Skip to main content
Introducing Einstein Probe, Astro Flavored Markdown, and Notices Schema v4.0.0. See news and announcements

GCN Circular 36675

Subject
Fermi trigger No 740166710: Global MASTER-Net observations report
Date
2024-06-16T07:30:39Z (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-Amur robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Blagoveshchensk State Pedagogical University) started inspect of the Fermi GRB240615.74 (trigger No 740166710,22h 21m 33.60s , +42d 33m 00.0s, R=1.82) errorbox  392 sec after notice time and 424 sec after trigger time at 2024-06-15 17:58:49 UT, with upper limit up to  15.2 mag. Observations started at twilight.  The observations began at zenith distance = 25 deg. The sun  altitude  is -9.7 deg. 

MASTER-Kislovodsk robotic telescope  located in Russia (Lomonosov MSU, Kislovodsk Solar Station of Pulkovo observatory) started inspect of the Fermi GRB240615.74 errorbox  1678 sec after notice time and 1710 sec after trigger time at 2024-06-15 18:20:15 UT, with upper limit up to  17.5 mag. Observations started at twilight.  The observations began at zenith distance = 73 deg. The sun  altitude  is -12.9 deg. 

MASTER-SAAO robotic telescope  located in South Africa (South African Astronomical Observatory) started inspect of the Fermi GRB240615.74 errorbox  27460 sec after notice time and 27492 sec after trigger time at 2024-06-16 01:29:57 UT, with upper limit up to  17.9 mag. The observations began at zenith distance = 75 deg. The sun  altitude  is -51.5 deg. 

The galactic latitude b = -12 deg., longitude l = 96 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2495125

We obtain a following upper limits.  

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

      86 | 2024-06-15 17:53:01 |             MASTER- | (22h 22m 33.87s , +42d 20m 24.5s) |   C |    20 | 19.4 |        
     117 | 2024-06-15 17:53:32 |             MASTER- | (22h 22m 34.66s , +42d 21m 25.4s) |   C |    20 | 19.2 |        
     154 | 2024-06-15 17:54:03 |             MASTER- | (22h 22m 39.70s , +42d 20m 25.7s) |   C |    30 | 19.3 |        
     200 | 2024-06-15 17:54:45 |             MASTER- | (22h 22m 34.35s , +42d 19m 26.9s) |   C |    40 | 19.5 |        
     257 | 2024-06-15 17:55:37 |             MASTER- | (22h 22m 41.26s , +42d 19m 52.7s) |   C |    50 | 19.6 |        
     323 | 2024-06-15 17:56:38 |             MASTER- | (22h 22m 37.82s , +42d 21m 18.0s) |   C |    60 | 19.7 |        
     398 | 2024-06-15 17:57:48 |             MASTER- | (22h 22m 37.87s , +42d 19m 59.3s) |   C |    70 | 19.8 |        
     454 | 2024-06-15 17:58:49 |         MASTER-Amur | (22h 24m 14.26s , +42d 52m 18.6s) |   C |    60 | 15.2 |        
     492 | 2024-06-15 17:59:11 |             MASTER- | (22h 22m 40.53s , +42d 21m 13.6s) |   C |    90 | 19.8 |        
     535 | 2024-06-15 18:00:10 |         MASTER-Amur | (22h 35m 11.90s , +42d 53m 57.3s) |   C |    60 | 14.9 |        
     604 | 2024-06-15 18:00:53 |             MASTER- | (22h 22m 34.61s , +42d 20m 37.6s) |   C |   110 | 19.7 |        
     669 | 2024-06-15 18:01:54 |         MASTER-Amur | (22h 16m 39.89s , +42d 23m 05.7s) |   C |   120 | 14.9 |        
     736 | 2024-06-15 18:02:56 |             MASTER- | (22h 22m 34.82s , +42d 21m 40.9s) |   C |   130 | 19.8 |        
     892 | 2024-06-15 18:05:16 |             MASTER- | (22h 22m 42.18s , +42d 20m 45.0s) |   C |   160 | 19.8 |        
    1359 | 2024-06-15 18:13:53 |             MASTER- | (22h 07m 07.47s , +40d 53m 50.3s) |   C |    60 | 19.6 |        
    1434 | 2024-06-15 18:15:08 |             MASTER- | (22h 17m 39.79s , +40d 54m 46.4s) |   C |    60 | 19.7 |        
    1507 | 2024-06-15 18:16:22 |             MASTER- | (22h 05m 53.04s , +42d 49m 24.0s) |   C |    60 | 19.5 |        
    1580 | 2024-06-15 18:17:34 |             MASTER- | (22h 16m 40.90s , +42d 48m 15.0s) |   C |    60 | 19.6 |        
    1654 | 2024-06-15 18:18:48 |             MASTER- | (22h 27m 15.04s , +40d 53m 51.9s) |   C |    60 | 19.8 |        
    1727 | 2024-06-15 18:20:01 |             MASTER- | (22h 37m 44.26s , +40d 52m 27.8s) |   C |    60 | 19.8 |        
    1740 | 2024-06-15 18:20:15 |   MASTER-Kislovodsk | (22h 10m 00.01s , +44d 56m 20.9s) |   C |    60 | 16.3 |        
    1801 | 2024-06-15 18:21:15 |             MASTER- | (22h 27m 24.30s , +44d 42m 45.8s) |   C |    60 | 19.6 |        
    1873 | 2024-06-15 18:22:28 |             MASTER- | (22h 38m 39.89s , +44d 40m 31.7s) |   C |    60 | 19.3 |        
    2085 | 2024-06-15 18:26:00 |   MASTER-Kislovodsk | (22h 13m 19.13s , +39d 14m 19.3s) |   C |    60 | 16.1 |        
    2590 | 2024-06-15 18:34:25 |             MASTER- | (22h 07m 06.46s , +40d 56m 00.7s) |   C |    60 | 19.3 |        
    2663 | 2024-06-15 18:35:38 |             MASTER- | (22h 17m 41.58s , +40d 54m 14.3s) |   C |    60 | 19.4 |        
    2673 | 2024-06-15 18:35:47 |   MASTER-Kislovodsk | (22h 10m 07.55s , +44d 54m 56.9s) |   C |    60 | 16.8 |        
    2737 | 2024-06-15 18:36:52 |             MASTER- | (22h 05m 54.76s , +42d 50m 23.8s) |   C |    60 | 19.3 |        
    2812 | 2024-06-15 18:38:07 |             MASTER- | (22h 16m 42.71s , +42d 48m 58.1s) |   C |    60 | 19.4 |        
    3035 | 2024-06-15 18:41:50 |   MASTER-Kislovodsk | (22h 13m 17.04s , +39d 14m 03.5s) |   C |    60 | 16.6 |        
    3128 | 2024-06-15 18:43:23 |             MASTER- | (22h 37m 46.56s , +40d 55m 10.4s) |   C |    60 | 19.4 |        
    3201 | 2024-06-15 18:44:36 |             MASTER- | (22h 27m 28.97s , +44d 42m 35.0s) |   C |    60 | 19.2 |        
    3274 | 2024-06-15 18:45:49 |             MASTER- | (22h 38m 38.20s , +44d 41m 07.5s) |   C |    60 | 19.0 |        
    3497 | 2024-06-15 18:49:31 |             MASTER- | (22h 07m 10.20s , +40d 56m 34.5s) |   C |    60 | 18.9 |        
    3570 | 2024-06-15 18:50:45 |             MASTER- | (22h 17m 38.31s , +40d 55m 17.0s) |   C |    60 | 18.9 |        
    3644 | 2024-06-15 18:51:58 |             MASTER- | (22h 05m 49.61s , +42d 50m 52.2s) |   C |    60 | 18.8 |        
    3890 | 2024-06-15 18:56:04 |   MASTER-Kislovodsk | (22h 10m 06.85s , +44d 56m 30.4s) |   C |    60 | 17.1 |        
    3912 | 2024-06-15 18:56:27 |             MASTER- | (22h 16m 46.70s , +42d 50m 07.6s) |   C |    60 | 18.7 |  Coadd 
    3988 | 2024-06-15 18:57:43 |             MASTER- | (22h 27m 13.74s , +40d 54m 04.4s) |   C |    60 | 18.9 |  Coadd 
    4064 | 2024-06-15 18:58:59 |             MASTER- | (22h 37m 52.53s , +40d 55m 27.5s) |   C |    60 | 18.9 |  Coadd 
    4245 | 2024-06-15 19:02:00 |   MASTER-Kislovodsk | (22h 13m 19.26s , +39d 13m 44.9s) |   C |    60 | 16.9 |        
    4272 | 2024-06-15 19:02:26 |             MASTER- | (22h 27m 23.39s , +44d 43m 07.5s) |   C |    60 | 18.6 |  Coadd 
    4364 | 2024-06-15 19:03:58 |             MASTER- | (22h 38m 40.35s , +44d 43m 40.0s) |   C |    60 | 18.3 |  Coadd 
    4866 | 2024-06-15 19:12:21 |   MASTER-Kislovodsk | (22h 30m 31.52s , +43d 02m 57.9s) |   C |    60 | 15.6 |        
    6598 | 2024-06-15 19:41:13 |   MASTER-Kislovodsk | (22h 30m 35.66s , +43d 02m 51.5s) |   C |    60 | 17.0 |        
    6681 | 2024-06-15 19:42:36 |   MASTER-Kislovodsk | (22h 10m 51.25s , +41d 10m 50.1s) |   C |    60 | 17.4 |        
    6765 | 2024-06-15 19:43:59 |   MASTER-Kislovodsk | (22h 09m 44.64s , +43d 03m 33.9s) |   C |    60 | 17.5 |        
    6864 | 2024-06-15 19:45:39 |   MASTER-Kislovodsk | (22h 31m 03.71s , +41d 10m 06.7s) |   C |    60 | 17.5 |        
    6864 | 2024-06-15 19:45:39 |   MASTER-Kislovodsk | (22h 36m 09.33s , +40d 46m 18.3s) |   C |    60 | 12.3 |        
    6950 | 2024-06-15 19:47:05 |   MASTER-Kislovodsk | (22h 31m 26.86s , +44d 57m 31.9s) |   C |    60 | 17.4 |        
    6950 | 2024-06-15 19:47:05 |   MASTER-Kislovodsk | (22h 37m 00.00s , +44d 34m 20.4s) |   C |    60 | 12.4 |        
   27522 | 2024-06-16 01:29:57 |         MASTER-SAAO | (22h 18m 00.77s , +38d 48m 51.2s) |   C |    60 | 13.8 |        
   29187 | 2024-06-16 01:57:42 |         MASTER-SAAO | (22h 04m 14.47s , +44d 32m 12.4s) |   C |    60 | 12.4 |        
   29346 | 2024-06-16 02:00:20 |         MASTER-SAAO | (22h 25m 17.56s , +40d 44m 03.0s) |   C |    60 | 14.4 |        
   29427 | 2024-06-16 02:01:41 |         MASTER-SAAO | (22h 35m 51.93s , +40d 44m 41.1s) |   C |    60 | 14.9 |        
   29585 | 2024-06-16 02:04:20 |         MASTER-SAAO | (22h 18m 02.89s , +38d 49m 27.9s) |   C |    60 | 16.7 |        
   29665 | 2024-06-16 02:05:39 |         MASTER-SAAO | (22h 25m 36.27s , +44d 32m 41.1s) |   C |    60 | 14.0 |        
   29744 | 2024-06-16 02:06:59 |         MASTER-SAAO | (22h 36m 50.87s , +44d 30m 58.6s) |   C |    60 | 14.2 |        
   29823 | 2024-06-16 02:08:18 |         MASTER-SAAO | (22h 24m 48.44s , +42d 39m 04.3s) |   C |    60 | 15.8 |        
   29903 | 2024-06-16 02:09:37 |         MASTER-SAAO | (22h 35m 35.79s , +42d 37m 52.7s) |   C |    60 | 15.1 |        
   30140 | 2024-06-16 02:13:35 |         MASTER-SAAO | (22h 04m 31.54s , +44d 32m 14.5s) |   C |    60 | 16.6 |        
   30220 | 2024-06-16 02:14:55 |         MASTER-SAAO | (22h 15m 41.47s , +44d 32m 08.5s) |   C |    60 | 17.1 |        
   30617 | 2024-06-16 02:21:32 |         MASTER-SAAO | (22h 25m 40.06s , +44d 31m 32.9s) |   C |    60 | 15.1 |        
   30697 | 2024-06-16 02:22:51 |         MASTER-SAAO | (22h 36m 57.06s , +44d 31m 29.8s) |   C |    60 | 15.4 |        
   31173 | 2024-06-16 02:30:47 |         MASTER-SAAO | (22h 04m 51.33s , +44d 32m 50.7s) |   C |    60 | 17.9 |        
   31252 | 2024-06-16 02:32:07 |         MASTER-SAAO | (22h 16m 01.33s , +44d 33m 51.0s) |   C |    60 | 17.9 |        
   31648 | 2024-06-16 02:38:43 |         MASTER-SAAO | (22h 26m 05.75s , +44d 32m 05.2s) |   C |    60 | 17.9 |        
   31728 | 2024-06-16 02:40:02 |         MASTER-SAAO | (22h 37m 07.88s , +44d 33m 12.0s) |   C |    60 | 17.7 |        
Filter C is a clear (unfiltred) band. 


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


Looking for U.S. government information and services? Visit USA.gov