MASTER Net MASTER Database: LIGO alert

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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Name FERMI GRB240821.78
Type 2
Trigger time 2024-08-21 18:36:02.6
Notice time 2024-08-21 18:38:37.718307
Distance ± Mpc
BNS BHH NSBH Gap Terr
Galaxy in: 50%
90%
FULL

This work was supported by RFBR BRICS 17-52-80133 grant.
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)

DAYS:
Coverage since triggertime up to

ALL PLOTS
datetime T - Trig [h] T - Not [h] Area [sq. deg]
Box 50% 90% FULL
[%] 87.2 72.2 74.9
2024-09-04 18:36:02 336.0 336.0 499.4

Map with WFC

Discoveries in this field
No discoveries yet!

Synchronous WFC images
datetime coord2000 observatory camera links
2024-08-21 18:34:34.512 00h 00m 00.00s +00d 00m 00.0s Amur 29009 Database Amur
2024-08-21 18:34:36.682 00h 00m 00.00s +00d 00m 00.0s SAAO 111341 Database SAAO
Errorbox center visibility at MASTER facilities
SELECT set_sphere_output('HMS'); select set_sphere_output_precision(1); select distinct on (gn) get_grb_name2 (grbtime, satel ) as gn, coord2000, satel, errorbox, 'now'::timestamp,'now'::timestamp+'1 hour'::interval,grbtime+'1 hour'::interval from grb where tabs(grbtime-'2024-08-21 18:36:02.6')<'10 minutes'::interval order by gn,seq desc,errorbox asc;
trigger notice notice+1hr now

2024-08-21 18:36:02 (JD 2460544.275023)

Siderial time 19.146608 h

Ra 21:13:36.70 Dec -58:39:14.80
(318.402917d, -58.654111d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: -28.98 Azimuth: 30.52

Sun: Altitude: -15.96 Azimuth: 227.15

Moon: Altitude: 35.01 Azimuth: 24.11

Tunka

Object: Altitude: -23.91 Azimuth: 18.68

Sun: Altitude: -23.61 Azimuth: 203.22

Moon: Altitude: 35.98 Azimuth: 354.00

Kislovodsk

Object: Altitude: -14.69 Azimuth: 346.22

Sun: Altitude: -24.08 Azimuth: 137.72

Moon: Altitude: 16.01 Azimuth: 289.04

Tavrida

Object: Altitude: -17.31 Azimuth: 341.88

Sun: Altitude: -19.01 Azimuth: 130.38

Moon: Altitude: 9.88 Azimuth: 282.93

SAAO

Object: Altitude: 48.70 Azimuth: 324.14

Sun: Altitude: -31.06 Azimuth: 84.41

Moon: Altitude: 3.54 Azimuth: 270.19

IAC

Object: Altitude: -21.57 Azimuth: 326.12

Sun: Altitude: 12.49 Azimuth: 96.90

Moon: Altitude: -30.96 Azimuth: 254.00

Argentina

Object: Altitude: 6.94 Azimuth: 339.53

Sun: Altitude: 38.10 Azimuth: 142.56

Moon: Altitude: -56.05 Azimuth: 355.07

Mexico

Object: Altitude: -62.39 Azimuth: 359.11

Sun: Altitude: 67.95 Azimuth: 327.82

Moon: Altitude: -43.65 Azimuth: 121.11

Ural

Object: Altitude: -25.93 Azimuth: 354.65

Sun: Altitude: -18.75 Azimuth: 157.37

Moon: Altitude: 19.34 Azimuth: 307.65

Vostryakovo

Object: Altitude: -26.71 Azimuth: 342.54

Sun: Altitude: -13.49 Azimuth: 136.06

Moon: Altitude: 9.42 Azimuth: 287.71

Gal. latitude: -41.720064 Gal. longitude: 337.245842

Dist. to Sun: 132.271100

Dist. to Moon: 64.277468

Moon coord.: (357.503404 d, -2.051515 d)

Sun coord.: (150.986285 d, 11.879261 d)

Lunar disk: 0.941544

Lunar phase: 27.982898

Lunar bright limb: 68.242420

No SN in this field

2024-08-21 18:38:37 (JD 2460544.276817)

Siderial time 19.189782 h

Ra 21:13:36.70 Dec -58:39:14.80
(318.402917d, -58.654111d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: -29.19 Azimuth: 30.83

Sun: Altitude: -15.66 Azimuth: 227.73

Moon: Altitude: 34.86 Azimuth: 24.85

Tunka

Object: Altitude: -24.04 Azimuth: 19.02

Sun: Altitude: -23.45 Azimuth: 203.88

Moon: Altitude: 36.03 Azimuth: 354.77

Kislovodsk

Object: Altitude: -14.58 Azimuth: 346.54

Sun: Altitude: -24.39 Azimuth: 138.32

Moon: Altitude: 16.44 Azimuth: 289.50

Tavrida

Object: Altitude: -17.17 Azimuth: 342.20

Sun: Altitude: -19.36 Azimuth: 130.94

Moon: Altitude: 10.32 Azimuth: 283.38

SAAO

Object: Altitude: 49.02 Azimuth: 324.30

Sun: Altitude: -31.61 Azimuth: 84.03

Moon: Altitude: 4.06 Azimuth: 269.84

IAC

Object: Altitude: -21.25 Azimuth: 326.24

Sun: Altitude: 11.92 Azimuth: 97.19

Moon: Altitude: -30.43 Azimuth: 254.37

Argentina

Object: Altitude: 7.13 Azimuth: 339.26

Sun: Altitude: 37.76 Azimuth: 141.88

Moon: Altitude: -56.01 Azimuth: 353.96

Mexico

Object: Altitude: -62.38 Azimuth: 358.38

Sun: Altitude: 68.24 Azimuth: 329.33

Moon: Altitude: -44.10 Azimuth: 121.71

Ural

Object: Altitude: -25.89 Azimuth: 355.02

Sun: Altitude: -18.88 Azimuth: 158.02

Moon: Altitude: 19.62 Azimuth: 308.24

Vostryakovo

Object: Altitude: -26.61 Azimuth: 342.90

Sun: Altitude: -13.74 Azimuth: 136.65

Moon: Altitude: 9.77 Azimuth: 288.24

Gal. latitude: -41.720064 Gal. longitude: 337.245842

Dist. to Sun: 132.270258

Dist. to Moon: 64.298028

Moon coord.: (357.527034 d, -2.038675 d)

Sun coord.: (150.987939 d, 11.878660 d)

Lunar disk: 0.941442

Lunar phase: 28.007813

Lunar bright limb: 68.235756

No SN in this field

2024-08-21 19:38:37 (JD 2460544.318484)

Siderial time 20.192520 h

Ra 21:13:36.70 Dec -58:39:14.80
(318.402917d, -58.654111d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: -34.59 Azimuth: 37.48

Sun: Altitude: -7.92 Azimuth: 240.48

Moon: Altitude: 30.10 Azimuth: 41.10

Tunka

Object: Altitude: -27.66 Azimuth: 26.71

Sun: Altitude: -18.64 Azimuth: 218.76

Moon: Altitude: 35.75 Azimuth: 12.67

Kislovodsk

Object: Altitude: -12.78 Azimuth: 354.36

Sun: Altitude: -30.50 Azimuth: 153.38

Moon: Altitude: 26.13 Azimuth: 301.09

Tavrida

Object: Altitude: -14.59 Azimuth: 349.86

Sun: Altitude: -26.52 Azimuth: 144.87

Moon: Altitude: 20.28 Azimuth: 294.31

SAAO

Object: Altitude: 55.96 Azimuth: 330.21

Sun: Altitude: -44.03 Azimuth: 74.07

Moon: Altitude: 16.09 Azimuth: 261.63

IAC

Object: Altitude: -14.21 Azimuth: 329.79

Sun: Altitude: -1.06 Azimuth: 104.09

Moon: Altitude: -17.79 Azimuth: 262.15

Argentina

Object: Altitude: 12.29 Azimuth: 333.31

Sun: Altitude: 28.73 Azimuth: 128.00

Moon: Altitude: -52.42 Azimuth: 329.81

Mexico

Object: Altitude: -60.21 Azimuth: 342.72

Sun: Altitude: 70.48 Azimuth: 11.37

Moon: Altitude: -53.40 Azimuth: 138.69

Ural

Object: Altitude: -25.80 Azimuth: 3.70

Sun: Altitude: -20.91 Azimuth: 173.49

Moon: Altitude: 25.42 Azimuth: 322.63

Vostryakovo

Object: Altitude: -24.70 Azimuth: 351.30

Sun: Altitude: -18.78 Azimuth: 151.02

Moon: Altitude: 17.50 Azimuth: 300.85

Gal. latitude: -41.720064 Gal. longitude: 337.245842

Dist. to Sun: 132.250692

Dist. to Moon: 64.776187

Moon coord.: (358.075679 d, -1.740384 d)

Sun coord.: (151.026367 d, 11.864696 d)

Lunar disk: 0.939048

Lunar phase: 28.586478

Lunar bright limb: 68.085445

No SN in this field

2024-12-30 16:36:27 (JD 2460675.191979)

Siderial time 1.756083 h

Ra 21:13:36.70 Dec -58:39:14.80
(318.402917d, -58.654111d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: -74.76 Azimuth: 48.37

Sun: Altitude: -60.00 Azimuth: 211.00

Moon: Altitude: -63.57 Azimuth: 220.67

Tunka

Object: Altitude: -63.15 Azimuth: 56.82

Sun: Altitude: -60.64 Azimuth: 164.57

Moon: Altitude: -66.14 Azimuth: 168.64

Kislovodsk

Object: Altitude: -28.66 Azimuth: 34.51

Sun: Altitude: -30.86 Azimuth: 86.48

Moon: Altitude: -36.09 Azimuth: 83.47

Tavrida

Object: Altitude: -26.17 Azimuth: 31.50

Sun: Altitude: -24.91 Azimuth: 81.39

Moon: Altitude: -30.22 Azimuth: 78.78

SAAO

Object: Altitude: 47.14 Azimuth: 36.55

Sun: Altitude: 12.47 Azimuth: 70.36

Moon: Altitude: 12.74 Azimuth: 64.43

IAC

Object: Altitude: 2.29 Azimuth: 7.14

Sun: Altitude: 18.01 Azimuth: 49.89

Moon: Altitude: 12.57 Azimuth: 47.84

Argentina

Object: Altitude: 52.53 Azimuth: 327.44

Sun: Altitude: 81.32 Azimuth: 183.33

Moon: Altitude: 85.89 Azimuth: 148.73

Mexico

Object: Altitude: -21.32 Azimuth: 326.63

Sun: Altitude: 22.73 Azimuth: 318.55

Moon: Altitude: 20.18 Azimuth: 324.13

Ural

Object: Altitude: -45.71 Azimuth: 48.16

Sun: Altitude: -39.78 Azimuth: 110.15

Moon: Altitude: -45.53 Azimuth: 109.15

Vostryakovo

Object: Altitude: -36.35 Azimuth: 36.83

Sun: Altitude: -28.19 Azimuth: 89.54

Moon: Altitude: -33.87 Azimuth: 88.17

Gal. latitude: -41.720064 Gal. longitude: 337.245842

Dist. to Sun: 44.757177

Dist. to Moon: 41.578950

Moon coord.: (276.978260 d, -28.270666 d)

Sun coord.: (279.942139 d, -23.131816 d)

Lunar disk: 0.002559

Lunar phase: 174.200263

Lunar bright limb: 28.699825

No SN in this field
Recent coverage and limits telegrams
#######################################################################################
#######################################################################################

  ID = 11142
TYPE = 35
DAYS = 2


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) started inspect of the FERMI GRB 240821A ( Fermi GBM team, GCN 37219) errorbox  1 days 11047 sec after notice time and 1 days 11085 sec after trigger time at 2024-08-22 21:40:48 UT, with upper limit up to  17.0 mag. The observations began at zenith distance = 63 deg. The sun  altitude  is -34.5 deg. 

The galactic latitude b = -64 deg., longitude l = 59 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2570723

We obtain a following upper limits.  

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

   97516 | 2024-08-22 21:40:48 |      MASTER-Tavrida | (23h 06m 54.54s , -17d 17m 48.9s) |   C |    60 | 16.4 |        
   97516 | 2024-08-22 21:40:48 |      MASTER-Tavrida | (23h 06m 50.07s , -17d 13m 08.7s) |   C |    60 | 16.9 |        
   98446 | 2024-08-22 21:56:18 |      MASTER-Tavrida | (23h 06m 53.97s , -17d 18m 53.9s) |   C |    60 | 16.6 |        
   98446 | 2024-08-22 21:56:18 |      MASTER-Tavrida | (23h 06m 50.55s , -17d 13m 54.7s) |   C |    60 | 16.9 |        
   99379 | 2024-08-22 22:11:51 |      MASTER-Tavrida | (23h 06m 50.26s , -17d 19m 26.2s) |   C |    60 | 16.8 |        
   99379 | 2024-08-22 22:11:51 |      MASTER-Tavrida | (23h 06m 47.36s , -17d 14m 28.2s) |   C |    60 | 17.0 |        
  100157 | 2024-08-22 22:24:49 |      MASTER-Tavrida | (22h 59m 52.74s , -14d 45m 47.2s) |   C |    60 | 16.3 |        
  100157 | 2024-08-22 22:24:49 |      MASTER-Tavrida | (22h 59m 49.79s , -14d 41m 23.5s) |   C |    60 | 16.4 |        
  101080 | 2024-08-22 22:40:13 |      MASTER-Tavrida | (22h 59m 50.97s , -14d 46m 12.6s) |   C |    60 | 16.4 |        
  101081 | 2024-08-22 22:40:13 |      MASTER-Tavrida | (22h 59m 50.53s , -14d 50m 04.6s) |   C |    60 | 16.5 |        
  102011 | 2024-08-22 22:55:43 |      MASTER-Tavrida | (22h 59m 45.94s , -14d 45m 08.3s) |   C |    60 | 16.3 |        
  102011 | 2024-08-22 22:55:44 |      MASTER-Tavrida | (22h 59m 42.81s , -14d 40m 49.3s) |   C |    60 | 16.4 |        
  105751 | 2024-08-22 23:58:03 |      MASTER-Tavrida | (23h 00m 04.79s , -16d 05m 00.1s) |   C |    60 | 16.4 |        
  105751 | 2024-08-22 23:58:03 |      MASTER-Tavrida | (23h 00m 02.33s , -16d 00m 42.0s) |   C |    60 | 16.2 |        
  105827 | 2024-08-22 23:59:19 |      MASTER-Tavrida | (23h 08m 17.51s , -16d 05m 57.0s) |   C |    60 | 16.3 |        
  105827 | 2024-08-22 23:59:19 |      MASTER-Tavrida | (23h 08m 15.15s , -16d 01m 38.7s) |   C |    60 | 16.2 |        
  106685 | 2024-08-23 00:13:37 |      MASTER-Tavrida | (23h 00m 05.45s , -16d 05m 25.1s) |   C |    60 | 16.2 |        
  106685 | 2024-08-23 00:13:38 |      MASTER-Tavrida | (23h 00m 02.15s , -16d 00m 54.1s) |   C |    60 | 16.2 |        
  106761 | 2024-08-23 00:14:53 |      MASTER-Tavrida | (23h 08m 19.44s , -16d 06m 20.6s) |   C |    60 | 16.1 |        
  106761 | 2024-08-23 00:14:54 |      MASTER-Tavrida | (23h 08m 16.14s , -16d 01m 49.8s) |   C |    60 | 16.1 |        
  107031 | 2024-08-23 00:19:24 |      MASTER-Tavrida | (23h 02m 49.99s , -13d 31m 59.2s) |   C |    60 | 15.9 |        
  107032 | 2024-08-23 00:19:24 |      MASTER-Tavrida | (23h 02m 49.34s , -13d 36m 11.3s) |   C |    60 | 15.9 |        
  107704 | 2024-08-23 00:30:36 |      MASTER-Tavrida | (23h 00m 07.03s , -16d 07m 23.9s) |   C |    60 | 16.2 |        
  107704 | 2024-08-23 00:30:36 |      MASTER-Tavrida | (23h 00m 10.30s , -16d 11m 14.9s) |   C |    60 | 15.9 |        
  107779 | 2024-08-23 00:31:52 |      MASTER-Tavrida | (23h 08m 19.79s , -16d 08m 03.7s) |   C |    60 | 16.1 |        
  107780 | 2024-08-23 00:31:52 |      MASTER-Tavrida | (23h 08m 22.88s , -16d 11m 53.7s) |   C |    60 | 16.2 |        
  108039 | 2024-08-23 00:36:11 |      MASTER-Tavrida | (23h 02m 40.52s , -13d 33m 20.8s) |   C |    60 | 16.2 |        
  108039 | 2024-08-23 00:36:11 |      MASTER-Tavrida | (23h 02m 43.56s , -13d 37m 10.4s) |   C |    60 | 16.2 |        
  108966 | 2024-08-23 00:51:38 |      MASTER-Tavrida | (23h 02m 47.11s , -13d 31m 48.7s) |   C |    60 | 16.2 |        
  108966 | 2024-08-23 00:51:38 |      MASTER-Tavrida | (23h 02m 50.42s , -13d 35m 45.5s) |   C |    60 | 16.1 |        
  109603 | 2024-08-23 01:02:15 |      MASTER-Tavrida | (23h 09m 25.63s , -17d 25m 44.6s) |   C |    60 | 16.6 |        
  109603 | 2024-08-23 01:02:16 |      MASTER-Tavrida | (23h 09m 29.61s , -17d 29m 32.5s) |   C |    60 | 16.2 |        
  109679 | 2024-08-23 01:03:32 |      MASTER-Tavrida | (23h 17m 43.82s , -17d 26m 40.2s) |   C |    60 | 16.8 |        
  109680 | 2024-08-23 01:03:32 |      MASTER-Tavrida | (23h 17m 47.59s , -17d 30m 28.4s) |   C |    60 | 16.3 |        
  110657 | 2024-08-23 01:19:49 |      MASTER-Tavrida | (23h 09m 28.18s , -17d 25m 49.1s) |   C |    60 | 14.7 |        
  110657 | 2024-08-23 01:19:49 |      MASTER-Tavrida | (23h 09m 29.36s , -17d 30m 01.7s) |   C |    60 | 14.4 |        
  110733 | 2024-08-23 01:21:06 |      MASTER-Tavrida | (23h 17m 45.87s , -17d 26m 37.0s) |   C |    60 | 16.6 |        
  110734 | 2024-08-23 01:21:06 |      MASTER-Tavrida | (23h 17m 47.07s , -17d 30m 50.8s) |   C |    60 | 16.4 |        
  111713 | 2024-08-23 01:37:25 |      MASTER-Tavrida | (23h 09m 20.87s , -17d 27m 54.1s) |   C |    60 | 16.0 |        
  111713 | 2024-08-23 01:37:25 |      MASTER-Tavrida | (23h 09m 22.39s , -17d 32m 12.4s) |   C |    60 | 14.1 |        
  111789 | 2024-08-23 01:38:41 |      MASTER-Tavrida | (23h 17m 45.49s , -17d 28m 12.5s) |   C |    60 | 16.3 |        
  111789 | 2024-08-23 01:38:41 |      MASTER-Tavrida | (23h 17m 51.65s , -17d 32m 03.0s) |   C |    60 | 15.7 |        
  112368 | 2024-08-23 01:48:20 |      MASTER-Tavrida | (23h 02m 13.51s , -14d 52m 18.7s) |   C |    60 | 15.4 |        
  112444 | 2024-08-23 01:49:36 |      MASTER-Tavrida | (23h 10m 37.08s , -14d 51m 52.3s) |   C |    60 | 15.6 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 11135
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) started inspect of the FERMI GRB 240821A ( Fermi GBM team, GCN 37219) errorbox  1 days 11047 sec after notice time and 1 days 11085 sec after trigger time at 2024-08-22 21:40:48 UT, with upper limit up to  17.0 mag. The observations began at zenith distance = 63 deg. The sun  altitude  is -34.5 deg. 

The galactic latitude b = -64 deg., longitude l = 59 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2570719

We obtain a following upper limits.  

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

   97516 | 2024-08-22 21:40:48 |      MASTER-Tavrida | (23h 06m 54.54s , -17d 17m 48.9s) |   C |    60 | 16.4 |        
   97516 | 2024-08-22 21:40:48 |      MASTER-Tavrida | (23h 06m 50.07s , -17d 13m 08.7s) |   C |    60 | 16.9 |        
   98446 | 2024-08-22 21:56:18 |      MASTER-Tavrida | (23h 06m 53.97s , -17d 18m 53.9s) |   C |    60 | 16.6 |        
   98446 | 2024-08-22 21:56:18 |      MASTER-Tavrida | (23h 06m 50.55s , -17d 13m 54.7s) |   C |    60 | 16.9 |        
   99379 | 2024-08-22 22:11:51 |      MASTER-Tavrida | (23h 06m 50.26s , -17d 19m 26.2s) |   C |    60 | 16.8 |        
   99379 | 2024-08-22 22:11:51 |      MASTER-Tavrida | (23h 06m 47.36s , -17d 14m 28.2s) |   C |    60 | 17.0 |        
  100157 | 2024-08-22 22:24:49 |      MASTER-Tavrida | (22h 59m 52.74s , -14d 45m 47.2s) |   C |    60 | 16.3 |        
  100157 | 2024-08-22 22:24:49 |      MASTER-Tavrida | (22h 59m 49.79s , -14d 41m 23.5s) |   C |    60 | 16.4 |        
  101080 | 2024-08-22 22:40:13 |      MASTER-Tavrida | (22h 59m 50.97s , -14d 46m 12.6s) |   C |    60 | 16.4 |        
  101081 | 2024-08-22 22:40:13 |      MASTER-Tavrida | (22h 59m 50.53s , -14d 50m 04.6s) |   C |    60 | 16.5 |        
  102011 | 2024-08-22 22:55:43 |      MASTER-Tavrida | (22h 59m 45.94s , -14d 45m 08.3s) |   C |    60 | 16.3 |        
  102011 | 2024-08-22 22:55:44 |      MASTER-Tavrida | (22h 59m 42.81s , -14d 40m 49.3s) |   C |    60 | 16.4 |        
  105751 | 2024-08-22 23:58:03 |      MASTER-Tavrida | (23h 00m 04.79s , -16d 05m 00.1s) |   C |    60 | 16.4 |        
  105751 | 2024-08-22 23:58:03 |      MASTER-Tavrida | (23h 00m 02.33s , -16d 00m 42.0s) |   C |    60 | 16.2 |        
  105827 | 2024-08-22 23:59:19 |      MASTER-Tavrida | (23h 08m 17.51s , -16d 05m 57.0s) |   C |    60 | 16.3 |        
  105827 | 2024-08-22 23:59:19 |      MASTER-Tavrida | (23h 08m 15.15s , -16d 01m 38.7s) |   C |    60 | 16.2 |        
  106685 | 2024-08-23 00:13:37 |      MASTER-Tavrida | (23h 00m 05.45s , -16d 05m 25.1s) |   C |    60 | 16.2 |        
  106685 | 2024-08-23 00:13:38 |      MASTER-Tavrida | (23h 00m 02.15s , -16d 00m 54.1s) |   C |    60 | 16.2 |        
  106761 | 2024-08-23 00:14:53 |      MASTER-Tavrida | (23h 08m 19.44s , -16d 06m 20.6s) |   C |    60 | 16.1 |        
  106761 | 2024-08-23 00:14:54 |      MASTER-Tavrida | (23h 08m 16.14s , -16d 01m 49.8s) |   C |    60 | 16.1 |        
  107031 | 2024-08-23 00:19:24 |      MASTER-Tavrida | (23h 02m 49.99s , -13d 31m 59.2s) |   C |    60 | 15.9 |        
  107032 | 2024-08-23 00:19:24 |      MASTER-Tavrida | (23h 02m 49.34s , -13d 36m 11.3s) |   C |    60 | 15.9 |        
  107704 | 2024-08-23 00:30:36 |      MASTER-Tavrida | (23h 00m 07.03s , -16d 07m 23.9s) |   C |    60 | 16.2 |        
  107704 | 2024-08-23 00:30:36 |      MASTER-Tavrida | (23h 00m 10.30s , -16d 11m 14.9s) |   C |    60 | 15.9 |        
  107779 | 2024-08-23 00:31:52 |      MASTER-Tavrida | (23h 08m 19.79s , -16d 08m 03.7s) |   C |    60 | 16.1 |        
  107780 | 2024-08-23 00:31:52 |      MASTER-Tavrida | (23h 08m 22.88s , -16d 11m 53.7s) |   C |    60 | 16.2 |        
  108039 | 2024-08-23 00:36:11 |      MASTER-Tavrida | (23h 02m 40.52s , -13d 33m 20.8s) |   C |    60 | 16.2 |        
  108039 | 2024-08-23 00:36:11 |      MASTER-Tavrida | (23h 02m 43.56s , -13d 37m 10.4s) |   C |    60 | 16.2 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 11136
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) started inspect of the FERMI GRB 240821A ( Fermi GBM team, GCN 37219) errorbox  1 days 11047 sec after notice time and 1 days 11085 sec after trigger time at 2024-08-22 21:40:48 UT, with upper limit up to  17.0 mag. The observations began at zenith distance = 63 deg. The sun  altitude  is -34.5 deg. 

The galactic latitude b = -64 deg., longitude l = 59 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2570719

We obtain a following upper limits.  

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

   97516 | 2024-08-22 21:40:48 |      MASTER-Tavrida | (23h 06m 54.54s , -17d 17m 48.9s) |   C |    60 | 16.4 |        
   97516 | 2024-08-22 21:40:48 |      MASTER-Tavrida | (23h 06m 50.07s , -17d 13m 08.7s) |   C |    60 | 16.9 |        
   98446 | 2024-08-22 21:56:18 |      MASTER-Tavrida | (23h 06m 53.97s , -17d 18m 53.9s) |   C |    60 | 16.6 |        
   98446 | 2024-08-22 21:56:18 |      MASTER-Tavrida | (23h 06m 50.55s , -17d 13m 54.7s) |   C |    60 | 16.9 |        
   99379 | 2024-08-22 22:11:51 |      MASTER-Tavrida | (23h 06m 50.26s , -17d 19m 26.2s) |   C |    60 | 16.8 |        
   99379 | 2024-08-22 22:11:51 |      MASTER-Tavrida | (23h 06m 47.36s , -17d 14m 28.2s) |   C |    60 | 17.0 |        
  100157 | 2024-08-22 22:24:49 |      MASTER-Tavrida | (22h 59m 52.74s , -14d 45m 47.2s) |   C |    60 | 16.3 |        
  100157 | 2024-08-22 22:24:49 |      MASTER-Tavrida | (22h 59m 49.79s , -14d 41m 23.5s) |   C |    60 | 16.4 |        
  101080 | 2024-08-22 22:40:13 |      MASTER-Tavrida | (22h 59m 50.97s , -14d 46m 12.6s) |   C |    60 | 16.4 |        
  101081 | 2024-08-22 22:40:13 |      MASTER-Tavrida | (22h 59m 50.53s , -14d 50m 04.6s) |   C |    60 | 16.5 |        
  102011 | 2024-08-22 22:55:43 |      MASTER-Tavrida | (22h 59m 45.94s , -14d 45m 08.3s) |   C |    60 | 16.3 |        
  102011 | 2024-08-22 22:55:44 |      MASTER-Tavrida | (22h 59m 42.81s , -14d 40m 49.3s) |   C |    60 | 16.4 |        
  105751 | 2024-08-22 23:58:03 |      MASTER-Tavrida | (23h 00m 04.79s , -16d 05m 00.1s) |   C |    60 | 16.4 |        
  105751 | 2024-08-22 23:58:03 |      MASTER-Tavrida | (23h 00m 02.33s , -16d 00m 42.0s) |   C |    60 | 16.2 |        
  105827 | 2024-08-22 23:59:19 |      MASTER-Tavrida | (23h 08m 17.51s , -16d 05m 57.0s) |   C |    60 | 16.3 |        
  105827 | 2024-08-22 23:59:19 |      MASTER-Tavrida | (23h 08m 15.15s , -16d 01m 38.7s) |   C |    60 | 16.2 |        
  106685 | 2024-08-23 00:13:37 |      MASTER-Tavrida | (23h 00m 05.45s , -16d 05m 25.1s) |   C |    60 | 16.2 |        
  106685 | 2024-08-23 00:13:38 |      MASTER-Tavrida | (23h 00m 02.15s , -16d 00m 54.1s) |   C |    60 | 16.2 |        
  106761 | 2024-08-23 00:14:53 |      MASTER-Tavrida | (23h 08m 19.44s , -16d 06m 20.6s) |   C |    60 | 16.1 |        
  106761 | 2024-08-23 00:14:54 |      MASTER-Tavrida | (23h 08m 16.14s , -16d 01m 49.8s) |   C |    60 | 16.1 |        
  107031 | 2024-08-23 00:19:24 |      MASTER-Tavrida | (23h 02m 49.99s , -13d 31m 59.2s) |   C |    60 | 15.9 |        
  107032 | 2024-08-23 00:19:24 |      MASTER-Tavrida | (23h 02m 49.34s , -13d 36m 11.3s) |   C |    60 | 15.9 |        
  107704 | 2024-08-23 00:30:36 |      MASTER-Tavrida | (23h 00m 07.03s , -16d 07m 23.9s) |   C |    60 | 16.2 |        
  107704 | 2024-08-23 00:30:36 |      MASTER-Tavrida | (23h 00m 10.30s , -16d 11m 14.9s) |   C |    60 | 15.9 |        
  107779 | 2024-08-23 00:31:52 |      MASTER-Tavrida | (23h 08m 19.79s , -16d 08m 03.7s) |   C |    60 | 16.1 |        
  107780 | 2024-08-23 00:31:52 |      MASTER-Tavrida | (23h 08m 22.88s , -16d 11m 53.7s) |   C |    60 | 16.2 |        
  108039 | 2024-08-23 00:36:11 |      MASTER-Tavrida | (23h 02m 40.52s , -13d 33m 20.8s) |   C |    60 | 16.2 |        
  108039 | 2024-08-23 00:36:11 |      MASTER-Tavrida | (23h 02m 43.56s , -13d 37m 10.4s) |   C |    60 | 16.2 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 11137
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) started inspect of the FERMI GRB 240821A ( Fermi GBM team, GCN 37219) errorbox  1 days 11047 sec after notice time and 1 days 11085 sec after trigger time at 2024-08-22 21:40:48 UT, with upper limit up to  17.0 mag. The observations began at zenith distance = 63 deg. The sun  altitude  is -34.5 deg. 

The galactic latitude b = -64 deg., longitude l = 59 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2570719

We obtain a following upper limits.  

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

   97516 | 2024-08-22 21:40:48 |      MASTER-Tavrida | (23h 06m 54.54s , -17d 17m 48.9s) |   C |    60 | 16.4 |        
   97516 | 2024-08-22 21:40:48 |      MASTER-Tavrida | (23h 06m 50.07s , -17d 13m 08.7s) |   C |    60 | 16.9 |        
   98446 | 2024-08-22 21:56:18 |      MASTER-Tavrida | (23h 06m 53.97s , -17d 18m 53.9s) |   C |    60 | 16.6 |        
   98446 | 2024-08-22 21:56:18 |      MASTER-Tavrida | (23h 06m 50.55s , -17d 13m 54.7s) |   C |    60 | 16.9 |        
   99379 | 2024-08-22 22:11:51 |      MASTER-Tavrida | (23h 06m 50.26s , -17d 19m 26.2s) |   C |    60 | 16.8 |        
   99379 | 2024-08-22 22:11:51 |      MASTER-Tavrida | (23h 06m 47.36s , -17d 14m 28.2s) |   C |    60 | 17.0 |        
  100157 | 2024-08-22 22:24:49 |      MASTER-Tavrida | (22h 59m 52.74s , -14d 45m 47.2s) |   C |    60 | 16.3 |        
  100157 | 2024-08-22 22:24:49 |      MASTER-Tavrida | (22h 59m 49.79s , -14d 41m 23.5s) |   C |    60 | 16.4 |        
  101080 | 2024-08-22 22:40:13 |      MASTER-Tavrida | (22h 59m 50.97s , -14d 46m 12.6s) |   C |    60 | 16.4 |        
  101081 | 2024-08-22 22:40:13 |      MASTER-Tavrida | (22h 59m 50.53s , -14d 50m 04.6s) |   C |    60 | 16.5 |        
  102011 | 2024-08-22 22:55:43 |      MASTER-Tavrida | (22h 59m 45.94s , -14d 45m 08.3s) |   C |    60 | 16.3 |        
  102011 | 2024-08-22 22:55:44 |      MASTER-Tavrida | (22h 59m 42.81s , -14d 40m 49.3s) |   C |    60 | 16.4 |        
  105751 | 2024-08-22 23:58:03 |      MASTER-Tavrida | (23h 00m 04.79s , -16d 05m 00.1s) |   C |    60 | 16.4 |        
  105751 | 2024-08-22 23:58:03 |      MASTER-Tavrida | (23h 00m 02.33s , -16d 00m 42.0s) |   C |    60 | 16.2 |        
  105827 | 2024-08-22 23:59:19 |      MASTER-Tavrida | (23h 08m 17.51s , -16d 05m 57.0s) |   C |    60 | 16.3 |        
  105827 | 2024-08-22 23:59:19 |      MASTER-Tavrida | (23h 08m 15.15s , -16d 01m 38.7s) |   C |    60 | 16.2 |        
  106685 | 2024-08-23 00:13:37 |      MASTER-Tavrida | (23h 00m 05.45s , -16d 05m 25.1s) |   C |    60 | 16.2 |        
  106685 | 2024-08-23 00:13:38 |      MASTER-Tavrida | (23h 00m 02.15s , -16d 00m 54.1s) |   C |    60 | 16.2 |        
  106761 | 2024-08-23 00:14:53 |      MASTER-Tavrida | (23h 08m 19.44s , -16d 06m 20.6s) |   C |    60 | 16.1 |        
  106761 | 2024-08-23 00:14:54 |      MASTER-Tavrida | (23h 08m 16.14s , -16d 01m 49.8s) |   C |    60 | 16.1 |        
  107031 | 2024-08-23 00:19:24 |      MASTER-Tavrida | (23h 02m 49.99s , -13d 31m 59.2s) |   C |    60 | 15.9 |        
  107032 | 2024-08-23 00:19:24 |      MASTER-Tavrida | (23h 02m 49.34s , -13d 36m 11.3s) |   C |    60 | 15.9 |        
  107704 | 2024-08-23 00:30:36 |      MASTER-Tavrida | (23h 00m 07.03s , -16d 07m 23.9s) |   C |    60 | 16.2 |        
  107704 | 2024-08-23 00:30:36 |      MASTER-Tavrida | (23h 00m 10.30s , -16d 11m 14.9s) |   C |    60 | 15.9 |        
  107779 | 2024-08-23 00:31:52 |      MASTER-Tavrida | (23h 08m 19.79s , -16d 08m 03.7s) |   C |    60 | 16.1 |        
  107780 | 2024-08-23 00:31:52 |      MASTER-Tavrida | (23h 08m 22.88s , -16d 11m 53.7s) |   C |    60 | 16.2 |        
  108039 | 2024-08-23 00:36:11 |      MASTER-Tavrida | (23h 02m 40.52s , -13d 33m 20.8s) |   C |    60 | 16.2 |        
  108039 | 2024-08-23 00:36:11 |      MASTER-Tavrida | (23h 02m 43.56s , -13d 37m 10.4s) |   C |    60 | 16.2 |        
Filter C is a clear (unfiltred) band. 


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

MASTER, 2002-2024