
     238 |      MASTER-Tavrida |   C |    40 | 15.3 |        
     238 |      MASTER-Tavrida |   C |    40 | 15.5 |        
     303 |      MASTER-Tavrida |   C |    50 | 15.3 |        
     303 |      MASTER-Tavrida |   C |    50 | 15.2 |        
     382 |      MASTER-Tavrida |   C |    70 | 14.5 |        
     477 |      MASTER-Tavrida |   C |   260 | 15.6 |  Coadd 
     382 |      MASTER-Tavrida |   C |    70 | 14.6 |        
     477 |      MASTER-Tavrida |   C |   260 | 15.6 |  Coadd 
     476 |      MASTER-Tavrida |   C |    80 | 14.5 |        
     476 |      MASTER-Tavrida |   C |    80 | 14.5 |        
     591 |      MASTER-Tavrida |   C |   110 | 15.7 |        
     591 |      MASTER-Tavrida |   C |   110 | 15.5 |        
     913 |      MASTER-Tavrida |   C |   150 | 17.3 |        
    1093 |      MASTER-Tavrida |   C |   510 | 17.2 |  Coadd 
     913 |      MASTER-Tavrida |   C |   150 | 17.2 |        
    1093 |      MASTER-Tavrida |   C |   510 | 17.2 |  Coadd 
    1097 |      MASTER-Tavrida |   C |   180 | 16.6 |        
    1907 |      MASTER-Tavrida |   C |  1800 | 18.2 |  Coadd 
    1097 |      MASTER-Tavrida |   C |   180 | 16.6 |        
    1297 |      MASTER-Tavrida |   C |   180 | 15.0 |        
    1297 |      MASTER-Tavrida |   C |   180 | 14.9 |        
    1496 |      MASTER-Tavrida |   C |   180 | 15.2 |        
    1676 |      MASTER-Tavrida |   C |   540 | 16.5 |  Coadd 
    1496 |      MASTER-Tavrida |   C |   180 | 15.1 |        
    1696 |      MASTER-Tavrida |   C |   180 | 15.3 |        
    1696 |      MASTER-Tavrida |   C |   180 | 15.2 |        
    1895 |      MASTER-Tavrida |   C |   180 | 16.6 |        
    1895 |      MASTER-Tavrida |   C |   180 | 16.5 |        
    2095 |      MASTER-Tavrida |   C |   180 | 17.1 |        
    2275 |      MASTER-Tavrida |   C |   540 | 18.4 |  Coadd 
    2095 |      MASTER-Tavrida |   C |   180 | 17.0 |        
    2294 |      MASTER-Tavrida |   C |   180 | 18.0 |        
    2294 |      MASTER-Tavrida |   C |   180 | 17.9 |        
    2494 |      MASTER-Tavrida |   C |   180 | 18.0 |        
    2494 |      MASTER-Tavrida |   C |   180 | 17.9 |        
    2693 |      MASTER-Tavrida |   C |   180 | 18.0 |        
    2873 |      MASTER-Tavrida |   C |   540 | 18.8 |  Coadd 
    2693 |      MASTER-Tavrida |   C |   180 | 17.9 |        
    2893 |      MASTER-Tavrida |   C |   180 | 18.0 |        
    2893 |      MASTER-Tavrida |   C |   180 | 17.9 |        
    3092 |      MASTER-Tavrida |   C |   180 | 18.2 |        
    3902 |      MASTER-Tavrida |   C |  1800 | 19.2 |  Coadd 
    3092 |      MASTER-Tavrida |   C |   180 | 18.1 |        
    3291 |      MASTER-Tavrida |   C |   180 | 18.3 |        
    3471 |      MASTER-Tavrida |   C |   540 | 18.9 |  Coadd 
    3291 |      MASTER-Tavrida |   C |   180 | 18.2 |        
    3491 |      MASTER-Tavrida |   C |   180 | 18.3 |        
    3491 |      MASTER-Tavrida |   C |   180 | 18.2 |        
    3690 |      MASTER-Tavrida |   C |   180 | 18.5 |        
    3690 |      MASTER-Tavrida |   C |   180 | 18.4 |        
    3889 |      MASTER-Tavrida |   C |   180 | 18.4 |        
    4069 |      MASTER-Tavrida |   C |   540 | 18.7 |  Coadd 
    3889 |      MASTER-Tavrida |   C |   180 | 18.3 |        
    4089 |      MASTER-Tavrida |   C |   180 | 18.0 |        
    4089 |      MASTER-Tavrida |   C |   180 | 17.9 |        
    4289 |      MASTER-Tavrida |   C |   180 | 17.8 |        
    4289 |      MASTER-Tavrida |   C |   180 | 17.7 |        
    4488 |      MASTER-Tavrida |   C |   180 | 17.9 |        
    4668 |      MASTER-Tavrida |   C |   540 | 18.3 |  Coadd 
    4488 |      MASTER-Tavrida |   C |   180 | 17.8 |        
    4688 |      MASTER-Tavrida |   C |   180 | 17.8 |        
    4688 |      MASTER-Tavrida |   C |   180 | 17.7 |        
    4887 |      MASTER-Tavrida |   C |   180 | 17.7 |        
    4887 |      MASTER-Tavrida |   C |   180 | 17.6 |        
    5087 |      MASTER-Tavrida |   C |   180 | 17.5 |        
    5267 |      MASTER-Tavrida |   C |   540 | 18.4 |  Coadd 
    5087 |      MASTER-Tavrida |   C |   180 | 17.4 |        
    5522 |      MASTER-Tavrida |   C |   180 | 18.0 |        
    5522 |      MASTER-Tavrida |   C |   180 | 17.9 |        
    5722 |      MASTER-Tavrida |   C |   180 | 18.0 |        
    5722 |      MASTER-Tavrida |   C |   180 | 17.8 |        
    5921 |      MASTER-Tavrida |   C |   180 | 16.7 |        
    6134 |      MASTER-Tavrida |   C |   180 | 17.5 |        
    6314 |      MASTER-Tavrida |   C |   540 | 17.5 |  Coadd 
    6134 |      MASTER-Tavrida |   C |   180 | 17.2 |        
    6333 |      MASTER-Tavrida |   C |   180 | 16.6 |        
    6333 |      MASTER-Tavrida |   C |   180 | 16.4 |        
    6513 |      MASTER-Tavrida |   C |   540 | 17.0 |  Coadd 
    6532 |      MASTER-Tavrida |   C |   180 | 16.4 |        
    6532 |      MASTER-Tavrida |   C |   180 | 16.2 |        
    6732 |      MASTER-Tavrida |   C |   180 | 16.3 |        
    6732 |      MASTER-Tavrida |   C |   180 | 16.1 |        
    6932 |      MASTER-Tavrida |   C |   180 | 16.9 |        
    6932 |      MASTER-Tavrida |   C |   180 | 16.6 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 3642
TYPE = 35
DAYS = 0.1


MASTER-Tavrida robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Lomonosov MSU, SAI Crimea astronomical station) was pointed to the SWIFT GRB 210104B ( S. Laha et al., GCN 29243) errorbox  5 sec after notice time and 59 sec after trigger time at 2021-01-04 21:11:10 UT, with upper limit up to  19.2 mag. The observations began at zenith distance = 33 deg. The sun  altitude  is -67.4 deg. 

The galactic latitude b = -14 deg., longitude l = 155 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1518650

We obtain a following upper limits.  

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

      65 |      MASTER-Tavrida |   C |    10 | 14.6 |        
      85 |      MASTER-Tavrida |   C |    50 | 15.4 |  Coadd 
     350 |      MASTER-Tavrida |   C |   580 | 17.0 |  Coadd 
      65 |      MASTER-Tavrida |   C |    10 | 14.9 |        
      85 |      MASTER-Tavrida |   C |    50 | 15.7 |  Coadd 
     350 |      MASTER-Tavrida |   C |   580 | 17.3 |  Coadd 
      99 |      MASTER-Tavrida |   C |    20 | 14.9 |        
      99 |      MASTER-Tavrida |   C |    20 | 15.1 |        
     139 |      MASTER-Tavrida |   C |    20 | 14.9 |        
     139 |      MASTER-Tavrida |   C |    20 | 15.2 |        
     184 |      MASTER-Tavrida |   C |    30 | 15.2 |        
     229 |      MASTER-Tavrida |   C |   120 | 15.9 |  Coadd 
     184 |      MASTER-Tavrida |   C |    30 | 15.4 |        
     229 |      MASTER-Tavrida |   C |   120 | 16.1 |  Coadd 
     238 |      MASTER-Tavrida |   C |    40 | 15.3 |        
     238 |      MASTER-Tavrida |   C |    40 | 15.5 |        
     303 |      MASTER-Tavrida |   C |    50 | 15.3 |        
     303 |      MASTER-Tavrida |   C |    50 | 15.2 |        
     382 |      MASTER-Tavrida |   C |    70 | 14.5 |        
     477 |      MASTER-Tavrida |   C |   260 | 15.6 |  Coadd 
     382 |      MASTER-Tavrida |   C |    70 | 14.6 |        
     477 |      MASTER-Tavrida |   C |   260 | 15.6 |  Coadd 
     476 |      MASTER-Tavrida |   C |    80 | 14.5 |        
     476 |      MASTER-Tavrida |   C |    80 | 14.5 |        
     591 |      MASTER-Tavrida |   C |   110 | 15.7 |        
     591 |      MASTER-Tavrida |   C |   110 | 15.5 |        
     913 |      MASTER-Tavrida |   C |   150 | 17.3 |        
    1093 |      MASTER-Tavrida |   C |   510 | 17.2 |  Coadd 
     913 |      MASTER-Tavrida |   C |   150 | 17.2 |        
    1093 |      MASTER-Tavrida |   C |   510 | 17.2 |  Coadd 
    1097 |      MASTER-Tavrida |   C |   180 | 16.6 |        
    1907 |      MASTER-Tavrida |   C |  1800 | 18.2 |  Coadd 
    1097 |      MASTER-Tavrida |   C |   180 | 16.6 |        
    1297 |      MASTER-Tavrida |   C |   180 | 15.0 |        
    1297 |      MASTER-Tavrida |   C |   180 | 14.9 |        
    1496 |      MASTER-Tavrida |   C |   180 | 15.2 |        
    1676 |      MASTER-Tavrida |   C |   540 | 16.5 |  Coadd 
    1496 |      MASTER-Tavrida |   C |   180 | 15.1 |        
    1696 |      MASTER-Tavrida |   C |   180 | 15.3 |        
    1696 |      MASTER-Tavrida |   C |   180 | 15.2 |        
    1895 |      MASTER-Tavrida |   C |   180 | 16.6 |        
    1895 |      MASTER-Tavrida |   C |   180 | 16.5 |        
    2095 |      MASTER-Tavrida |   C |   180 | 17.1 |        
    2275 |      MASTER-Tavrida |   C |   540 | 18.4 |  Coadd 
    2095 |      MASTER-Tavrida |   C |   180 | 17.0 |        
    2294 |      MASTER-Tavrida |   C |   180 | 18.0 |        
    2294 |      MASTER-Tavrida |   C |   180 | 17.9 |        
    2494 |      MASTER-Tavrida |   C |   180 | 18.0 |        
    2494 |      MASTER-Tavrida |   C |   180 | 17.9 |        
    2693 |      MASTER-Tavrida |   C |   180 | 18.0 |        
    2873 |      MASTER-Tavrida |   C |   540 | 18.8 |  Coadd 
    2693 |      MASTER-Tavrida |   C |   180 | 17.9 |        
    2893 |      MASTER-Tavrida |   C |   180 | 18.0 |        
    2893 |      MASTER-Tavrida |   C |   180 | 17.9 |        
    3092 |      MASTER-Tavrida |   C |   180 | 18.2 |        
    3902 |      MASTER-Tavrida |   C |  1800 | 19.2 |  Coadd 
    3092 |      MASTER-Tavrida |   C |   180 | 18.1 |        
    3291 |      MASTER-Tavrida |   C |   180 | 18.3 |        
    3471 |      MASTER-Tavrida |   C |   540 | 18.9 |  Coadd 
    3291 |      MASTER-Tavrida |   C |   180 | 18.2 |        
    3491 |      MASTER-Tavrida |   C |   180 | 18.3 |        
    3491 |      MASTER-Tavrida |   C |   180 | 18.2 |        
    3690 |      MASTER-Tavrida |   C |   180 | 18.5 |        
    3690 |      MASTER-Tavrida |   C |   180 | 18.4 |        
    3889 |      MASTER-Tavrida |   C |   180 | 18.4 |        
    4069 |      MASTER-Tavrida |   C |   540 | 18.7 |  Coadd 
    3889 |      MASTER-Tavrida |   C |   180 | 18.3 |        
    4089 |      MASTER-Tavrida |   C |   180 | 18.0 |        
    4089 |      MASTER-Tavrida |   C |   180 | 17.9 |        
    4289 |      MASTER-Tavrida |   C |   180 | 17.8 |        
    4289 |      MASTER-Tavrida |   C |   180 | 17.7 |        
    4488 |      MASTER-Tavrida |   C |   180 | 17.9 |        
    4668 |      MASTER-Tavrida |   C |   540 | 18.3 |  Coadd 
    4488 |      MASTER-Tavrida |   C |   180 | 17.8 |        
    4688 |      MASTER-Tavrida |   C |   180 | 17.8 |        
    4688 |      MASTER-Tavrida |   C |   180 | 17.7 |        
    4887 |      MASTER-Tavrida |   C |   180 | 17.7 |        
    4887 |      MASTER-Tavrida |   C |   180 | 17.6 |        
    5087 |      MASTER-Tavrida |   C |   180 | 17.5 |        
    5267 |      MASTER-Tavrida |   C |   540 | 18.4 |  Coadd 
    5087 |      MASTER-Tavrida |   C |   180 | 17.4 |        
    5522 |      MASTER-Tavrida |   C |   180 | 18.0 |        
    5522 |      MASTER-Tavrida |   C |   180 | 17.9 |        
    5722 |      MASTER-Tavrida |   C |   180 | 18.0 |        
    5722 |      MASTER-Tavrida |   C |   180 | 17.8 |        
    5921 |      MASTER-Tavrida |   C |   180 | 16.7 |        
    6134 |      MASTER-Tavrida |   C |   180 | 17.5 |        
    6314 |      MASTER-Tavrida |   C |   540 | 17.5 |  Coadd 
    6134 |      MASTER-Tavrida |   C |   180 | 17.2 |        
    6333 |      MASTER-Tavrida |   C |   180 | 16.6 |        
    6333 |      MASTER-Tavrida |   C |   180 | 16.4 |        
    6513 |      MASTER-Tavrida |   C |   540 | 17.0 |  Coadd 
    6532 |      MASTER-Tavrida |   C |   180 | 16.4 |        
    6532 |      MASTER-Tavrida |   C |   180 | 16.2 |        
    6732 |      MASTER-Tavrida |   C |   180 | 16.3 |        
    6732 |      MASTER-Tavrida |   C |   180 | 16.1 |        
    6932 |      MASTER-Tavrida |   C |   180 | 16.9 |        
    6932 |      MASTER-Tavrida |   C |   180 | 16.6 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 3639
TYPE = 35
DAYS = 0


MASTER-Tavrida robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Lomonosov MSU, SAI Crimea astronomical station) was pointed to the SWIFT GRB210104.88 (trigger No 1015919,03h 34m 24.24s , +37d 55m 51.6s, R=0.05) errorbox  5 sec after notice time and 59 sec after trigger time at 2021-01-04 21:11:10 UT, with upper limit up to  15.1 mag. The observations began at zenith distance = 33 deg. The sun  altitude  is -67.4 deg. 

The galactic latitude b = -14 deg., longitude l = 155 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1518656

We obtain a following upper limits.  

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

      65 |      MASTER-Tavrida |   C |    10 | 14.6 |        
      65 |      MASTER-Tavrida |   C |    10 | 14.9 |        
      99 |      MASTER-Tavrida |   C |    20 | 14.9 |        
      99 |      MASTER-Tavrida |   C |    20 | 15.1 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 3638
TYPE = 35
DAYS = 0


MASTER-Tavrida robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Lomonosov MSU, SAI Crimea astronomical station) was pointed to the SWIFT GRB210104.88 (trigger No 1015919,03h 34m 24.24s , +37d 55m 51.6s, R=0.05) errorbox  5 sec after notice time and 59 sec after trigger time at 2021-01-04 21:11:10 UT, with upper limit up to  15.1 mag. The observations began at zenith distance = 33 deg. The sun  altitude  is -67.4 deg. 

The galactic latitude b = -14 deg., longitude l = 155 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1518656

We obtain a following upper limits.  

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

      65 |      MASTER-Tavrida |   C |    10 | 14.6 |        
      65 |      MASTER-Tavrida |   C |    10 | 14.9 |        
      99 |      MASTER-Tavrida |   C |    20 | 14.9 |        
      99 |      MASTER-Tavrida |   C |    20 | 15.1 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 3637
TYPE = 34
DAYS = 0


MASTER-Tavrida robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Lomonosov MSU, SAI Crimea astronomical station) was pointed to the SWIFT GRB210104.88 (trigger No 1015919,03h 34m 24.24s , +37d 55m 51.6s, R=0.05) errorbox  5 sec after notice time and 59 sec after trigger time at 2021-01-04 21:11:10 UT, with upper limit up to  15.1 mag. The observations began at zenith distance = 33 deg. The sun  altitude  is -67.4 deg. 

The galactic latitude b = -14 deg., longitude l = 155 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1518656

We obtain a following upper limits.  

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

      65 |      MASTER-Tavrida |   C |    10 | 14.6 |        
      65 |      MASTER-Tavrida |   C |    10 | 14.9 |        
      99 |      MASTER-Tavrida |   C |    20 | 14.9 |        
      99 |      MASTER-Tavrida |   C |    20 | 15.1 |        
Filter C is a clear (unfiltred) band. 


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

MASTER, 2002-2025