MASTER Net MASTER Database: GRB210501.83 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 MAXI GRB210501.83
Trignum 335675984
Trigger time 2021-05-01 19:50:25
Notice time 2021-05-01 23:19:35.556523
Coord, eb (18h 03m 41.52s , -29d 48m 14.4s) , 1
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You are viewing outdated information, relevant error box is here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
2251182 2023-08-07 01:50:53.88871 18h 03m 41.52s -29d 48m 14.4s MAXI 1 retraction 335675984 1 4044 retraction
1605268 2021-05-01 23:19:38.887232 18h 03m 41.52s -29d 48m 14.4s MAXI 1 alert 335675984 2 134 alert

DAYS:

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

Synchronous WFC images
Distance datetime coord2000 observatory camera links
87.4 2021-05-01 19:49:53.822 14h 56m 47.00s +46d 47m 00.0s Kislovodsk 29007 Database Kislovodsk
87.4 2021-05-01 19:49:26.831 14h 56m 47.00s +46d 47m 00.0s Kislovodsk 111339 Database Kislovodsk
56.4 2021-05-01 19:48:24.869 22h 57m 29.00s -67d 59m 58.0s SAAO 111341 Database SAAO
Errorbox center visibility at MASTER facilities
trigger notice notice+1hr now

2021-05-01 19:50:25 (JD 2459336.326678)

Siderial time 13.012256 h

Ra 18:03:41.52 Dec -29:48:14.40
(270.923000d, -29.804000d)

Rise 2021-05-03 01:29:42

Transit 2021-05-02 03:52:33

Set 2021-05-02 06:11:24

Amur

Object: Altitude: 8.90 Azimuth: 12.38

Sun: Altitude: -2.70 Azimuth: 242.04

Moon: Altitude: 14.16 Azimuth: 357.41

Tunka

Object: Altitude: 7.89 Azimuth: 351.00

Sun: Altitude: -13.81 Azimuth: 221.38

Moon: Altitude: 9.11 Azimuth: 335.30

Kislovodsk

Object: Altitude: -7.93 Azimuth: 304.15

Sun: Altitude: -28.55 Azimuth: 159.23

Moon: Altitude: -15.77 Azimuth: 290.39

Tavrida

Object: Altitude: -13.64 Azimuth: 298.66

Sun: Altitude: -25.08 Azimuth: 150.71

Moon: Altitude: -21.87 Azimuth: 284.76

SAAO

Object: Altitude: 13.51 Azimuth: 296.93

Sun: Altitude: -49.46 Azimuth: 74.78

Moon: Altitude: -1.35 Azimuth: 301.63

IAC

Object: Altitude: -46.50 Azimuth: 284.64

Sun: Altitude: -3.09 Azimuth: 109.15

Moon: Altitude: -60.33 Azimuth: 272.40

Argentina

Object: Altitude: -28.34 Azimuth: 2.65

Sun: Altitude: 23.33 Azimuth: 127.18

Moon: Altitude: -29.74 Azimuth: 20.40

Mexico

Object: Altitude: -52.51 Azimuth: 80.31

Sun: Altitude: 72.48 Azimuth: 27.40

Moon: Altitude: -36.94 Azimuth: 79.89

Ural

Object: Altitude: -7.95 Azimuth: 315.00

Sun: Altitude: -17.71 Azimuth: 178.16

Moon: Altitude: -11.47 Azimuth: 299.60

Vostryakovo

Object: Altitude: -16.62 Azimuth: 298.73

Sun: Altitude: -16.63 Azimuth: 156.28

Moon: Altitude: -22.09 Azimuth: 283.26

Gal. latitude: -4.440587 Gal. longitude: 1.582434

Dist. to Sun: 130.248857

Dist. to Moon: 15.572682

Moon coord.: (287.831560 d, -25.480212 d)

Sun coord.: (38.923766 d, 15.241137 d)

Lunar disk: 0.714268

Lunar phase: 64.625287

Lunar bright limb: 84.387485

No SN in this field

2021-05-01 23:19:35 (JD 2459336.471933)

Siderial time 16.507912 h

Ra 18:03:41.52 Dec -29:48:14.40
(270.923000d, -29.804000d)

Rise 2021-05-03 01:29:42

Transit 2021-05-02 03:52:33

Set 2021-05-02 06:11:24

Amur

Object: Altitude: -9.33 Azimuth: 53.78

Sun: Altitude: 29.74 Azimuth: 282.30

Moon: Altitude: 3.49 Azimuth: 41.79

Tunka

Object: Altitude: 0.41 Azimuth: 35.61

Sun: Altitude: 14.41 Azimuth: 263.48

Moon: Altitude: 10.23 Azimuth: 21.01

Kislovodsk

Object: Altitude: 14.54 Azimuth: 343.56

Sun: Altitude: -23.52 Azimuth: 215.45

Moon: Altitude: 12.78 Azimuth: 325.61

Tavrida

Object: Altitude: 11.53 Azimuth: 336.37

Sun: Altitude: -25.84 Azimuth: 206.88

Moon: Altitude: 8.28 Azimuth: 318.89

SAAO

Object: Altitude: 55.75 Azimuth: 276.57

Sun: Altitude: -69.84 Azimuth: 325.25

Moon: Altitude: 38.27 Azimuth: 278.39

IAC

Object: Altitude: -3.98 Azimuth: 301.90

Sun: Altitude: -39.88 Azimuth: 147.14

Moon: Altitude: -17.12 Azimuth: 290.07

Argentina

Object: Altitude: -12.39 Azimuth: 317.31

Sun: Altitude: -17.69 Azimuth: 97.34

Moon: Altitude: -25.80 Azimuth: 329.28

Mexico

Object: Altitude: -82.40 Azimuth: 262.77

Sun: Altitude: 32.84 Azimuth: 88.72

Moon: Altitude: -79.17 Azimuth: 119.10

Ural

Object: Altitude: 3.15 Azimuth: 358.80

Sun: Altitude: -6.48 Azimuth: 228.49

Moon: Altitude: 5.79 Azimuth: 341.42

Vostryakovo

Object: Altitude: 2.54 Azimuth: 340.06

Sun: Altitude: -15.28 Azimuth: 208.75

Moon: Altitude: 1.56 Azimuth: 322.55

Gal. latitude: -4.440587 Gal. longitude: 1.582434

Dist. to Sun: 130.388254

Dist. to Moon: 17.526018

Moon coord.: (290.080344 d, -25.365911 d)

Sun coord.: (39.062656 d, 15.284697 d)

Lunar disk: 0.699262

Lunar phase: 66.514026

Lunar bright limb: 83.476784

No SN in this field

2021-05-02 00:19:35 (JD 2459336.513600)

Siderial time 17.510650 h

Ra 18:03:41.52 Dec -29:48:14.40
(270.923000d, -29.804000d)

Rise 2021-05-03 01:29:42

Transit 2021-05-02 03:52:33

Set 2021-05-02 06:11:24

Amur

Object: Altitude: -17.55 Azimuth: 64.20

Sun: Altitude: 38.78 Azimuth: 296.01

Moon: Altitude: -3.24 Azimuth: 52.93

Tunka

Object: Altitude: -5.73 Azimuth: 47.13

Sun: Altitude: 23.68 Azimuth: 275.25

Moon: Altitude: 6.19 Azimuth: 33.51

Kislovodsk

Object: Altitude: 16.39 Azimuth: 356.96

Sun: Altitude: -16.24 Azimuth: 228.76

Moon: Altitude: 17.73 Azimuth: 338.09

Tavrida

Object: Altitude: 14.68 Azimuth: 349.37

Sun: Altitude: -19.85 Azimuth: 221.19

Moon: Altitude: 14.21 Azimuth: 330.69

SAAO

Object: Altitude: 68.43 Azimuth: 269.82

Sun: Altitude: -60.31 Azimuth: 298.78

Moon: Altitude: 50.36 Azimuth: 271.64

IAC

Object: Altitude: 6.80 Azimuth: 309.25

Sun: Altitude: -45.22 Azimuth: 165.45

Moon: Altitude: -5.43 Azimuth: 295.90

Argentina

Object: Altitude: -2.99 Azimuth: 308.17

Sun: Altitude: -30.41 Azimuth: 89.77

Moon: Altitude: -18.53 Azimuth: 317.62

Mexico

Object: Altitude: -69.54 Azimuth: 272.63

Sun: Altitude: 20.01 Azimuth: 96.23

Moon: Altitude: -83.31 Azimuth: 212.15

Ural

Object: Altitude: 2.39 Azimuth: 11.84

Sun: Altitude: 0.20 Azimuth: 241.35

Moon: Altitude: 7.47 Azimuth: 354.40

Vostryakovo

Object: Altitude: 4.53 Azimuth: 352.98

Sun: Altitude: -10.30 Azimuth: 222.68

Moon: Altitude: 5.85 Azimuth: 334.86

Gal. latitude: -4.440587 Gal. longitude: 1.582434

Dist. to Sun: 130.428238

Dist. to Moon: 18.087860

Moon coord.: (290.722655 d, -25.326943 d)

Sun coord.: (39.102507 d, 15.297176 d)

Lunar disk: 0.694931

Lunar phase: 67.054117

Lunar bright limb: 83.216660

No SN in this field

2024-10-18 03:11:55 (JD 2460601.633275)

Siderial time 7.513664 h

Ra 18:03:41.52 Dec -29:48:14.40
(270.923000d, -29.804000d)

Rise 2024-10-18 14:24:11

Transit 2024-10-18 16:43:03

Set 2024-10-18 19:01:56

Amur

Object: Altitude: -10.26 Azimuth: 304.95

Sun: Altitude: 30.04 Azimuth: 359.44

Moon: Altitude: -24.01 Azimuth: 171.02

Tunka

Object: Altitude: -24.62 Azimuth: 287.56

Sun: Altitude: 24.91 Azimuth: 332.75

Moon: Altitude: -17.10 Azimuth: 146.73

Kislovodsk

Object: Altitude: -64.66 Azimuth: 245.57

Sun: Altitude: -3.40 Azimuth: 280.10

Moon: Altitude: 12.94 Azimuth: 98.83

Tavrida

Object: Altitude: -69.31 Azimuth: 230.01

Sun: Altitude: -9.57 Azimuth: 274.14

Moon: Altitude: 19.10 Azimuth: 92.79

SAAO

Object: Altitude: -27.64 Azimuth: 355.13

Sun: Altitude: -8.97 Azimuth: 287.51

Moon: Altitude: 11.88 Azimuth: 116.84

IAC

Object: Altitude: -61.78 Azimuth: 79.02

Sun: Altitude: -51.81 Azimuth: 247.87

Moon: Altitude: 61.42 Azimuth: 68.64

Argentina

Object: Altitude: 11.52 Azimuth: 61.94

Sun: Altitude: -45.37 Azimuth: 24.67

Moon: Altitude: 37.06 Azimuth: 211.13

Mexico

Object: Altitude: 10.54 Azimuth: 45.40

Sun: Altitude: -31.97 Azimuth: 98.36

Moon: Altitude: 27.84 Azimuth: 268.33

Ural

Object: Altitude: -49.32 Azimuth: 246.89

Sun: Altitude: 3.25 Azimuth: 293.32

Moon: Altitude: 5.60 Azimuth: 109.54

Vostryakovo

Object: Altitude: -60.02 Azimuth: 220.52

Sun: Altitude: -8.02 Azimuth: 275.38

Moon: Altitude: 17.12 Azimuth: 92.19

Gal. latitude: -4.440587 Gal. longitude: 1.582434

Dist. to Sun: 66.069257

Dist. to Moon: 123.446375

Moon coord.: (31.071700 d, 15.242565 d)

Sun coord.: (203.061283 d, -9.642513 d)

Lunar disk: 0.993044

Lunar phase: 9.568470

Lunar bright limb: 55.335948

No SN in this field

Recent coverage and limits telegrams

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

  ID = 4171
TYPE = 35
DAYS = 0.5


MASTER-Kislovodsk robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Lomonosov MSU, Kislovodsk Solar Station of Pulkovo observatory) was pointed to the SWIFT GRB210502.74 (trigger No 1046414,18h 02m 58.08s , -29d 49m 04.8s, R=0.05) errorbox  22487 sec after notice time and 22895 sec after trigger time at 2021-05-03 00:01:08 UT, with upper limit up to  17.2 mag. The observations began at zenith distance = 73 deg. The sun  altitude  is -19.2 deg. 

The galactic latitude b = -4 deg., longitude l =  1 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1605655

We obtain a following upper limits.  

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

   22925 |   MASTER-Kislovodsk |   C |    60 | 16.3 |        
   22985 |   MASTER-Kislovodsk |   C |   180 | 16.7 |  Coadd 
   22925 |   MASTER-Kislovodsk |   C |    60 | 16.2 |        
   22985 |   MASTER-Kislovodsk |   C |   180 | 16.6 |  Coadd 
   23005 |   MASTER-Kislovodsk |   C |    60 | 16.4 |        
   23005 |   MASTER-Kislovodsk |   C |    60 | 16.5 |        
   23085 |   MASTER-Kislovodsk |   C |    60 | 16.5 |        
   23085 |   MASTER-Kislovodsk |   C |    60 | 16.5 |        
   23166 |   MASTER-Kislovodsk |   C |    60 | 16.5 |        
   23226 |   MASTER-Kislovodsk |   C |   180 | 16.8 |  Coadd 
   23166 |   MASTER-Kislovodsk |   C |    60 | 16.7 |        
   23226 |   MASTER-Kislovodsk |   C |   180 | 16.9 |  Coadd 
   23246 |   MASTER-Kislovodsk |   C |    60 | 16.5 |        
   23246 |   MASTER-Kislovodsk |   C |    60 | 16.7 |        
   23326 |   MASTER-Kislovodsk |   C |    60 | 16.5 |        
   23326 |   MASTER-Kislovodsk |   C |    60 | 16.7 |        
   23406 |   MASTER-Kislovodsk |   C |    60 | 16.5 |        
   23466 |   MASTER-Kislovodsk |   C |   180 | 16.8 |  Coadd 
   23406 |   MASTER-Kislovodsk |   C |    60 | 16.8 |        
   23466 |   MASTER-Kislovodsk |   C |   180 | 16.9 |  Coadd 
   23486 |   MASTER-Kislovodsk |   C |    60 | 16.6 |        
   23486 |   MASTER-Kislovodsk |   C |    60 | 16.7 |        
   23566 |   MASTER-Kislovodsk |   C |    60 | 16.7 |        
   23566 |   MASTER-Kislovodsk |   C |    60 | 16.8 |        
   23646 |   MASTER-Kislovodsk |   C |    60 | 16.7 |        
   23706 |   MASTER-Kislovodsk |   C |   180 | 17.0 |  Coadd 
   23646 |   MASTER-Kislovodsk |   C |    60 | 16.8 |        
   23706 |   MASTER-Kislovodsk |   C |   180 | 16.9 |  Coadd 
   23973 |   MASTER-Kislovodsk |   C |    60 | 16.9 |        
   23973 |   MASTER-Kislovodsk |   C |    60 | 16.8 |        
   24054 |   MASTER-Kislovodsk |   C |    60 | 17.0 |        
   24054 |   MASTER-Kislovodsk |   C |    60 | 16.9 |        
   24134 |   MASTER-Kislovodsk |   C |    60 | 17.0 |        
   24194 |   MASTER-Kislovodsk |   C |   180 | 17.1 |  Coadd 
   24134 |   MASTER-Kislovodsk |   C |    60 | 16.9 |        
   24194 |   MASTER-Kislovodsk |   C |   180 | 17.0 |  Coadd 
   24214 |   MASTER-Kislovodsk |   C |    60 | 17.0 |        
   24214 |   MASTER-Kislovodsk |   C |    60 | 16.9 |        
   24294 |   MASTER-Kislovodsk |   C |    60 | 16.9 |        
   24294 |   MASTER-Kislovodsk |   C |    60 | 16.9 |        
   24375 |   MASTER-Kislovodsk |   C |    60 | 17.0 |        
   24435 |   MASTER-Kislovodsk |   C |   180 | 17.2 |  Coadd 
   24375 |   MASTER-Kislovodsk |   C |    60 | 16.9 |        
   24435 |   MASTER-Kislovodsk |   C |   180 | 16.9 |  Coadd 
   24455 |   MASTER-Kislovodsk |   C |    60 | 17.0 |        
   24455 |   MASTER-Kislovodsk |   C |    60 | 16.9 |        
   24535 |   MASTER-Kislovodsk |   C |    60 | 17.0 |        
   24535 |   MASTER-Kislovodsk |   C |    60 | 17.0 |        
   24615 |   MASTER-Kislovodsk |   C |    60 | 16.9 |        
   24615 |   MASTER-Kislovodsk |   C |    60 | 16.8 |        
   24695 |   MASTER-Kislovodsk |   C |    60 | 16.8 |        
   24695 |   MASTER-Kislovodsk |   C |    60 | 16.7 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 4170
TYPE = 35
DAYS = 1


MASTER-Kislovodsk robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Lomonosov MSU, Kislovodsk Solar Station of Pulkovo observatory) was pointed to the SWIFT GRB210502.74 (trigger No 1046414,18h 02m 58.08s , -29d 49m 04.8s, R=0.05) errorbox  22487 sec after notice time and 22895 sec after trigger time at 2021-05-03 00:01:08 UT, with upper limit up to  17.2 mag. The observations began at zenith distance = 73 deg. The sun  altitude  is -19.2 deg. 

MASTER-OAFA robotic telescope  located in Argentina (OAFA observatory of San Juan National University) was pointed to the SWIFT GRB210502.74 errorbox  45466 sec after notice time and 45874 sec after trigger time at 2021-05-03 06:24:07 UT, with upper limit up to  16.6 mag. The observations began at zenith distance = 19 deg. The sun  altitude  is -60.1 deg. 

The galactic latitude b = -4 deg., longitude l =  1 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1605655

We obtain a following upper limits.  

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

   22925 |   MASTER-Kislovodsk |   C |    60 | 16.3 |        
   22985 |   MASTER-Kislovodsk |   C |   180 | 16.7 |  Coadd 
   22925 |   MASTER-Kislovodsk |   C |    60 | 16.2 |        
   22985 |   MASTER-Kislovodsk |   C |   180 | 16.6 |  Coadd 
   23005 |   MASTER-Kislovodsk |   C |    60 | 16.4 |        
   23005 |   MASTER-Kislovodsk |   C |    60 | 16.5 |        
   23085 |   MASTER-Kislovodsk |   C |    60 | 16.5 |        
   23085 |   MASTER-Kislovodsk |   C |    60 | 16.5 |        
   23166 |   MASTER-Kislovodsk |   C |    60 | 16.5 |        
   23226 |   MASTER-Kislovodsk |   C |   180 | 16.8 |  Coadd 
   23166 |   MASTER-Kislovodsk |   C |    60 | 16.7 |        
   23226 |   MASTER-Kislovodsk |   C |   180 | 16.9 |  Coadd 
   23246 |   MASTER-Kislovodsk |   C |    60 | 16.5 |        
   23246 |   MASTER-Kislovodsk |   C |    60 | 16.7 |        
   23326 |   MASTER-Kislovodsk |   C |    60 | 16.5 |        
   23326 |   MASTER-Kislovodsk |   C |    60 | 16.7 |        
   23406 |   MASTER-Kislovodsk |   C |    60 | 16.5 |        
   23466 |   MASTER-Kislovodsk |   C |   180 | 16.8 |  Coadd 
   23406 |   MASTER-Kislovodsk |   C |    60 | 16.8 |        
   23466 |   MASTER-Kislovodsk |   C |   180 | 16.9 |  Coadd 
   23486 |   MASTER-Kislovodsk |   C |    60 | 16.6 |        
   23486 |   MASTER-Kislovodsk |   C |    60 | 16.7 |        
   23566 |   MASTER-Kislovodsk |   C |    60 | 16.7 |        
   23566 |   MASTER-Kislovodsk |   C |    60 | 16.8 |        
   23646 |   MASTER-Kislovodsk |   C |    60 | 16.7 |        
   23706 |   MASTER-Kislovodsk |   C |   180 | 17.0 |  Coadd 
   23646 |   MASTER-Kislovodsk |   C |    60 | 16.8 |        
   23706 |   MASTER-Kislovodsk |   C |   180 | 16.9 |  Coadd 
   23973 |   MASTER-Kislovodsk |   C |    60 | 16.9 |        
   23973 |   MASTER-Kislovodsk |   C |    60 | 16.8 |        
   24054 |   MASTER-Kislovodsk |   C |    60 | 17.0 |        
   24054 |   MASTER-Kislovodsk |   C |    60 | 16.9 |        
   24134 |   MASTER-Kislovodsk |   C |    60 | 17.0 |        
   24194 |   MASTER-Kislovodsk |   C |   180 | 17.1 |  Coadd 
   24134 |   MASTER-Kislovodsk |   C |    60 | 16.9 |        
   24194 |   MASTER-Kislovodsk |   C |   180 | 17.0 |  Coadd 
   24214 |   MASTER-Kislovodsk |   C |    60 | 17.0 |        
   24214 |   MASTER-Kislovodsk |   C |    60 | 16.9 |        
   24294 |   MASTER-Kislovodsk |   C |    60 | 16.9 |        
   24294 |   MASTER-Kislovodsk |   C |    60 | 16.9 |        
   24375 |   MASTER-Kislovodsk |   C |    60 | 17.0 |        
   24435 |   MASTER-Kislovodsk |   C |   180 | 17.2 |  Coadd 
   24375 |   MASTER-Kislovodsk |   C |    60 | 16.9 |        
   24435 |   MASTER-Kislovodsk |   C |   180 | 16.9 |  Coadd 
   24455 |   MASTER-Kislovodsk |   C |    60 | 17.0 |        
   24455 |   MASTER-Kislovodsk |   C |    60 | 16.9 |        
   24535 |   MASTER-Kislovodsk |   C |    60 | 17.0 |        
   24535 |   MASTER-Kislovodsk |   C |    60 | 17.0 |        
   24615 |   MASTER-Kislovodsk |   C |    60 | 16.9 |        
   24615 |   MASTER-Kislovodsk |   C |    60 | 16.8 |        
   24695 |   MASTER-Kislovodsk |   C |    60 | 16.8 |        
   24695 |   MASTER-Kislovodsk |   C |    60 | 16.7 |        
   45964 |         MASTER-OAFA |   C |   180 | 16.5 |        
   46890 |         MASTER-OAFA |   C |   180 | 16.4 |        
   47089 |         MASTER-OAFA |   C |   180 | 16.5 |        
   47837 |         MASTER-OAFA |   C |   180 | 16.5 |        
   48256 |         MASTER-OAFA |   C |   180 | 16.5 |        
   48860 |         MASTER-OAFA |   C |   180 | 16.6 |        
   51813 |         MASTER-OAFA |   C |    60 | 16.4 |        
   51893 |         MASTER-OAFA |   C |    60 | 16.4 |        
   52781 |         MASTER-OAFA |   C |    60 | 16.4 |        
   52864 |         MASTER-OAFA |   C |    60 | 16.4 |        
   53684 |         MASTER-OAFA |   C |    60 | 16.4 |        
   54438 |         MASTER-OAFA |   C |    60 | 16.3 |        
   55482 |         MASTER-OAFA |   C |    60 | 16.1 |        
   56445 |         MASTER-OAFA |   C |    60 | 16.1 |        
   57412 |         MASTER-OAFA |   C |    60 | 16.1 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 4169
TYPE = 35
DAYS = 0


MASTER-OAFA robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Argentina (OAFA observatory of San Juan National University) was pointed to the SWIFT GRB210502.74 (trigger No 1046414,18h 02m 58.08s , -29d 49m 04.8s, R=0.05) errorbox  45466 sec after notice time and 45874 sec after trigger time at 2021-05-03 06:24:07 UT, with upper limit up to  16.5 mag. The observations began at zenith distance = 19 deg. The sun  altitude  is -60.1 deg. 

The galactic latitude b = -4 deg., longitude l =  1 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1605655

We obtain a following upper limits.  

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

   45964 |         MASTER-OAFA |   C |   180 | 16.5 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 4168
TYPE = 35
DAYS = 0


MASTER-OAFA robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Argentina (OAFA observatory of San Juan National University) was pointed to the SWIFT GRB210502.74 (trigger No 1046414,18h 02m 58.08s , -29d 49m 04.8s, R=0.05) errorbox  45466 sec after notice time and 45874 sec after trigger time at 2021-05-03 06:24:07 UT, with upper limit up to  16.5 mag. The observations began at zenith distance = 19 deg. The sun  altitude  is -60.1 deg. 

The galactic latitude b = -4 deg., longitude l =  1 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1605655

We obtain a following upper limits.  

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

   45964 |         MASTER-OAFA |   C |   180 | 16.5 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 4167
TYPE = 34
DAYS = 0


MASTER-OAFA robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Argentina (OAFA observatory of San Juan National University) was pointed to the SWIFT GRB210502.74 (trigger No 1046414,18h 02m 58.08s , -29d 49m 04.8s, R=0.05) errorbox  45466 sec after notice time and 45874 sec after trigger time at 2021-05-03 06:24:07 UT, with upper limit up to  16.5 mag. The observations began at zenith distance = 19 deg. The sun  altitude  is -60.1 deg. 

The galactic latitude b = -4 deg., longitude l =  1 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1605655

We obtain a following upper limits.  

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

   45964 |         MASTER-OAFA |   C |   180 | 16.5 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 4164
TYPE = 35
DAYS = 1


MASTER-Kislovodsk robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Lomonosov MSU, Kislovodsk Solar Station of Pulkovo observatory) started inspect of the MAXI GRB210501.83 (trigger No 335675984,18h 03m 41.52s , -29d 48m 14.4s, R=1) errorbox  113 sec after notice time and 12664 sec after trigger time at 2021-05-01 23:21:29 UT, with upper limit up to  16.2 mag. The observations began at zenith distance = 75 deg. The sun  altitude  is -24.1 deg. 

The galactic latitude b = -4 deg., longitude l =  2 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1605264

We obtain a following upper limits.  

Tmid-T0  |      Date Time      |          Site       |             Coord (J2000)          |Filt.| Expt. | Limit| Comment
_________|_____________________|_____________________|____________________________________|_____|_______|_______|________

   12754 | 2021-05-01 23:21:29 |   MASTER-Kislovodsk | (18h 02m 22.24s , -30d 00m 55.3s) |  P| |   180 | 15.9 |        
   13550 | 2021-05-01 23:34:45 |   MASTER-Kislovodsk | (18h 02m 23.40s , -30d 02m 35.4s) |  P| |   180 | 16.2 |        
   14078 | 2021-05-01 23:43:33 |   MASTER-Kislovodsk | (18h 02m 27.34s , -30d 01m 17.5s) |  P| |   180 | 15.9 |        
   14969 | 2021-05-01 23:58:24 |   MASTER-Kislovodsk | (18h 02m 23.11s , -30d 01m 49.0s) |  P| |   180 | 16.1 |        


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



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

  ID = 4162
TYPE = 35
DAYS = 0.5


MASTER-Kislovodsk robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Lomonosov MSU, Kislovodsk Solar Station of Pulkovo observatory) started inspect of the MAXI GRB210501.83 (trigger No 335675984,18h 03m 41.52s , -29d 48m 14.4s, R=1) errorbox  113 sec after notice time and 12664 sec after trigger time at 2021-05-01 23:21:29 UT, with upper limit up to  16.2 mag. The observations began at zenith distance = 75 deg. The sun  altitude  is -24.1 deg. 

The galactic latitude b = -4 deg., longitude l =  2 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1605264

We obtain a following upper limits.  

Tmid-T0  |      Date Time      |          Site       |             Coord (J2000)          |Filt.| Expt. | Limit| Comment
_________|_____________________|_____________________|____________________________________|_____|_______|_______|________

   12754 | 2021-05-01 23:21:29 |   MASTER-Kislovodsk | (18h 02m 22.24s , -30d 00m 55.3s) |  P| |   180 | 15.9 |        
   13550 | 2021-05-01 23:34:45 |   MASTER-Kislovodsk | (18h 02m 23.40s , -30d 02m 35.4s) |  P| |   180 | 16.2 |        
   14078 | 2021-05-01 23:43:33 |   MASTER-Kislovodsk | (18h 02m 27.34s , -30d 01m 17.5s) |  P| |   180 | 15.9 |        
   14969 | 2021-05-01 23:58:24 |   MASTER-Kislovodsk | (18h 02m 23.11s , -30d 01m 49.0s) |  P| |   180 | 16.1 |        


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



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

  ID = 4161
TYPE = 35
DAYS = 0


MASTER-Kislovodsk robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Lomonosov MSU, Kislovodsk Solar Station of Pulkovo observatory) started inspect of the MAXI GRB210501.83 (trigger No 335675984,18h 03m 41.52s , -29d 48m 14.4s, R=1) errorbox  113 sec after notice time and 12664 sec after trigger time at 2021-05-01 23:21:29 UT, with upper limit up to  15.9 mag. The observations began at zenith distance = 75 deg. The sun  altitude  is -24.1 deg. 

The galactic latitude b = -4 deg., longitude l =  2 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1605264

We obtain a following upper limits.  

Tmid-T0  |      Date Time      |          Site       |             Coord (J2000)          |Filt.| Expt. | Limit| Comment
_________|_____________________|_____________________|____________________________________|_____|_______|_______|________

   12754 | 2021-05-01 23:21:29 |   MASTER-Kislovodsk | (18h 02m 22.24s , -30d 00m 55.3s) |  P| |   180 | 15.9 |        


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



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

  ID = 4160
TYPE = 35
DAYS = 0


MASTER-Kislovodsk robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Lomonosov MSU, Kislovodsk Solar Station of Pulkovo observatory) started inspect of the MAXI GRB210501.83 (trigger No 335675984,18h 03m 41.52s , -29d 48m 14.4s, R=1) errorbox  113 sec after notice time and 12664 sec after trigger time at 2021-05-01 23:21:29 UT, with upper limit up to  15.9 mag. The observations began at zenith distance = 75 deg. The sun  altitude  is -24.1 deg. 

The galactic latitude b = -4 deg., longitude l =  2 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1605264

We obtain a following upper limits.  

Tmid-T0  |      Date Time      |          Site       |             Coord (J2000)          |Filt.| Expt. | Limit| Comment
_________|_____________________|_____________________|____________________________________|_____|_______|_______|________

   12754 | 2021-05-01 23:21:29 |   MASTER-Kislovodsk | (18h 02m 22.24s , -30d 00m 55.3s) |  P| |   180 | 15.9 |        


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



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

  ID = 4159
TYPE = 34
DAYS = 0


MASTER-Kislovodsk robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Lomonosov MSU, Kislovodsk Solar Station of Pulkovo observatory) started inspect of the MAXI GRB210501.83 (trigger No 335675984,18h 03m 41.52s , -29d 48m 14.4s, R=1) errorbox  113 sec after notice time and 12664 sec after trigger time at 2021-05-01 23:21:29 UT, with upper limit up to  15.9 mag. The observations began at zenith distance = 75 deg. The sun  altitude  is -24.1 deg. 

The galactic latitude b = -4 deg., longitude l =  2 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1605264

We obtain a following upper limits.  

Tmid-T0  |      Date Time      |          Site       |             Coord (J2000)          |Filt.| Expt. | Limit| Comment
_________|_____________________|_____________________|____________________________________|_____|_______|_______|________

   12754 | 2021-05-01 23:21:29 |   MASTER-Kislovodsk | (18h 02m 22.24s , -30d 00m 55.3s) |  P| |   180 | 15.9 |        


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



 

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