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GCN Circular 36625

Subject
Fermi GRB 240604A: Global MASTER-Net observations report
Date
2024-06-05T22:30:56Z (a month ago)
From
Vladimir Lipunov at Moscow State U/Krylov Obs <lipunov@xray.sai.msu.ru>
Via
legacy email
V. Lipunov, V.Kornilov, E. Gorbovskoy, K. Zhirkov, N.Tyurina, P.Balanutsa, A.Kuznetsov, V.Senik,  D. Vlasenko,
G.Antipov, D.Zimnukhov, E.Minkina, A.Chasovnikov, V.Topolev, D.Kuvshinov, D. Cheryasov, Ya.Kechin, Yu.Tselik, A. Sosnovskij
(Lomonosov Moscow State University, SAI, Physics Department),

R. Podesta, C.Lopez, F. Podesta, C.Francile
(Observatorio Astronomico Felix Aguilar OAFA),

R. Rebolo, M. Serra
(The Instituto de Astrofisica de Canarias),

D. Buckley
(South African Astronomical Observatory),

O.A. Gress, N.M. Budnev, O.Ershova
(Irkutsk State University, API),

L.Carrasco, J.R.Valdes, V.Chavushyan, V.M.Patino Alvarez, J.Martinez,
A.R.Corella, L.H.Rodriguez
(INAOE, Guillermo Haro Astrophysics Observatory),

A. Tlatov, D. Dormidontov
(Kislovodsk Solar Station of the Pulkovo Observatory),

V. Yurkov, A. Gabovich
(Blagoveschensk Educational State University)

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 Fermi GRB 240604A ( Fermi GBM team, GCN 36616) errorbox  65581 sec after notice time and 82371 sec after trigger time at 2024-06-05 21:21:20 UT, with upper limit up to  18.0 mag. The observations began at zenith distance = 58 deg. The sun  altitude  is -24.3 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=2482847

We obtain a following upper limits.  

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

   71885 | 2024-06-05 18:26:04 |             MASTER- | (08h 28m 05.55s , +74d 08m 58.0s) |   C |    60 | 16.3 |        
   71968 | 2024-06-05 18:27:27 |             MASTER- | (08h 30m 49.81s , +75d 26m 10.6s) |   C |    60 | 16.6 |        
   72629 | 2024-06-05 18:38:28 |             MASTER- | (08h 25m 54.80s , +72d 52m 02.7s) |   C |    60 | 17.1 |        
   72703 | 2024-06-05 18:39:42 |             MASTER- | (07h 50m 16.25s , +75d 26m 17.2s) |   C |    60 | 17.4 |        
   72778 | 2024-06-05 18:40:57 |             MASTER- | (08h 28m 07.13s , +74d 08m 23.5s) |   C |    60 | 17.3 |        
   72850 | 2024-06-05 18:42:09 |             MASTER- | (08h 56m 46.64s , +74d 09m 49.1s) |   C |    60 | 17.5 |        
   72923 | 2024-06-05 18:43:22 |             MASTER- | (08h 30m 49.36s , +75d 26m 27.5s) |   C |    60 | 17.7 |        
   72996 | 2024-06-05 18:44:35 |             MASTER- | (09h 02m 00.61s , +75d 27m 50.7s) |   C |    60 | 17.8 |        
   73858 | 2024-06-05 18:58:56 |             MASTER- | (08h 26m 05.27s , +72d 52m 49.6s) |   C |    60 | 18.2 |        
   73931 | 2024-06-05 19:00:10 |             MASTER- | (08h 52m 36.35s , +72d 51m 33.8s) |   C |    60 | 18.2 |        
   74010 | 2024-06-05 19:01:29 |             MASTER- | (07h 50m 24.07s , +75d 28m 18.9s) |   C |    60 | 18.4 |        
   74083 | 2024-06-05 19:02:42 |             MASTER- | (08h 21m 31.78s , +75d 29m 41.4s) |   C |    60 | 18.3 |        
   74154 | 2024-06-05 19:03:52 |             MASTER- | (08h 28m 08.42s , +74d 10m 19.5s) |   C |    60 | 18.4 |        
   74227 | 2024-06-05 19:05:06 |             MASTER- | (08h 56m 54.59s , +74d 11m 34.0s) |   C |    60 | 18.6 |        
   74300 | 2024-06-05 19:06:19 |             MASTER- | (08h 30m 49.71s , +75d 28m 54.0s) |   C |    60 | 18.5 |        
   74373 | 2024-06-05 19:07:32 |             MASTER- | (09h 01m 59.48s , +75d 29m 33.3s) |   C |    60 | 18.7 |        
   75241 | 2024-06-05 19:21:59 |             MASTER- | (08h 26m 07.04s , +72d 52m 52.3s) |   C |    60 | 18.5 |        
   75314 | 2024-06-05 19:23:12 |             MASTER- | (08h 52m 43.53s , +72d 54m 09.0s) |   C |    60 | 18.6 |        
   75388 | 2024-06-05 19:24:27 |             MASTER- | (07h 50m 22.58s , +75d 29m 12.1s) |   C |    60 | 18.8 |        
   75461 | 2024-06-05 19:25:39 |             MASTER- | (08h 21m 37.21s , +75d 30m 34.0s) |   C |    60 | 18.8 |        
   75535 | 2024-06-05 19:26:54 |             MASTER- | (08h 56m 51.32s , +74d 11m 26.2s) |   C |    60 | 18.8 |        
   75607 | 2024-06-05 19:28:06 |             MASTER- | (09h 02m 05.58s , +75d 30m 19.3s) |   C |    60 | 19.0 |        
   75903 | 2024-06-05 19:33:01 |             MASTER- | (07h 50m 48.86s , +74d 11m 46.1s) |   C |    60 | 18.9 |        
   76053 | 2024-06-05 19:35:31 |             MASTER- | (08h 34m 27.86s , +76d 47m 56.8s) |   C |    60 | 19.0 |        
   76363 | 2024-06-05 19:40:42 |             MASTER- | (08h 52m 42.02s , +72d 52m 18.0s) |   C |    60 | 18.7 |        
   76436 | 2024-06-05 19:41:55 |             MASTER- | (08h 21m 38.63s , +75d 28m 37.6s) |   C |    60 | 18.8 |        
   76509 | 2024-06-05 19:43:08 |             MASTER- | (07h 50m 08.28s , +76d 47m 21.1s) |   C |    60 | 19.0 |        
   76583 | 2024-06-05 19:44:22 |             MASTER- | (07h 51m 22.21s , +72d 54m 06.9s) |   C |    60 | 18.7 |        
   76657 | 2024-06-05 19:45:35 |             MASTER- | (08h 24m 33.43s , +71d 35m 54.5s) |   C |    60 | 18.8 |        
   76730 | 2024-06-05 19:46:49 |             MASTER- | (09h 05m 39.08s , +74d 10m 36.3s) |   C |    60 | 18.8 |        
   76806 | 2024-06-05 19:48:04 |             MASTER- | (07h 50m 49.08s , +74d 13m 05.4s) |   C |    60 | 18.9 |        
   76879 | 2024-06-05 19:49:18 |             MASTER- | (08h 19m 35.00s , +74d 11m 00.1s) |   C |    60 | 18.8 |        
   76954 | 2024-06-05 19:50:32 |             MASTER- | (09h 00m 43.41s , +72d 53m 32.1s) |   C |    60 | 18.8 |        
   77026 | 2024-06-05 19:51:45 |             MASTER- | (08h 34m 28.69s , +76d 48m 40.2s) |   C |    60 | 18.9 |        
   77100 | 2024-06-05 19:52:58 |             MASTER- | (09h 08m 43.63s , +76d 47m 16.0s) |   C |    60 | 19.0 |        
   77248 | 2024-06-05 19:55:27 |             MASTER- | (09h 11m 33.51s , +75d 28m 34.9s) |   C |    60 | 19.0 |        
   77321 | 2024-06-05 19:56:40 |             MASTER- | (08h 39m 04.60s , +78d 05m 49.0s) |   C |    60 | 19.0 |        
   77396 | 2024-06-05 19:57:54 |             MASTER- | (07h 52m 11.13s , +71d 36m 44.3s) |   C |    60 | 18.9 |        
   77468 | 2024-06-05 19:59:07 |             MASTER- | (07h 50m 03.83s , +76d 47m 32.5s) |   C |    60 | 19.0 |        
   77541 | 2024-06-05 20:00:20 |             MASTER- | (08h 24m 20.24s , +76d 47m 44.2s) |   C |    60 | 18.9 |        
   77665 | 2024-06-05 20:02:24 |             MASTER- | (07h 51m 23.99s , +72d 55m 40.9s) |   C |    60 | 18.7 |        
   77749 | 2024-06-05 20:03:48 |             MASTER- | (08h 18m 05.88s , +72d 53m 59.3s) |   C |    60 | 18.8 |        
   77821 | 2024-06-05 20:05:00 |             MASTER- | (08h 24m 34.99s , +71d 37m 29.3s) |   C |    60 | 18.8 |        
   77894 | 2024-06-05 20:06:13 |             MASTER- | (08h 49m 21.73s , +71d 36m 24.6s) |   C |    60 | 18.9 |        
   77967 | 2024-06-05 20:07:25 |             MASTER- | (09h 05m 36.12s , +74d 13m 04.9s) |   C |    60 | 18.8 |        
   82401 | 2024-06-05 21:21:20 |   MASTER-Kislovodsk | (08h 51m 40.20s , +73d 12m 45.2s) |   C |    60 | 17.9 |        
   82483 | 2024-06-05 21:22:42 |   MASTER-Kislovodsk | (08h 42m 24.47s , +75d 27m 20.3s) |   C |    60 | 13.3 |        
   82483 | 2024-06-05 21:22:42 |   MASTER-Kislovodsk | (08h 58m 34.30s , +75d 08m 32.9s) |   C |    60 | 17.9 |        
   82566 | 2024-06-05 21:24:04 |   MASTER-Kislovodsk | (07h 44m 31.41s , +73d 30m 41.5s) |   C |    60 | 13.5 |        
   82566 | 2024-06-05 21:24:04 |   MASTER-Kislovodsk | (07h 58m 35.60s , +73d 11m 42.0s) |   C |    60 | 17.7 |        
   82649 | 2024-06-05 21:25:28 |   MASTER-Kislovodsk | (08h 46m 35.94s , +71d 20m 21.3s) |   C |    60 | 17.7 |        
   82731 | 2024-06-05 21:26:49 |   MASTER-Kislovodsk | (07h 58m 53.38s , +75d 06m 02.6s) |   C |    60 | 17.8 |        
   82813 | 2024-06-05 21:28:12 |   MASTER-Kislovodsk | (09h 08m 12.92s , +77d 02m 47.9s) |   C |    60 | 17.9 |        
   82897 | 2024-06-05 21:29:36 |   MASTER-Kislovodsk | (07h 58m 53.29s , +71d 18m 03.0s) |   C |    60 | 17.8 |        
   82979 | 2024-06-05 21:30:58 |   MASTER-Kislovodsk | (07h 59m 54.88s , +76d 58m 52.4s) |   C |    60 | 17.8 |        
   83314 | 2024-06-05 21:36:33 |   MASTER-Kislovodsk | (08h 37m 27.74s , +73d 33m 37.9s) |   C |    60 | 12.0 |        
   83314 | 2024-06-05 21:36:33 |   MASTER-Kislovodsk | (08h 51m 41.28s , +73d 14m 03.8s) |   C |    60 | 17.9 |        
   83402 | 2024-06-05 21:38:00 |   MASTER-Kislovodsk | (08h 42m 26.93s , +75d 26m 23.2s) |   C |    60 | 12.5 |        
   83402 | 2024-06-05 21:38:01 |   MASTER-Kislovodsk | (08h 58m 32.77s , +75d 07m 13.3s) |   C |    60 | 18.0 |        
   83484 | 2024-06-05 21:39:23 |   MASTER-Kislovodsk | (07h 44m 56.19s , +73d 32m 45.3s) |   C |    60 | 13.4 |        
   83485 | 2024-06-05 21:39:23 |   MASTER-Kislovodsk | (07h 58m 36.22s , +73d 12m 43.1s) |   C |    60 | 17.8 |        
   83572 | 2024-06-05 21:40:50 |   MASTER-Kislovodsk | (08h 33m 57.54s , +71d 38m 45.1s) |   C |    60 | 13.4 |        
   83572 | 2024-06-05 21:40:50 |   MASTER-Kislovodsk | (08h 46m 39.44s , +71d 18m 52.1s) |   C |    60 | 17.7 |        
   83655 | 2024-06-05 21:42:14 |   MASTER-Kislovodsk | (07h 43m 05.40s , +75d 23m 50.4s) |   C |    60 | 12.3 |        
   83655 | 2024-06-05 21:42:14 |   MASTER-Kislovodsk | (07h 58m 56.57s , +75d 04m 35.8s) |   C |    60 | 17.8 |        
   83738 | 2024-06-05 21:43:37 |   MASTER-Kislovodsk | (08h 50m 20.44s , +77d 19m 20.2s) |   C |    60 | 12.4 |        
   83738 | 2024-06-05 21:43:37 |   MASTER-Kislovodsk | (09h 08m 19.47s , +77d 00m 20.2s) |   C |    60 | 17.9 |        
   83820 | 2024-06-05 21:44:59 |   MASTER-Kislovodsk | (07h 58m 52.18s , +71d 18m 20.0s) |   C |    60 | 17.8 |        
   83902 | 2024-06-05 21:46:21 |   MASTER-Kislovodsk | (08h 00m 02.49s , +76d 58m 52.3s) |   C |    60 | 17.9 |        
   84246 | 2024-06-05 21:52:04 |   MASTER-Kislovodsk | (08h 51m 44.90s , +73d 12m 40.2s) |   C |    60 | 17.8 |        
   84327 | 2024-06-05 21:53:26 |   MASTER-Kislovodsk | (08h 42m 36.47s , +75d 24m 41.6s) |   C |    60 | 12.8 |        
   84327 | 2024-06-05 21:53:26 |   MASTER-Kislovodsk | (08h 58m 36.62s , +75d 05m 46.4s) |   C |    60 | 17.9 |        
   84411 | 2024-06-05 21:54:49 |   MASTER-Kislovodsk | (07h 58m 45.78s , +73d 10m 34.7s) |   C |    60 | 17.8 |        
   84495 | 2024-06-05 21:56:14 |   MASTER-Kislovodsk | (08h 34m 00.44s , +71d 38m 58.9s) |   C |    60 | 11.9 |        
   84495 | 2024-06-05 21:56:14 |   MASTER-Kislovodsk | (08h 46m 38.97s , +71d 19m 22.3s) |   C |    60 | 17.7 |        
   84578 | 2024-06-05 21:57:37 |   MASTER-Kislovodsk | (07h 43m 16.24s , +75d 23m 24.4s) |   C |    60 | 13.0 |        
   84578 | 2024-06-05 21:57:37 |   MASTER-Kislovodsk | (07h 59m 03.73s , +75d 04m 19.7s) |   C |    60 | 17.9 |        
   84661 | 2024-06-05 21:59:00 |   MASTER-Kislovodsk | (09h 08m 24.51s , +77d 01m 43.3s) |   C |    60 | 17.9 |        
   84756 | 2024-06-05 22:00:35 |   MASTER-Kislovodsk | (07h 58m 53.67s , +71d 17m 17.1s) |   C |    60 | 17.8 |        
   84844 | 2024-06-05 22:02:03 |   MASTER-Kislovodsk | (08h 00m 04.94s , +77d 00m 05.9s) |   C |    60 | 17.8 |        
Filter C is a clear (unfiltred) band. 


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


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