MASTER Net MASTER Database: GRB210117.46 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 FERMI GRB210117.46
Trignum 632573937
Trigger time 2021-01-17 10:58:52.03
Notice time 2021-01-17 13:42:05.682237
Coord, eb (15h 07m 04.80s , -20d 13m 48.0s) , 1.91
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
1528013 2021-01-17 13:42:05.682237 15h 07m 04.80s -20d 13m 48.0s FERMI 1.91 alert 632573937 8 115 alert
1527958 2021-01-17 10:59:56.324164 15h 22m 48.00s -16d 46m 58.8s FERMI 13.37 alert 632573937 19 111 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

2021-01-17 10:58:52 (JD 2459231.957546)

Siderial time 21.295012 h

Ra 15:07:04.80 Dec -20:13:48.00
(226.770000d, -20.230000d)

Rise 2021-01-17 00:55:55

Transit 2021-01-17 04:49:15

Set 2021-01-17 08:42:36

Amur

Object: Altitude: -59.85 Azimuth: 184.71

Sun: Altitude: -28.43 Azimuth: 91.30

Moon: Altitude: 12.84 Azimuth: 58.26

Tunka

Object: Altitude: -54.10 Azimuth: 143.36

Sun: Altitude: -13.48 Azimuth: 73.53

Moon: Altitude: 23.02 Azimuth: 35.41

Kislovodsk

Object: Altitude: -19.16 Azimuth: 79.97

Sun: Altitude: 21.58 Azimuth: 25.17

Moon: Altitude: 31.51 Azimuth: 327.22

Tavrida

Object: Altitude: -13.44 Azimuth: 74.71

Sun: Altitude: 22.85 Azimuth: 16.76

Moon: Altitude: 27.06 Azimuth: 318.88

SAAO

Object: Altitude: 22.27 Azimuth: 79.47

Sun: Altitude: 77.97 Azimuth: 165.06

Moon: Altitude: 38.66 Azimuth: 254.34

IAC

Object: Altitude: 28.84 Azimuth: 41.85

Sun: Altitude: 30.99 Azimuth: 322.37

Moon: Altitude: -1.55 Azimuth: 279.39

Argentina

Object: Altitude: 72.75 Azimuth: 231.34

Sun: Altitude: 13.31 Azimuth: 286.32

Moon: Altitude: -33.91 Azimuth: 309.69

Mexico

Object: Altitude: 16.18 Azimuth: 306.51

Sun: Altitude: -42.43 Azimuth: 270.51

Moon: Altitude: -67.94 Azimuth: 177.97

Ural

Object: Altitude: -30.16 Azimuth: 99.27

Sun: Altitude: 4.67 Azimuth: 38.92

Moon: Altitude: 23.36 Azimuth: 348.32

Vostryakovo

Object: Altitude: -18.12 Azimuth: 80.42

Sun: Altitude: 11.97 Azimuth: 19.37

Moon: Altitude: 20.12 Azimuth: 325.50

Gal. latitude: 31.819134 Gal. longitude: 341.739462

Dist. to Sun: 67.328984

Dist. to Moon: 118.884996

Moon coord.: (352.194101 d, -9.003462 d)

Sun coord.: (299.322771 d, -20.710611 d)

Lunar disk: 0.194280

Lunar phase: 127.693769

Lunar bright limb: 250.702715

No SN in this field

2021-01-17 13:42:05 (JD 2459232.070891)

Siderial time 0.022738 h

Ra 15:07:04.80 Dec -20:13:48.00
(226.770000d, -20.230000d)

Rise 2021-01-18 00:51:59

Transit 2021-01-18 04:45:20

Set 2021-01-18 08:38:41

Amur

Object: Altitude: -44.52 Azimuth: 244.80

Sun: Altitude: -52.48 Azimuth: 131.39

Moon: Altitude: -10.76 Azimuth: 89.71

Tunka

Object: Altitude: -55.11 Azimuth: 212.32

Sun: Altitude: -38.35 Azimuth: 106.09

Moon: Altitude: 4.06 Azimuth: 70.84

Kislovodsk

Object: Altitude: -48.30 Azimuth: 110.77

Sun: Altitude: 1.88 Azimuth: 58.63

Moon: Altitude: 36.74 Azimuth: 14.54

Tavrida

Object: Altitude: -42.19 Azimuth: 103.94

Sun: Altitude: 6.34 Azimuth: 52.38

Moon: Altitude: 36.75 Azimuth: 3.99

SAAO

Object: Altitude: -9.88 Azimuth: 58.26

Sun: Altitude: 49.17 Azimuth: 95.40

Moon: Altitude: 64.34 Azimuth: 203.30

IAC

Object: Altitude: -0.72 Azimuth: 67.29

Sun: Altitude: 40.58 Azimuth: 8.35

Moon: Altitude: 31.41 Azimuth: 301.61

Argentina

Object: Altitude: 63.52 Azimuth: 109.41

Sun: Altitude: 47.56 Azimuth: 266.44

Moon: Altitude: -4.03 Azimuth: 282.52

Mexico

Object: Altitude: 36.88 Azimuth: 343.00

Sun: Altitude: -8.15 Azimuth: 289.29

Moon: Altitude: -47.38 Azimuth: 246.34

Ural

Object: Altitude: -49.00 Azimuth: 143.62

Sun: Altitude: -13.46 Azimuth: 72.63

Moon: Altitude: 20.41 Azimuth: 30.51

Vostryakovo

Object: Altitude: -40.79 Azimuth: 116.49

Sun: Altitude: -1.94 Azimuth: 55.02

Moon: Altitude: 25.91 Azimuth: 7.73

Gal. latitude: 31.819134 Gal. longitude: 341.739462

Dist. to Sun: 67.444307

Dist. to Moon: 120.292197

Moon coord.: (353.507157 d, -8.440756 d)

Sun coord.: (299.443824 d, -20.688065 d)

Lunar disk: 0.203325

Lunar phase: 126.395095

Lunar bright limb: 250.446512

No SN in this field

2021-01-17 14:42:05 (JD 2459232.112558)

Siderial time 1.025476 h

Ra 15:07:04.80 Dec -20:13:48.00
(226.770000d, -20.230000d)

Rise 2021-01-18 00:51:59

Transit 2021-01-18 04:45:20

Set 2021-01-18 08:38:41

Amur

Object: Altitude: -35.41 Azimuth: 258.91

Sun: Altitude: -58.30 Azimuth: 154.02

Moon: Altitude: -19.84 Azimuth: 101.33

Tunka

Object: Altitude: -48.80 Azimuth: 232.92

Sun: Altitude: -46.82 Azimuth: 121.34

Moon: Altitude: -4.52 Azimuth: 82.43

Kislovodsk

Object: Altitude: -57.76 Azimuth: 128.34

Sun: Altitude: -7.82 Azimuth: 68.78

Moon: Altitude: 32.82 Azimuth: 31.45

Tavrida

Object: Altitude: -52.14 Azimuth: 118.76

Sun: Altitude: -2.66 Azimuth: 63.15

Moon: Altitude: 34.66 Azimuth: 21.57

SAAO

Object: Altitude: -20.06 Azimuth: 48.13

Sun: Altitude: 36.51 Azimuth: 87.09

Moon: Altitude: 65.48 Azimuth: 169.01

IAC

Object: Altitude: -13.21 Azimuth: 73.92

Sun: Altitude: 36.70 Azimuth: 25.64

Moon: Altitude: 41.69 Azimuth: 314.22

Argentina

Object: Altitude: 51.07 Azimuth: 96.90

Sun: Altitude: 60.14 Azimuth: 255.78

Moon: Altitude: 8.09 Azimuth: 274.71

Mexico

Object: Altitude: 38.71 Azimuth: 0.73

Sun: Altitude: 3.67 Azimuth: 296.85

Moon: Altitude: -35.41 Azimuth: 257.11

Ural

Object: Altitude: -52.53 Azimuth: 165.31

Sun: Altitude: -21.44 Azimuth: 84.74

Moon: Altitude: 15.76 Azimuth: 44.87

Vostryakovo

Object: Altitude: -47.78 Azimuth: 133.68

Sun: Altitude: -9.37 Azimuth: 66.98

Moon: Altitude: 23.89 Azimuth: 23.47

Gal. latitude: 31.819134 Gal. longitude: 341.739462

Dist. to Sun: 67.486700

Dist. to Moon: 120.808456

Moon coord.: (353.987948 d, -8.233181 d)

Sun coord.: (299.488314 d, -20.679756 d)

Lunar disk: 0.206682

Lunar phase: 125.918684

Lunar bright limb: 250.356825

No SN in this field

2025-01-12 17:17:13 (JD 2460688.220289)

Siderial time 3.291615 h

Ra 15:07:04.80 Dec -20:13:48.00
(226.770000d, -20.230000d)

Rise 2025-01-13 01:11:31

Transit 2025-01-13 05:04:52

Set 2025-01-13 08:58:13

Amur

Object: Altitude: -13.90 Azimuth: 285.04

Sun: Altitude: -55.19 Azimuth: 223.57

Moon: Altitude: 51.92 Azimuth: 70.32

Tunka

Object: Altitude: -29.25 Azimuth: 265.94

Sun: Altitude: -59.77 Azimuth: 181.14

Moon: Altitude: 63.28 Azimuth: 34.55

Kislovodsk

Object: Altitude: -65.66 Azimuth: 197.31

Sun: Altitude: -36.23 Azimuth: 94.01

Moon: Altitude: 51.92 Azimuth: 279.19

Tavrida

Object: Altitude: -65.49 Azimuth: 177.74

Sun: Altitude: -30.11 Azimuth: 88.62

Moon: Altitude: 45.75 Azimuth: 273.59

SAAO

Object: Altitude: -35.66 Azimuth: 16.46

Sun: Altitude: 4.75 Azimuth: 67.40

Moon: Altitude: 3.21 Azimuth: 233.37

IAC

Object: Altitude: -42.68 Azimuth: 87.84

Sun: Altitude: 12.83 Azimuth: 56.56

Moon: Altitude: 3.04 Azimuth: 239.37

Argentina

Object: Altitude: 22.32 Azimuth: 79.32

Sun: Altitude: 77.42 Azimuth: 142.35

Moon: Altitude: -68.60 Azimuth: 273.24

Mexico

Object: Altitude: 28.90 Azimuth: 37.49

Sun: Altitude: 28.66 Azimuth: 324.93

Moon: Altitude: -28.63 Azimuth: 163.31

Ural

Object: Altitude: -48.99 Azimuth: 216.41

Sun: Altitude: -42.78 Azimuth: 120.39

Moon: Altitude: 55.61 Azimuth: 315.50

Vostryakovo

Object: Altitude: -54.79 Azimuth: 184.55

Sun: Altitude: -31.94 Azimuth: 98.05

Moon: Altitude: 46.17 Azimuth: 287.85

Gal. latitude: 31.819134 Gal. longitude: 341.739462

Dist. to Sun: 62.484657

Dist. to Moon: 132.940412

Moon coord.: (98.000726 d, 28.237598 d)

Sun coord.: (294.206763 d, -21.582491 d)

Lunar disk: 0.980457

Lunar phase: 16.072296

Lunar bright limb: 290.430898

No SN in this field
Recent coverage and limits telegrams

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  ID = 3677
TYPE = 35
DAYS = 2


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) started inspect of the FERMI GRB210117.46 (trigger No 632573937,15h 07m 04.80s , -20d 13m 48.0s, R=1.91) errorbox  70520 sec after notice time and 70580 sec after trigger time at 2021-01-18 06:35:12 UT, with upper limit up to  18.5 mag. The observations began at zenith distance = 68 deg. The sun  altitude  is -32.1 deg. 

MASTER-SAAO robotic telescope  located in South Africa (South African Astronomical Observatory) started inspect of the FERMI GRB210117.46 errorbox  1 days 47908 sec after notice time and 1 days 47968 sec after trigger time at 2021-01-19 00:18:20 UT, with upper limit up to  19.5 mag. The observations began at zenith distance = 71 deg. The sun  altitude  is -33.4 deg. 

The galactic latitude b = 32 deg., longitude l = 342 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1528013

We obtain a following upper limits.  

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

   70611 | 2021-01-18 06:35:12 |         MASTER-OAFA | (15h 00m 20.63s , -22d 36m 28.3s) |   C |    60 | 18.4 |        
   70770 | 2021-01-18 06:37:51 |         MASTER-OAFA | (14h 54m 35.90s , -18d 35m 58.9s) |   C |    60 | 18.4 |        
   73053 | 2021-01-18 07:15:55 |         MASTER-OAFA | (14h 56m 54.25s , -20d 36m 56.6s) |   C |    60 | 18.5 |        
   73541 | 2021-01-18 07:24:02 |         MASTER-OAFA | (15h 02m 58.03s , -18d 37m 34.8s) |   C |    60 | 18.4 |        
   73620 | 2021-01-18 07:25:22 |         MASTER-OAFA | (15h 08m 54.10s , -22d 37m 11.4s) |   C |    60 | 18.5 |        
   73701 | 2021-01-18 07:26:43 |         MASTER-OAFA | (15h 13m 55.82s , -20d 37m 16.9s) |   C |    60 | 18.4 |        
   74066 | 2021-01-18 07:32:48 |         MASTER-OAFA | (15h 00m 20.34s , -22d 36m 11.1s) |   C |    60 | 18.5 |        
   74225 | 2021-01-18 07:35:27 |         MASTER-OAFA | (14h 54m 37.40s , -18d 35m 51.2s) |   C |    60 | 18.5 |        
   75460 | 2021-01-18 07:56:02 |         MASTER-OAFA | (14h 56m 55.82s , -20d 36m 49.2s) |   C |    60 | 18.5 |        
   75540 | 2021-01-18 07:57:21 |         MASTER-OAFA | (15h 05m 19.21s , -20d 38m 01.1s) |   C |    60 | 18.4 |        
   75824 | 2021-01-18 08:02:05 |         MASTER-OAFA | (15h 02m 58.33s , -18d 36m 11.8s) |   C |    60 | 18.5 |        
   75903 | 2021-01-18 08:03:25 |         MASTER-OAFA | (15h 11m 22.45s , -18d 37m 47.2s) |   C |    60 | 18.4 |        
   75983 | 2021-01-18 08:04:44 |         MASTER-OAFA | (15h 08m 59.98s , -22d 36m 20.6s) |   C |    60 | 18.5 |        
   76062 | 2021-01-18 08:06:04 |         MASTER-OAFA | (15h 17m 31.97s , -22d 37m 16.9s) |   C |    60 | 18.5 |        
   76141 | 2021-01-18 08:07:23 |         MASTER-OAFA | (15h 13m 50.19s , -20d 36m 10.1s) |   C |    60 | 18.4 |        
   76221 | 2021-01-18 08:08:43 |         MASTER-OAFA | (15h 22m 26.54s , -20d 37m 23.3s) |   C |    60 | 18.4 |        
   76301 | 2021-01-18 08:10:02 |         MASTER-OAFA | (15h 19m 49.49s , -18d 38m 03.9s) |   C |    60 | 18.4 |        
   76579 | 2021-01-18 08:14:41 |         MASTER-OAFA | (15h 00m 20.28s , -22d 37m 25.6s) |   C |    60 | 18.4 |        
   76658 | 2021-01-18 08:16:00 |         MASTER-OAFA | (14h 54m 35.89s , -18d 36m 09.5s) |   C |    60 | 18.5 |        
   77096 | 2021-01-18 08:23:17 |         MASTER-OAFA | (14h 56m 48.68s , -20d 37m 45.5s) |   C |    60 | 18.4 |        
   77175 | 2021-01-18 08:24:37 |         MASTER-OAFA | (15h 05m 24.70s , -20d 37m 31.8s) |   C |    60 | 18.4 |        
   77454 | 2021-01-18 08:29:16 |         MASTER-OAFA | (15h 02m 58.06s , -18d 37m 30.0s) |   C |    60 | 18.3 |        
   77533 | 2021-01-18 08:30:35 |         MASTER-OAFA | (15h 11m 24.74s , -18d 36m 24.7s) |   C |    60 | 18.3 |        
   77614 | 2021-01-18 08:31:55 |         MASTER-OAFA | (15h 08m 54.32s , -22d 37m 01.3s) |   C |    60 | 18.3 |        
   77693 | 2021-01-18 08:33:15 |         MASTER-OAFA | (15h 17m 32.84s , -22d 36m 14.7s) |   C |    60 | 18.3 |        
   77773 | 2021-01-18 08:34:34 |         MASTER-OAFA | (15h 13m 56.81s , -20d 37m 08.3s) |   C |    60 | 18.2 |        
   77852 | 2021-01-18 08:35:54 |         MASTER-OAFA | (15h 22m 20.22s , -20d 38m 21.0s) |   C |    60 | 18.2 |        
   77932 | 2021-01-18 08:37:13 |         MASTER-OAFA | (15h 19m 50.01s , -18d 38m 09.8s) |   C |    60 | 18.2 |        
   78091 | 2021-01-18 08:39:52 |         MASTER-OAFA | (15h 05m 22.39s , -20d 37m 41.2s) |   C |    60 | 18.0 |        
   78251 | 2021-01-18 08:42:33 |         MASTER-OAFA | (15h 10m 04.69s , -16d 36m 59.4s) |   C |    60 | 18.1 |        
   78490 | 2021-01-18 08:46:31 |         MASTER-OAFA | (15h 11m 25.90s , -18d 36m 16.2s) |   C |    60 | 17.7 |        
   78649 | 2021-01-18 08:49:11 |         MASTER-OAFA | (15h 17m 38.38s , -22d 37m 14.7s) |   C |    60 | 17.3 |        
   78808 | 2021-01-18 08:51:50 |         MASTER-OAFA | (15h 22m 23.50s , -20d 36m 27.4s) |   C |    60 | 17.2 |        
   78887 | 2021-01-18 08:53:09 |         MASTER-OAFA | (15h 19m 47.10s , -18d 37m 55.5s) |   C |    60 | 17.1 |        
   79205 | 2021-01-18 08:58:27 |         MASTER-OAFA | (15h 01m 38.44s , -16d 37m 49.6s) |   C |    60 | 17.0 |        
   79285 | 2021-01-18 08:59:47 |         MASTER-OAFA | (15h 10m 04.80s , -16d 37m 43.0s) |   C |    60 | 16.9 |        
  134399 | 2021-01-19 00:18:20 |         MASTER-SAAO | (14h 53m 45.47s , -20d 53m 58.8s) |   C |    60 | 18.6 |        
  134877 | 2021-01-19 00:26:19 |         MASTER-SAAO | (14h 58m 33.69s , -18d 53m 09.9s) |   C |    60 | 18.8 |        
  135774 | 2021-01-19 00:41:15 |         MASTER-SAAO | (14h 53m 44.16s , -20d 51m 59.4s) |   C |    60 | 19.1 |        
  135853 | 2021-01-19 00:42:35 |         MASTER-SAAO | (14h 58m 02.73s , -20d 53m 42.6s) |   C |    60 | 19.2 |        
  136731 | 2021-01-19 00:57:12 |         MASTER-SAAO | (14h 58m 35.62s , -18d 51m 29.1s) |   C |    60 | 19.4 |        
  136810 | 2021-01-19 00:58:32 |         MASTER-SAAO | (15h 02m 57.11s , -18d 52m 38.1s) |   C |    60 | 19.3 |        
  137268 | 2021-01-19 01:06:09 |         MASTER-SAAO | (15h 04m 27.90s , -16d 51m 34.3s) |   C |    60 | 19.3 |        
  137427 | 2021-01-19 01:08:49 |         MASTER-SAAO | (14h 53m 49.24s , -20d 52m 51.9s) |   C |    60 | 19.4 |        
  137587 | 2021-01-19 01:11:28 |         MASTER-SAAO | (14h 58m 08.26s , -20d 51m 29.2s) |   C |    60 | 19.5 |        
  138544 | 2021-01-19 01:27:25 |         MASTER-SAAO | (15h 02m 52.72s , -18d 53m 08.5s) |   C |    60 | 19.4 |        
  138942 | 2021-01-19 01:34:04 |         MASTER-SAAO | (15h 04m 29.13s , -16d 52m 03.8s) |   C |    60 | 19.4 |        
  139022 | 2021-01-19 01:35:23 |         MASTER-SAAO | (15h 08m 40.96s , -16d 51m 11.7s) |   C |    60 | 19.5 |        
  139420 | 2021-01-19 01:42:02 |         MASTER-SAAO | (14h 58m 05.69s , -20d 52m 46.2s) |   C |    60 | 19.5 |        
  139899 | 2021-01-19 01:50:01 |         MASTER-SAAO | (15h 02m 59.07s , -18d 52m 40.8s) |   C |    60 | 19.5 |        
  140298 | 2021-01-19 01:56:40 |         MASTER-SAAO | (15h 04m 29.29s , -16d 50m 45.4s) |   C |    60 | 19.4 |        
  140378 | 2021-01-19 01:57:59 |         MASTER-SAAO | (15h 08m 46.86s , -16d 51m 53.6s) |   C |    60 | 19.4 |        
  140936 | 2021-01-19 02:07:17 |         MASTER-SAAO | (15h 07m 28.27s , -22d 52m 43.0s) |   C |    60 | 19.5 |        
  141095 | 2021-01-19 02:09:57 |         MASTER-SAAO | (15h 11m 05.83s , -20d 51m 09.3s) |   C |    60 | 19.4 |        
  141335 | 2021-01-19 02:13:56 |         MASTER-SAAO | (15h 08m 41.61s , -16d 52m 43.1s) |   C |    60 | 19.4 |        
  142053 | 2021-01-19 02:25:54 |         MASTER-SAAO | (15h 07m 25.52s , -22d 52m 19.7s) |   C |    60 | 19.4 |        
  142132 | 2021-01-19 02:27:14 |         MASTER-SAAO | (15h 11m 51.36s , -22d 50m 56.0s) |   C |    60 | 19.4 |        
  142212 | 2021-01-19 02:28:34 |         MASTER-SAAO | (15h 11m 00.51s , -20d 51m 42.0s) |   C |    60 | 19.3 |        
  142292 | 2021-01-19 02:29:54 |         MASTER-SAAO | (15h 15m 19.49s , -20d 50m 49.7s) |   C |    60 | 19.3 |        
  143328 | 2021-01-19 02:47:09 |         MASTER-SAAO | (15h 07m 23.32s , -22d 51m 27.4s) |   C |    60 | 18.4 |        
  143408 | 2021-01-19 02:48:29 |         MASTER-SAAO | (15h 11m 45.88s , -22d 50m 34.7s) |   C |    60 | 18.3 |        
  143487 | 2021-01-19 02:49:49 |         MASTER-SAAO | (15h 11m 06.83s , -20d 51m 31.3s) |   C |    60 | 18.2 |        
  143567 | 2021-01-19 02:51:09 |         MASTER-SAAO | (15h 15m 20.80s , -20d 52m 38.3s) |   C |    60 | 18.0 |        
Filter C is a clear (unfiltred) band. 


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



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  ID = 3672
TYPE = 35
DAYS = 1


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) started inspect of the FERMI GRB210117.46 (trigger No 632573937,15h 07m 04.80s , -20d 13m 48.0s, R=1.91) errorbox  70520 sec after notice time and 70580 sec after trigger time at 2021-01-18 06:35:12 UT, with upper limit up to  18.5 mag. The observations began at zenith distance = 68 deg. The sun  altitude  is -32.1 deg. 

The galactic latitude b = 32 deg., longitude l = 342 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1528013

We obtain a following upper limits.  

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

   70611 | 2021-01-18 06:35:12 |         MASTER-OAFA | (15h 00m 20.63s , -22d 36m 28.3s) |   C |    60 | 18.4 |        
   70770 | 2021-01-18 06:37:51 |         MASTER-OAFA | (14h 54m 35.90s , -18d 35m 58.9s) |   C |    60 | 18.4 |        
   73053 | 2021-01-18 07:15:55 |         MASTER-OAFA | (14h 56m 54.25s , -20d 36m 56.6s) |   C |    60 | 18.5 |        
   73541 | 2021-01-18 07:24:02 |         MASTER-OAFA | (15h 02m 58.03s , -18d 37m 34.8s) |   C |    60 | 18.4 |        
   73620 | 2021-01-18 07:25:22 |         MASTER-OAFA | (15h 08m 54.10s , -22d 37m 11.4s) |   C |    60 | 18.5 |        
   73701 | 2021-01-18 07:26:43 |         MASTER-OAFA | (15h 13m 55.82s , -20d 37m 16.9s) |   C |    60 | 18.4 |        
   74066 | 2021-01-18 07:32:48 |         MASTER-OAFA | (15h 00m 20.34s , -22d 36m 11.1s) |   C |    60 | 18.5 |        
   74225 | 2021-01-18 07:35:27 |         MASTER-OAFA | (14h 54m 37.40s , -18d 35m 51.2s) |   C |    60 | 18.5 |        
   75460 | 2021-01-18 07:56:02 |         MASTER-OAFA | (14h 56m 55.82s , -20d 36m 49.2s) |   C |    60 | 18.5 |        
   75540 | 2021-01-18 07:57:21 |         MASTER-OAFA | (15h 05m 19.21s , -20d 38m 01.1s) |   C |    60 | 18.4 |        
   75824 | 2021-01-18 08:02:05 |         MASTER-OAFA | (15h 02m 58.33s , -18d 36m 11.8s) |   C |    60 | 18.5 |        
   75903 | 2021-01-18 08:03:25 |         MASTER-OAFA | (15h 11m 22.45s , -18d 37m 47.2s) |   C |    60 | 18.4 |        
   75983 | 2021-01-18 08:04:44 |         MASTER-OAFA | (15h 08m 59.98s , -22d 36m 20.6s) |   C |    60 | 18.5 |        
   76062 | 2021-01-18 08:06:04 |         MASTER-OAFA | (15h 17m 31.97s , -22d 37m 16.9s) |   C |    60 | 18.5 |        
   76141 | 2021-01-18 08:07:23 |         MASTER-OAFA | (15h 13m 50.19s , -20d 36m 10.1s) |   C |    60 | 18.4 |        
   76221 | 2021-01-18 08:08:43 |         MASTER-OAFA | (15h 22m 26.54s , -20d 37m 23.3s) |   C |    60 | 18.4 |        
   76301 | 2021-01-18 08:10:02 |         MASTER-OAFA | (15h 19m 49.49s , -18d 38m 03.9s) |   C |    60 | 18.4 |        
   76579 | 2021-01-18 08:14:41 |         MASTER-OAFA | (15h 00m 20.28s , -22d 37m 25.6s) |   C |    60 | 18.4 |        
   76658 | 2021-01-18 08:16:00 |         MASTER-OAFA | (14h 54m 35.89s , -18d 36m 09.5s) |   C |    60 | 18.5 |        
   77096 | 2021-01-18 08:23:17 |         MASTER-OAFA | (14h 56m 48.68s , -20d 37m 45.5s) |   C |    60 | 18.4 |        
   77175 | 2021-01-18 08:24:37 |         MASTER-OAFA | (15h 05m 24.70s , -20d 37m 31.8s) |   C |    60 | 18.4 |        
   77454 | 2021-01-18 08:29:16 |         MASTER-OAFA | (15h 02m 58.06s , -18d 37m 30.0s) |   C |    60 | 18.3 |        
   77533 | 2021-01-18 08:30:35 |         MASTER-OAFA | (15h 11m 24.74s , -18d 36m 24.7s) |   C |    60 | 18.3 |        
   77614 | 2021-01-18 08:31:55 |         MASTER-OAFA | (15h 08m 54.32s , -22d 37m 01.3s) |   C |    60 | 18.3 |        
   77693 | 2021-01-18 08:33:15 |         MASTER-OAFA | (15h 17m 32.84s , -22d 36m 14.7s) |   C |    60 | 18.3 |        
   77773 | 2021-01-18 08:34:34 |         MASTER-OAFA | (15h 13m 56.81s , -20d 37m 08.3s) |   C |    60 | 18.2 |        
   77852 | 2021-01-18 08:35:54 |         MASTER-OAFA | (15h 22m 20.22s , -20d 38m 21.0s) |   C |    60 | 18.2 |        
   77932 | 2021-01-18 08:37:13 |         MASTER-OAFA | (15h 19m 50.01s , -18d 38m 09.8s) |   C |    60 | 18.2 |        
   78091 | 2021-01-18 08:39:52 |         MASTER-OAFA | (15h 05m 22.39s , -20d 37m 41.2s) |   C |    60 | 18.0 |        
   78251 | 2021-01-18 08:42:33 |         MASTER-OAFA | (15h 10m 04.69s , -16d 36m 59.4s) |   C |    60 | 18.1 |        
   78490 | 2021-01-18 08:46:31 |         MASTER-OAFA | (15h 11m 25.90s , -18d 36m 16.2s) |   C |    60 | 17.7 |        
   78649 | 2021-01-18 08:49:11 |         MASTER-OAFA | (15h 17m 38.38s , -22d 37m 14.7s) |   C |    60 | 17.3 |        
   78808 | 2021-01-18 08:51:50 |         MASTER-OAFA | (15h 22m 23.50s , -20d 36m 27.4s) |   C |    60 | 17.2 |        
   78887 | 2021-01-18 08:53:09 |         MASTER-OAFA | (15h 19m 47.10s , -18d 37m 55.5s) |   C |    60 | 17.1 |        
   79205 | 2021-01-18 08:58:27 |         MASTER-OAFA | (15h 01m 38.44s , -16d 37m 49.6s) |   C |    60 | 17.0 |        
   79285 | 2021-01-18 08:59:47 |         MASTER-OAFA | (15h 10m 04.80s , -16d 37m 43.0s) |   C |    60 | 16.9 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 3671
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) started inspect of the FERMI GRB210117.46 (trigger No 632573937,15h 07m 04.80s , -20d 13m 48.0s, R=1.91) errorbox  70520 sec after notice time and 70580 sec after trigger time at 2021-01-18 06:35:12 UT, with upper limit up to  18.5 mag. The observations began at zenith distance = 68 deg. The sun  altitude  is -32.1 deg. 

The galactic latitude b = 32 deg., longitude l = 342 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1528013

We obtain a following upper limits.  

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

   70611 | 2021-01-18 06:35:12 |         MASTER-OAFA | (15h 00m 20.63s , -22d 36m 28.3s) |   C |    60 | 18.4 |        
   70770 | 2021-01-18 06:37:51 |         MASTER-OAFA | (14h 54m 35.90s , -18d 35m 58.9s) |   C |    60 | 18.4 |        
   73053 | 2021-01-18 07:15:55 |         MASTER-OAFA | (14h 56m 54.25s , -20d 36m 56.6s) |   C |    60 | 18.5 |        
   73541 | 2021-01-18 07:24:02 |         MASTER-OAFA | (15h 02m 58.03s , -18d 37m 34.8s) |   C |    60 | 18.4 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 3670
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) started inspect of the FERMI GRB210117.46 (trigger No 632573937,15h 07m 04.80s , -20d 13m 48.0s, R=1.91) errorbox  70520 sec after notice time and 70580 sec after trigger time at 2021-01-18 06:35:12 UT, with upper limit up to  18.5 mag. The observations began at zenith distance = 68 deg. The sun  altitude  is -32.1 deg. 

The galactic latitude b = 32 deg., longitude l = 342 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1528013

We obtain a following upper limits.  

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

   70611 | 2021-01-18 06:35:12 |         MASTER-OAFA | (15h 00m 20.63s , -22d 36m 28.3s) |   C |    60 | 18.4 |        
   70770 | 2021-01-18 06:37:51 |         MASTER-OAFA | (14h 54m 35.90s , -18d 35m 58.9s) |   C |    60 | 18.4 |        
   73053 | 2021-01-18 07:15:55 |         MASTER-OAFA | (14h 56m 54.25s , -20d 36m 56.6s) |   C |    60 | 18.5 |        
   73541 | 2021-01-18 07:24:02 |         MASTER-OAFA | (15h 02m 58.03s , -18d 37m 34.8s) |   C |    60 | 18.4 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 3669
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) started inspect of the FERMI GRB210117.46 (trigger No 632573937,15h 07m 04.80s , -20d 13m 48.0s, R=1.91) errorbox  70520 sec after notice time and 70580 sec after trigger time at 2021-01-18 06:35:12 UT, with upper limit up to  18.5 mag. The observations began at zenith distance = 68 deg. The sun  altitude  is -32.1 deg. 

The galactic latitude b = 32 deg., longitude l = 342 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1528013

We obtain a following upper limits.  

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

   70611 | 2021-01-18 06:35:12 |         MASTER-OAFA | (15h 00m 20.63s , -22d 36m 28.3s) |   C |    60 | 18.4 |        
   70770 | 2021-01-18 06:37:51 |         MASTER-OAFA | (14h 54m 35.90s , -18d 35m 58.9s) |   C |    60 | 18.4 |        
   73053 | 2021-01-18 07:15:55 |         MASTER-OAFA | (14h 56m 54.25s , -20d 36m 56.6s) |   C |    60 | 18.5 |        
   73541 | 2021-01-18 07:24:02 |         MASTER-OAFA | (15h 02m 58.03s , -18d 37m 34.8s) |   C |    60 | 18.4 |        
Filter C is a clear (unfiltred) band. 


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

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