MASTER Net MASTER Database: GRB211021.46 page

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

MASTER WFC:
Raw | Processing | Search
Single sets | Single images
SN | Asteroid | Transient | Comet

MASTER II:
Raw | Processing | Search by orbit elements | Search
SN | Asteroid | Transient | Two tube | Short transient | Tr. difference | Comet | Nova M31 | GRB | GRB_HPX | LIGO
Manual control | Planner | Planner Results | Planner NET

General:
SN list | Sky map | Add asteroid
Meteo | Focus | MASTER page
Users list | Users statistic | Logout

Search:

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


Name FERMI GRB211021.46
Trignum 656506979
Trigger time 2021-10-21 11:02:54.31
Notice time 2021-10-21 11:12:28.753019
Coord, eb (01h 51m 52.80s , +27d 04m 12.0s) , 5.45
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
1760065 2021-10-21 12:03:32.789644 01h 57m 36.00s +27d 12m 00.0s GFERMI 3.35261 alert 656506979 1 2001 alert
1760014 2021-10-21 11:12:29.798982 01h 51m 52.80s +27d 04m 12.0s FERMI 5.45 alert 656506979 6 115 alert
1760006 2021-10-21 11:03:54.356266 01h 42m 28.80s +26d 39m 00.0s FERMI 4.83 alert 656506979 4 112 alert
1759998 2021-10-21 11:03:29.832812 01h 50m 43.92s +26d 07m 01.2s FERMI 7.23 alert 656506979 7 111 alert

DAYS:

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

Synchronous WFC images
Distance datetime coord2000 observatory camera links
38.1 2021-10-21 11:02:30.997 00h 00m 00.00s +00d 00m 00.0s IAC 100627 Database IAC
38.1 2021-10-21 11:02:27.59 00h 00m 00.00s +00d 00m 00.0s IAC 111343 Database IAC
Errorbox center visibility at MASTER facilities
trigger notice notice+1hr now

2021-10-21 11:02:54 (JD 2459508.960347)

Siderial time 15.564040 h

Ra 01:51:52.80 Dec 27:04:12.00
( 27.970000d, 27.070000d)

Rise 2021-10-21 14:59:14

Transit 2021-10-22 00:19:14

Set 2021-10-21 09:43:12

Amur

Object: Altitude: 36.42 Azimuth: 270.21

Sun: Altitude: -25.58 Azimuth: 104.66

Moon: Altitude: 20.39 Azimuth: 275.90

Tunka

Object: Altitude: 21.51 Azimuth: 253.14

Sun: Altitude: -10.24 Azimuth: 85.58

Moon: Altitude: 5.22 Azimuth: 257.33

Kislovodsk

Object: Altitude: -13.90 Azimuth: 207.65

Sun: Altitude: 28.05 Azimuth: 36.61

Moon: Altitude: -30.62 Azimuth: 206.01

Tavrida

Object: Altitude: -15.47 Azimuth: 200.15

Sun: Altitude: 30.45 Azimuth: 27.48

Moon: Altitude: -31.91 Azimuth: 196.40

SAAO

Object: Altitude: -80.78 Azimuth: 302.93

Sun: Altitude: 66.24 Azimuth: 153.14

Moon: Altitude: -69.52 Azimuth: 357.28

IAC

Object: Altitude: -28.19 Azimuth: 151.04

Sun: Altitude: 43.21 Azimuth: 322.81

Moon: Altitude: -36.58 Azimuth: 133.77

Argentina

Object: Altitude: -20.63 Azimuth: 109.80

Sun: Altitude: 14.54 Azimuth: 273.78

Moon: Altitude: -6.95 Azimuth: 99.75

Mexico

Object: Altitude: 40.15 Azimuth: 100.78

Sun: Altitude: -31.58 Azimuth: 263.43

Moon: Altitude: 40.38 Azimuth: 78.72

Ural

Object: Altitude: 3.09 Azimuth: 221.04

Sun: Altitude: 11.03 Azimuth: 49.47

Moon: Altitude: -13.67 Azimuth: 220.03

Vostryakovo

Object: Altitude: -4.67 Azimuth: 202.78

Sun: Altitude: 19.92 Azimuth: 29.04

Moon: Altitude: -21.02 Azimuth: 198.87

Gal. latitude: -33.474112 Gal. longitude: 139.811777

Dist. to Sun: 163.576166

Dist. to Moon: 16.790448

Moon coord.: (35.680955 d, 11.920211 d)

Sun coord.: (205.973409 d, -10.754135 d)

Lunar disk: 0.993053

Lunar phase: 9.562047

Lunar bright limb: 84.004207

No SN in this field

2021-10-21 11:12:28 (JD 2459508.966991)

Siderial time 15.723921 h

Ra 01:51:52.80 Dec 27:04:12.00
( 27.970000d, 27.070000d)

Rise 2021-10-21 14:59:14

Transit 2021-10-22 00:19:14

Set 2021-10-21 09:43:12

Amur

Object: Altitude: 37.95 Azimuth: 272.07

Sun: Altitude: -27.06 Azimuth: 106.70

Moon: Altitude: 21.88 Azimuth: 277.73

Tunka

Object: Altitude: 22.94 Azimuth: 254.85

Sun: Altitude: -11.72 Azimuth: 87.44

Moon: Altitude: 6.65 Azimuth: 259.11

Kislovodsk

Object: Altitude: -13.07 Azimuth: 209.68

Sun: Altitude: 26.99 Azimuth: 38.97

Moon: Altitude: -29.82 Azimuth: 208.47

Tavrida

Object: Altitude: -14.85 Azimuth: 202.27

Sun: Altitude: 29.63 Azimuth: 30.03

Moon: Altitude: -31.38 Azimuth: 198.99

SAAO

Object: Altitude: -79.02 Azimuth: 296.05

Sun: Altitude: 65.25 Azimuth: 147.95

Moon: Altitude: -69.35 Azimuth: 350.83

IAC

Object: Altitude: -29.18 Azimuth: 153.20

Sun: Altitude: 44.44 Azimuth: 325.59

Moon: Altitude: -38.00 Azimuth: 135.99

Argentina

Object: Altitude: -22.55 Azimuth: 108.80

Sun: Altitude: 16.57 Azimuth: 272.56

Moon: Altitude: -8.91 Azimuth: 98.59

Mexico

Object: Altitude: 38.13 Azimuth: 101.69

Sun: Altitude: -29.54 Azimuth: 264.79

Moon: Altitude: 38.44 Azimuth: 80.26

Ural

Object: Altitude: 3.97 Azimuth: 222.99

Sun: Altitude: 10.02 Azimuth: 51.63

Moon: Altitude: -12.81 Azimuth: 222.20

Vostryakovo

Object: Altitude: -4.12 Azimuth: 204.85

Sun: Altitude: 19.23 Azimuth: 31.42

Moon: Altitude: -20.54 Azimuth: 201.24

Gal. latitude: -33.474112 Gal. longitude: 139.811777

Dist. to Sun: 163.579190

Dist. to Moon: 16.791797

Moon coord.: (35.756404 d, 11.952456 d)

Sun coord.: (205.979687 d, -10.756498 d)

Lunar disk: 0.992951

Lunar phase: 9.632200

Lunar bright limb: 83.885592

No SN in this field

2021-10-21 12:12:28 (JD 2459509.008657)

Siderial time 16.726659 h

Ra 01:51:52.80 Dec 27:04:12.00
( 27.970000d, 27.070000d)

Rise 2021-10-22 14:55:18

Transit 2021-10-23 00:15:19

Set 2021-10-22 09:39:16

Amur

Object: Altitude: 47.43 Azimuth: 284.99

Sun: Altitude: -35.83 Azimuth: 120.62

Moon: Altitude: 31.06 Azimuth: 289.94

Tunka

Object: Altitude: 32.09 Azimuth: 265.89

Sun: Altitude: -20.97 Azimuth: 99.41

Moon: Altitude: 15.76 Azimuth: 270.29

Kislovodsk

Object: Altitude: -6.73 Azimuth: 221.65

Sun: Altitude: 19.21 Azimuth: 52.60

Moon: Altitude: -23.50 Azimuth: 222.78

Tavrida

Object: Altitude: -9.73 Azimuth: 214.93

Sun: Altitude: 23.14 Azimuth: 44.81

Moon: Altitude: -26.53 Azimuth: 214.32

SAAO

Object: Altitude: -66.77 Azimuth: 276.38

Sun: Altitude: 56.32 Azimuth: 123.53

Moon: Altitude: -63.97 Azimuth: 316.90

IAC

Object: Altitude: -33.60 Azimuth: 168.02

Sun: Altitude: 49.92 Azimuth: 345.81

Moon: Altitude: -45.38 Azimuth: 152.38

Argentina

Object: Altitude: -34.85 Azimuth: 102.75

Sun: Altitude: 29.32 Azimuth: 264.49

Moon: Altitude: -21.34 Azimuth: 91.36

Mexico

Object: Altitude: 25.67 Azimuth: 107.46

Sun: Altitude: -16.71 Azimuth: 272.70

Moon: Altitude: 26.12 Azimuth: 88.77

Ural

Object: Altitude: 10.13 Azimuth: 234.97

Sun: Altitude: 3.08 Azimuth: 64.73

Moon: Altitude: -6.67 Azimuth: 235.25

Vostryakovo

Object: Altitude: 0.30 Azimuth: 217.49

Sun: Altitude: 13.91 Azimuth: 45.77

Moon: Altitude: -16.41 Azimuth: 215.63

Gal. latitude: -33.474112 Gal. longitude: 139.811777

Dist. to Sun: 163.598112

Dist. to Moon: 16.808797

Moon coord.: (36.229875 d, 12.154177 d)

Sun coord.: (206.019065 d, -10.771314 d)

Lunar disk: 0.992293

Lunar phase: 10.073199

Lunar bright limb: 83.185802

No SN in this field

2025-05-09 06:35:26 (JD 2460804.774606)

Siderial time 0.253990 h

Ra 01:51:52.80 Dec 27:04:12.00
( 27.970000d, 27.070000d)

Rise 2025-05-09 01:51:48

Transit 2025-05-09 11:11:48

Set 2025-05-09 20:31:48

Amur

Object: Altitude: 35.74 Azimuth: 90.61

Sun: Altitude: 39.84 Azimuth: 66.60

Moon: Altitude: -8.29 Azimuth: 268.93

Tunka

Object: Altitude: 50.48 Azimuth: 67.41

Sun: Altitude: 50.98 Azimuth: 36.62

Moon: Altitude: -22.99 Azimuth: 248.58

Kislovodsk

Object: Altitude: 67.21 Azimuth: 310.69

Sun: Altitude: 48.96 Azimuth: 298.08

Moon: Altitude: -51.93 Azimuth: 178.24

Tavrida

Object: Altitude: 61.65 Azimuth: 299.14

Sun: Altitude: 43.00 Azimuth: 290.47

Moon: Altitude: -50.07 Azimuth: 165.02

SAAO

Object: Altitude: 18.91 Azimuth: 218.11

Sun: Altitude: 14.74 Azimuth: 237.86

Moon: Altitude: -46.18 Azimuth: 33.85

IAC

Object: Altitude: 22.02 Azimuth: 250.14

Sun: Altitude: 2.73 Azimuth: 251.73

Moon: Altitude: -28.91 Azimuth: 99.71

Argentina

Object: Altitude: -47.51 Azimuth: 263.35

Sun: Altitude: -58.66 Azimuth: 290.10

Moon: Altitude: 22.45 Azimuth: 97.47

Mexico

Object: Altitude: -31.40 Azimuth: 188.18

Sun: Altitude: -40.60 Azimuth: 167.04

Moon: Altitude: 45.64 Azimuth: 38.61

Ural

Object: Altitude: 59.99 Azimuth: 356.02

Sun: Altitude: 47.49 Azimuth: 330.57

Moon: Altitude: -37.15 Azimuth: 200.04

Vostryakovo

Object: Altitude: 56.80 Azimuth: 318.65

Sun: Altitude: 40.38 Azimuth: 302.88

Moon: Altitude: -40.09 Azimuth: 172.44

Gal. latitude: -33.474112 Gal. longitude: 139.811777

Dist. to Sun: 19.350007

Dist. to Moon: 152.502827

Moon coord.: (189.803442 d, -5.692649 d)

Sun coord.: (46.087164 d, 17.351622 d)

Lunar disk: 0.898138

Lunar phase: 37.223978

Lunar bright limb: 291.323082

No SN in this field
Recent coverage and limits telegrams

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

  ID = 5165
TYPE = 35
DAYS = 2


MASTER-Tunka robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Applied Physics Institute, Irkutsk State University) started inspect of the FERMI GRB211021.46 (trigger No 656506979,01h 42m 28.80s , +26d 39m 00.0s, R=4.83) errorbox  60 sec after notice time and 89 sec after trigger time at 2021-10-21 11:04:24 UT, with upper limit up to  15.2 mag. Observations started at twilight.  The observations began at zenith distance = 68 deg. The sun  altitude  is -10.4 deg. 

MASTER-Kislovodsk robotic telescope  located in Russia (Lomonosov MSU, Kislovodsk Solar Station of Pulkovo observatory) started inspect of the FERMI GRB211021.46 errorbox  31776 sec after notice time and 31805 sec after trigger time at 2021-10-21 19:52:59 UT, with upper limit up to  18.8 mag. The observations began at zenith distance = 16 deg. The sun  altitude  is -55.1 deg. 

The galactic latitude b = -34 deg., longitude l = 138 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1760000

We obtain a following upper limits.  

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

      91 | 2021-10-21 11:04:24 |        MASTER-Tunka | (01h 42m 42.84s , +26d 26m 06.9s) |   C |     1 | 15.0 |        
      96 | 2021-10-21 11:04:29 |        MASTER-Tunka | (01h 42m 42.68s , +26d 26m 05.3s) |   C |     1 | 15.1 |        
     103 | 2021-10-21 11:04:36 |        MASTER-Tunka | (01h 42m 42.69s , +26d 26m 04.6s) |   C |     1 | 14.4 |        
     103 | 2021-10-21 11:04:36 |        MASTER-Tunka | (01h 45m 02.37s , +25d 16m 04.0s) |   C |     1 | 12.2 |        
     109 | 2021-10-21 11:04:42 |        MASTER-Tunka | (01h 42m 42.67s , +26d 26m 05.3s) |   C |     1 | 14.6 |        
     116 | 2021-10-21 11:04:49 |        MASTER-Tunka | (01h 42m 42.67s , +26d 26m 04.6s) |   C |     1 | 14.7 |        
     123 | 2021-10-21 11:04:56 |        MASTER-Tunka | (01h 42m 42.72s , +26d 26m 04.7s) |   C |     1 | 14.6 |        
     133 | 2021-10-21 11:05:06 |        MASTER-Tunka | (01h 42m 42.68s , +26d 26m 05.9s) |   C |     1 | 14.9 |        
     138 | 2021-10-21 11:05:11 |        MASTER-Tunka | (01h 42m 42.75s , +26d 26m 04.8s) |   C |     1 | 15.1 |        
     144 | 2021-10-21 11:05:17 |        MASTER-Tunka | (01h 42m 42.81s , +26d 26m 04.8s) |   C |     1 | 14.7 |        
     151 | 2021-10-21 11:05:24 |        MASTER-Tunka | (01h 42m 42.72s , +26d 26m 04.8s) |   C |     1 | 14.8 |        
     158 | 2021-10-21 11:05:31 |        MASTER-Tunka | (01h 42m 42.79s , +26d 26m 04.1s) |   C |     1 | 14.7 |        
     164 | 2021-10-21 11:05:37 |        MASTER-Tunka | (01h 42m 42.69s , +26d 26m 04.9s) |   C |     1 | 14.8 |        
     171 | 2021-10-21 11:05:44 |        MASTER-Tunka | (01h 42m 42.74s , +26d 26m 04.8s) |   C |     1 | 14.8 |        
     177 | 2021-10-21 11:05:50 |        MASTER-Tunka | (01h 42m 42.75s , +26d 26m 05.6s) |   C |     1 | 15.1 |        
     185 | 2021-10-21 11:05:58 |        MASTER-Tunka | (01h 42m 42.76s , +26d 26m 04.5s) |   C |     1 | 14.8 |        
     192 | 2021-10-21 11:06:05 |        MASTER-Tunka | (01h 42m 42.82s , +26d 26m 05.2s) |   C |     1 | 14.6 |        
     199 | 2021-10-21 11:06:11 |        MASTER-Tunka | (01h 42m 42.77s , +26d 26m 05.5s) |   C |     1 | 14.7 |        
     206 | 2021-10-21 11:06:19 |        MASTER-Tunka | (01h 42m 42.76s , +26d 26m 06.3s) |   C |     1 | 14.7 |        
     212 | 2021-10-21 11:06:25 |        MASTER-Tunka | (01h 42m 42.83s , +26d 26m 04.0s) |   C |     1 | 14.9 |        
     219 | 2021-10-21 11:06:32 |        MASTER-Tunka | (01h 42m 42.85s , +26d 26m 05.8s) |   C |     1 | 15.1 |        
     226 | 2021-10-21 11:06:39 |        MASTER-Tunka | (01h 45m 01.53s , +25d 16m 47.9s) |   C |     1 | 12.3 |        
     226 | 2021-10-21 11:06:39 |        MASTER-Tunka | (01h 42m 42.86s , +26d 26m 05.0s) |   C |     1 | 14.8 |        
     235 | 2021-10-21 11:06:48 |        MASTER-Tunka | (01h 42m 42.91s , +26d 26m 06.3s) |   C |     1 | 14.8 |        
     242 | 2021-10-21 11:06:54 |        MASTER-Tunka | (01h 42m 42.88s , +26d 26m 05.3s) |   C |     1 | 14.8 |        
     247 | 2021-10-21 11:07:00 |        MASTER-Tunka | (01h 42m 42.83s , +26d 26m 05.0s) |   C |     1 | 14.8 |        
     254 | 2021-10-21 11:07:07 |        MASTER-Tunka | (01h 42m 42.91s , +26d 26m 05.9s) |   C |     1 | 15.1 |        
     260 | 2021-10-21 11:07:13 |        MASTER-Tunka | (01h 42m 42.93s , +26d 26m 05.1s) |   C |     1 | 15.0 |        
     268 | 2021-10-21 11:07:21 |        MASTER-Tunka | (01h 42m 42.89s , +26d 26m 05.7s) |   C |     1 | 15.1 |        
     275 | 2021-10-21 11:07:28 |        MASTER-Tunka | (01h 42m 42.84s , +26d 26m 05.9s) |   C |     1 | 15.1 |        
     283 | 2021-10-21 11:07:36 |        MASTER-Tunka | (01h 42m 42.91s , +26d 26m 07.3s) |   C |     1 | 15.1 |        
     290 | 2021-10-21 11:07:43 |        MASTER-Tunka | (01h 42m 42.93s , +26d 26m 05.2s) |   C |     1 | 15.1 |        
     296 | 2021-10-21 11:07:49 |        MASTER-Tunka | (01h 42m 42.92s , +26d 26m 07.3s) |   C |     1 | 15.1 |        
     303 | 2021-10-21 11:07:56 |        MASTER-Tunka | (01h 42m 42.87s , +26d 26m 05.7s) |   C |     1 | 14.7 |        
     607 | 2021-10-21 11:13:00 |        MASTER-Tunka | (01h 54m 28.30s , +25d 41m 32.3s) |   C |     1 | 12.3 |        
     607 | 2021-10-21 11:13:00 |        MASTER-Tunka | (01h 52m 08.92s , +26d 51m 28.7s) |   C |     1 | 15.3 |        
     656 | 2021-10-21 11:13:49 |        MASTER-Tunka | (01h 52m 08.70s , +26d 51m 26.6s) |   C |     1 | 15.0 |        
     663 | 2021-10-21 11:13:56 |        MASTER-Tunka | (01h 52m 08.66s , +26d 51m 26.5s) |   C |     1 | 15.0 |        
     671 | 2021-10-21 11:14:04 |        MASTER-Tunka | (01h 52m 08.72s , +26d 51m 28.5s) |   C |     1 | 15.0 |        
    3789 | 2021-10-21 12:05:55 |        MASTER-Tunka | (01h 59m 56.24s , +25d 50m 45.7s) |   C |    15 | 12.8 |        
    3809 | 2021-10-21 12:06:15 |        MASTER-Tunka | (01h 59m 57.21s , +25d 50m 00.3s) |   C |    15 | 13.4 |        
   31896 | 2021-10-21 19:52:59 |   MASTER-Kislovodsk | (01h 32m 51.02s , +30d 39m 41.1s) |   C |   180 | 18.7 |        
   31896 | 2021-10-21 19:52:59 |   MASTER-Kislovodsk | (01h 32m 33.07s , +31d 04m 00.6s) |   C |   180 | 17.6 |        
   32096 | 2021-10-21 19:56:20 |   MASTER-Kislovodsk | (01h 32m 40.04s , +31d 02m 54.8s) |   C |   180 | 13.9 |        
   32096 | 2021-10-21 19:56:20 |   MASTER-Kislovodsk | (01h 32m 57.99s , +30d 38m 35.6s) |   C |   180 | 18.8 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 5164
TYPE = 35
DAYS = 1


MASTER-Tunka robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Applied Physics Institute, Irkutsk State University) started inspect of the FERMI GRB211021.46 (trigger No 656506979,01h 42m 28.80s , +26d 39m 00.0s, R=4.83) errorbox  60 sec after notice time and 89 sec after trigger time at 2021-10-21 11:04:24 UT, with upper limit up to  15.2 mag. Observations started at twilight.  The observations began at zenith distance = 68 deg. The sun  altitude  is -10.4 deg. 

The galactic latitude b = -34 deg., longitude l = 138 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1760000

We obtain a following upper limits.  

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

      91 | 2021-10-21 11:04:24 |        MASTER-Tunka | (01h 42m 42.84s , +26d 26m 06.9s) |   C |     1 | 15.0 |        
      96 | 2021-10-21 11:04:29 |        MASTER-Tunka | (01h 42m 42.68s , +26d 26m 05.3s) |   C |     1 | 15.1 |        
     103 | 2021-10-21 11:04:36 |        MASTER-Tunka | (01h 42m 42.69s , +26d 26m 04.6s) |   C |     1 | 14.4 |        
     103 | 2021-10-21 11:04:36 |        MASTER-Tunka | (01h 45m 02.37s , +25d 16m 04.0s) |   C |     1 | 12.2 |        
     109 | 2021-10-21 11:04:42 |        MASTER-Tunka | (01h 42m 42.67s , +26d 26m 05.3s) |   C |     1 | 14.6 |        
     116 | 2021-10-21 11:04:49 |        MASTER-Tunka | (01h 42m 42.67s , +26d 26m 04.6s) |   C |     1 | 14.7 |        
     123 | 2021-10-21 11:04:56 |        MASTER-Tunka | (01h 42m 42.72s , +26d 26m 04.7s) |   C |     1 | 14.6 |        
     133 | 2021-10-21 11:05:06 |        MASTER-Tunka | (01h 42m 42.68s , +26d 26m 05.9s) |   C |     1 | 14.9 |        
     138 | 2021-10-21 11:05:11 |        MASTER-Tunka | (01h 42m 42.75s , +26d 26m 04.8s) |   C |     1 | 15.1 |        
     144 | 2021-10-21 11:05:17 |        MASTER-Tunka | (01h 42m 42.81s , +26d 26m 04.8s) |   C |     1 | 14.7 |        
     151 | 2021-10-21 11:05:24 |        MASTER-Tunka | (01h 42m 42.72s , +26d 26m 04.8s) |   C |     1 | 14.8 |        
     158 | 2021-10-21 11:05:31 |        MASTER-Tunka | (01h 42m 42.79s , +26d 26m 04.1s) |   C |     1 | 14.7 |        
     164 | 2021-10-21 11:05:37 |        MASTER-Tunka | (01h 42m 42.69s , +26d 26m 04.9s) |   C |     1 | 14.8 |        
     171 | 2021-10-21 11:05:44 |        MASTER-Tunka | (01h 42m 42.74s , +26d 26m 04.8s) |   C |     1 | 14.8 |        
     177 | 2021-10-21 11:05:50 |        MASTER-Tunka | (01h 42m 42.75s , +26d 26m 05.6s) |   C |     1 | 15.1 |        
     185 | 2021-10-21 11:05:58 |        MASTER-Tunka | (01h 42m 42.76s , +26d 26m 04.5s) |   C |     1 | 14.8 |        
     192 | 2021-10-21 11:06:05 |        MASTER-Tunka | (01h 42m 42.82s , +26d 26m 05.2s) |   C |     1 | 14.6 |        
     199 | 2021-10-21 11:06:11 |        MASTER-Tunka | (01h 42m 42.77s , +26d 26m 05.5s) |   C |     1 | 14.7 |        
     206 | 2021-10-21 11:06:19 |        MASTER-Tunka | (01h 42m 42.76s , +26d 26m 06.3s) |   C |     1 | 14.7 |        
     212 | 2021-10-21 11:06:25 |        MASTER-Tunka | (01h 42m 42.83s , +26d 26m 04.0s) |   C |     1 | 14.9 |        
     219 | 2021-10-21 11:06:32 |        MASTER-Tunka | (01h 42m 42.85s , +26d 26m 05.8s) |   C |     1 | 15.1 |        
     226 | 2021-10-21 11:06:39 |        MASTER-Tunka | (01h 45m 01.53s , +25d 16m 47.9s) |   C |     1 | 12.3 |        
     226 | 2021-10-21 11:06:39 |        MASTER-Tunka | (01h 42m 42.86s , +26d 26m 05.0s) |   C |     1 | 14.8 |        
     235 | 2021-10-21 11:06:48 |        MASTER-Tunka | (01h 42m 42.91s , +26d 26m 06.3s) |   C |     1 | 14.8 |        
     242 | 2021-10-21 11:06:54 |        MASTER-Tunka | (01h 42m 42.88s , +26d 26m 05.3s) |   C |     1 | 14.8 |        
     247 | 2021-10-21 11:07:00 |        MASTER-Tunka | (01h 42m 42.83s , +26d 26m 05.0s) |   C |     1 | 14.8 |        
     254 | 2021-10-21 11:07:07 |        MASTER-Tunka | (01h 42m 42.91s , +26d 26m 05.9s) |   C |     1 | 15.1 |        
     260 | 2021-10-21 11:07:13 |        MASTER-Tunka | (01h 42m 42.93s , +26d 26m 05.1s) |   C |     1 | 15.0 |        
     268 | 2021-10-21 11:07:21 |        MASTER-Tunka | (01h 42m 42.89s , +26d 26m 05.7s) |   C |     1 | 15.1 |        
     275 | 2021-10-21 11:07:28 |        MASTER-Tunka | (01h 42m 42.84s , +26d 26m 05.9s) |   C |     1 | 15.1 |        
     283 | 2021-10-21 11:07:36 |        MASTER-Tunka | (01h 42m 42.91s , +26d 26m 07.3s) |   C |     1 | 15.1 |        
     290 | 2021-10-21 11:07:43 |        MASTER-Tunka | (01h 42m 42.93s , +26d 26m 05.2s) |   C |     1 | 15.1 |        
     296 | 2021-10-21 11:07:49 |        MASTER-Tunka | (01h 42m 42.92s , +26d 26m 07.3s) |   C |     1 | 15.1 |        
     303 | 2021-10-21 11:07:56 |        MASTER-Tunka | (01h 42m 42.87s , +26d 26m 05.7s) |   C |     1 | 14.7 |        
     607 | 2021-10-21 11:13:00 |        MASTER-Tunka | (01h 54m 28.30s , +25d 41m 32.3s) |   C |     1 | 12.3 |        
     607 | 2021-10-21 11:13:00 |        MASTER-Tunka | (01h 52m 08.92s , +26d 51m 28.7s) |   C |     1 | 15.3 |        
     656 | 2021-10-21 11:13:49 |        MASTER-Tunka | (01h 52m 08.70s , +26d 51m 26.6s) |   C |     1 | 15.0 |        
     663 | 2021-10-21 11:13:56 |        MASTER-Tunka | (01h 52m 08.66s , +26d 51m 26.5s) |   C |     1 | 15.0 |        
     671 | 2021-10-21 11:14:04 |        MASTER-Tunka | (01h 52m 08.72s , +26d 51m 28.5s) |   C |     1 | 15.0 |        
    3789 | 2021-10-21 12:05:55 |        MASTER-Tunka | (01h 59m 56.24s , +25d 50m 45.7s) |   C |    15 | 12.8 |        
    3809 | 2021-10-21 12:06:15 |        MASTER-Tunka | (01h 59m 57.21s , +25d 50m 00.3s) |   C |    15 | 13.4 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 5163
TYPE = 35
DAYS = 0


MASTER-Tunka robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Applied Physics Institute, Irkutsk State University) started inspect of the FERMI GRB211021.46 (trigger No 656506979,01h 51m 52.80s , +27d 04m 12.0s, R=5.45) errorbox  60 sec after notice time and 89 sec after trigger time at 2021-10-21 11:04:24 UT, with upper limit up to  15.1 mag. Observations started at twilight.  The observations began at zenith distance = 68 deg. The sun  altitude  is -10.4 deg. 

The galactic latitude b = -33 deg., longitude l = 140 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1760013

We obtain a following upper limits.  

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

      91 | 2021-10-21 11:04:24 |        MASTER-Tunka | (01h 42m 42.84s , +26d 26m 06.9s) |   C |     1 | 15.0 |        
      96 | 2021-10-21 11:04:29 |        MASTER-Tunka | (01h 42m 42.68s , +26d 26m 05.3s) |   C |     1 | 15.1 |        
     103 | 2021-10-21 11:04:36 |        MASTER-Tunka | (01h 42m 42.69s , +26d 26m 04.6s) |   C |     1 | 14.4 |        
     103 | 2021-10-21 11:04:36 |        MASTER-Tunka | (01h 45m 02.37s , +25d 16m 04.0s) |   C |     1 | 12.2 |        
     109 | 2021-10-21 11:04:42 |        MASTER-Tunka | (01h 42m 42.67s , +26d 26m 05.3s) |   C |     1 | 14.6 |        
     116 | 2021-10-21 11:04:49 |        MASTER-Tunka | (01h 42m 42.67s , +26d 26m 04.6s) |   C |     1 | 14.7 |        
     123 | 2021-10-21 11:04:56 |        MASTER-Tunka | (01h 42m 42.72s , +26d 26m 04.7s) |   C |     1 | 14.6 |        
     133 | 2021-10-21 11:05:06 |        MASTER-Tunka | (01h 42m 42.68s , +26d 26m 05.9s) |   C |     1 | 14.9 |        
     138 | 2021-10-21 11:05:11 |        MASTER-Tunka | (01h 42m 42.75s , +26d 26m 04.8s) |   C |     1 | 15.1 |        
     144 | 2021-10-21 11:05:17 |        MASTER-Tunka | (01h 42m 42.81s , +26d 26m 04.8s) |   C |     1 | 14.7 |        
     151 | 2021-10-21 11:05:24 |        MASTER-Tunka | (01h 42m 42.72s , +26d 26m 04.8s) |   C |     1 | 14.8 |        
     158 | 2021-10-21 11:05:31 |        MASTER-Tunka | (01h 42m 42.79s , +26d 26m 04.1s) |   C |     1 | 14.7 |        
     164 | 2021-10-21 11:05:37 |        MASTER-Tunka | (01h 42m 42.69s , +26d 26m 04.9s) |   C |     1 | 14.8 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 5162
TYPE = 35
DAYS = 0


MASTER-Tunka robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Applied Physics Institute, Irkutsk State University) started inspect of the FERMI GRB211021.46 (trigger No 656506979,01h 51m 52.80s , +27d 04m 12.0s, R=5.45) errorbox  60 sec after notice time and 89 sec after trigger time at 2021-10-21 11:04:24 UT, with upper limit up to  15.1 mag. Observations started at twilight.  The observations began at zenith distance = 68 deg. The sun  altitude  is -10.4 deg. 

The galactic latitude b = -33 deg., longitude l = 140 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1760013

We obtain a following upper limits.  

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

      91 | 2021-10-21 11:04:24 |        MASTER-Tunka | (01h 42m 42.84s , +26d 26m 06.9s) |   C |     1 | 15.0 |        
      96 | 2021-10-21 11:04:29 |        MASTER-Tunka | (01h 42m 42.68s , +26d 26m 05.3s) |   C |     1 | 15.1 |        
     103 | 2021-10-21 11:04:36 |        MASTER-Tunka | (01h 42m 42.69s , +26d 26m 04.6s) |   C |     1 | 14.4 |        
     103 | 2021-10-21 11:04:36 |        MASTER-Tunka | (01h 45m 02.37s , +25d 16m 04.0s) |   C |     1 | 12.2 |        
     109 | 2021-10-21 11:04:42 |        MASTER-Tunka | (01h 42m 42.67s , +26d 26m 05.3s) |   C |     1 | 14.6 |        
     116 | 2021-10-21 11:04:49 |        MASTER-Tunka | (01h 42m 42.67s , +26d 26m 04.6s) |   C |     1 | 14.7 |        
     123 | 2021-10-21 11:04:56 |        MASTER-Tunka | (01h 42m 42.72s , +26d 26m 04.7s) |   C |     1 | 14.6 |        
     133 | 2021-10-21 11:05:06 |        MASTER-Tunka | (01h 42m 42.68s , +26d 26m 05.9s) |   C |     1 | 14.9 |        
     138 | 2021-10-21 11:05:11 |        MASTER-Tunka | (01h 42m 42.75s , +26d 26m 04.8s) |   C |     1 | 15.1 |        
     144 | 2021-10-21 11:05:17 |        MASTER-Tunka | (01h 42m 42.81s , +26d 26m 04.8s) |   C |     1 | 14.7 |        
     151 | 2021-10-21 11:05:24 |        MASTER-Tunka | (01h 42m 42.72s , +26d 26m 04.8s) |   C |     1 | 14.8 |        
     158 | 2021-10-21 11:05:31 |        MASTER-Tunka | (01h 42m 42.79s , +26d 26m 04.1s) |   C |     1 | 14.7 |        
     164 | 2021-10-21 11:05:37 |        MASTER-Tunka | (01h 42m 42.69s , +26d 26m 04.9s) |   C |     1 | 14.8 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 5161
TYPE = 34
DAYS = 0


MASTER-Tunka robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Applied Physics Institute, Irkutsk State University) started inspect of the FERMI GRB211021.46 (trigger No 656506979,01h 51m 52.80s , +27d 04m 12.0s, R=5.45) errorbox  60 sec after notice time and 89 sec after trigger time at 2021-10-21 11:04:24 UT, with upper limit up to  15.1 mag. Observations started at twilight.  The observations began at zenith distance = 68 deg. The sun  altitude  is -10.4 deg. 

The galactic latitude b = -33 deg., longitude l = 140 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1760013

We obtain a following upper limits.  

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

      91 | 2021-10-21 11:04:24 |        MASTER-Tunka | (01h 42m 42.84s , +26d 26m 06.9s) |   C |     1 | 15.0 |        
      96 | 2021-10-21 11:04:29 |        MASTER-Tunka | (01h 42m 42.68s , +26d 26m 05.3s) |   C |     1 | 15.1 |        
     103 | 2021-10-21 11:04:36 |        MASTER-Tunka | (01h 42m 42.69s , +26d 26m 04.6s) |   C |     1 | 14.4 |        
     103 | 2021-10-21 11:04:36 |        MASTER-Tunka | (01h 45m 02.37s , +25d 16m 04.0s) |   C |     1 | 12.2 |        
     109 | 2021-10-21 11:04:42 |        MASTER-Tunka | (01h 42m 42.67s , +26d 26m 05.3s) |   C |     1 | 14.6 |        
     116 | 2021-10-21 11:04:49 |        MASTER-Tunka | (01h 42m 42.67s , +26d 26m 04.6s) |   C |     1 | 14.7 |        
     123 | 2021-10-21 11:04:56 |        MASTER-Tunka | (01h 42m 42.72s , +26d 26m 04.7s) |   C |     1 | 14.6 |        
     133 | 2021-10-21 11:05:06 |        MASTER-Tunka | (01h 42m 42.68s , +26d 26m 05.9s) |   C |     1 | 14.9 |        
     138 | 2021-10-21 11:05:11 |        MASTER-Tunka | (01h 42m 42.75s , +26d 26m 04.8s) |   C |     1 | 15.1 |        
     144 | 2021-10-21 11:05:17 |        MASTER-Tunka | (01h 42m 42.81s , +26d 26m 04.8s) |   C |     1 | 14.7 |        
     151 | 2021-10-21 11:05:24 |        MASTER-Tunka | (01h 42m 42.72s , +26d 26m 04.8s) |   C |     1 | 14.8 |        
     158 | 2021-10-21 11:05:31 |        MASTER-Tunka | (01h 42m 42.79s , +26d 26m 04.1s) |   C |     1 | 14.7 |        
     164 | 2021-10-21 11:05:37 |        MASTER-Tunka | (01h 42m 42.69s , +26d 26m 04.9s) |   C |     1 | 14.8 |        
Filter C is a clear (unfiltred) band. 


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

MASTER, 2002-2025