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GCN Circular 35491

Subject
Fermi trigger No 726194053: Global MASTER-Net observations report
Date
2024-01-06T02:01:28Z (2 months 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-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 GRB240106.02 (trigger No 726194053,00h 31m 50.40s , +53d 41m 24.0s, R=1.7) errorbox  298 sec after notice time and 333 sec after trigger time at 2024-01-06 00:39:42 UT, with upper limit up to  17.6 mag. The observations began at zenith distance = 77 deg. The sun  altitude  is -48.9 deg. 

The galactic latitude b = -9 deg., longitude l = 120 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2349923

We obtain a following upper limits.  

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

     364 | 2024-01-06 00:39:42 |      MASTER-Tavrida | (00h 22m 45.56s , +54d 02m 47.2s) |   C |    60 | 17.4 |        
     437 | 2024-01-06 00:40:55 |      MASTER-Tavrida | (00h 21m 47.46s , +52d 10m 31.3s) |   C |    60 | 16.8 |        
     698 | 2024-01-06 00:44:41 |      MASTER-Tavrida | (00h 35m 19.34s , +53d 21m 05.2s) |   C |   130 | 17.3 |        
     847 | 2024-01-06 00:47:00 |      MASTER-Tavrida | (00h 35m 13.00s , +53d 20m 04.0s) |   C |   150 | 17.2 |        
    1019 | 2024-01-06 00:49:37 |      MASTER-Tavrida | (00h 35m 19.93s , +53d 20m 32.1s) |   C |   180 | 17.3 |        
    1206 | 2024-01-06 00:52:44 |      MASTER-Tavrida | (00h 35m 17.29s , +53d 21m 50.2s) |   C |   180 | 17.3 |        
    1394 | 2024-01-06 00:55:52 |      MASTER-Tavrida | (00h 35m 17.59s , +53d 20m 36.2s) |   C |   180 | 17.6 |        
    1584 | 2024-01-06 00:59:02 |      MASTER-Tavrida | (00h 35m 20.34s , +53d 21m 53.8s) |   C |   180 | 17.5 |        
    1772 | 2024-01-06 01:02:10 |      MASTER-Tavrida | (00h 35m 15.74s , +53d 21m 08.8s) |   C |   180 | 17.5 |        
    2311 | 2024-01-06 01:12:09 |      MASTER-Tavrida | (00h 22m 49.01s , +54d 03m 07.4s) |   C |    60 | 17.3 |        
    2384 | 2024-01-06 01:13:22 |      MASTER-Tavrida | (00h 36m 35.55s , +54d 03m 03.5s) |   C |    60 | 17.6 |        
    2458 | 2024-01-06 01:14:36 |      MASTER-Tavrida | (00h 34m 56.27s , +52d 09m 12.9s) |   C |    60 | 17.2 |        
    2647 | 2024-01-06 01:17:45 |      MASTER-Tavrida | (00h 10m 38.78s , +54d 04m 08.3s) |   C |    60 | 16.6 |        
    2720 | 2024-01-06 01:18:58 |      MASTER-Tavrida | (00h 24m 04.41s , +55d 57m 23.5s) |   C |    60 | 17.6 |        
    2794 | 2024-01-06 01:20:12 |      MASTER-Tavrida | (00h 46m 43.07s , +52d 09m 20.4s) |   C |    60 | 17.2 |        
    2867 | 2024-01-06 01:21:25 |      MASTER-Tavrida | (00h 48m 48.78s , +54d 03m 51.4s) |   C |    60 | 17.3 |        
    2941 | 2024-01-06 01:22:39 |      MASTER-Tavrida | (00h 51m 20.26s , +55d 57m 53.4s) |   C |    60 | 17.3 |        
    3433 | 2024-01-06 01:30:51 |      MASTER-Tavrida | (00h 14m 46.66s , +54d 15m 32.6s) |   C |    60 | 16.9 |        
    3528 | 2024-01-06 01:32:26 |      MASTER-Tavrida | (00h 36m 32.94s , +54d 05m 08.5s) |   C |    60 | 17.0 |        
    3719 | 2024-01-06 01:35:37 |      MASTER-Tavrida | (00h 10m 39.74s , +54d 05m 11.1s) |   C |    60 | 15.9 |        
    3813 | 2024-01-06 01:37:11 |      MASTER-Tavrida | (00h 15m 33.17s , +56d 09m 39.2s) |   C |    60 | 17.0 |        
    3908 | 2024-01-06 01:38:46 |      MASTER-Tavrida | (00h 38m 21.89s , +55d 59m 12.0s) |   C |    60 | 16.8 |        
    4055 | 2024-01-06 01:41:13 |      MASTER-Tavrida | (00h 48m 57.28s , +54d 03m 05.1s) |   C |    60 | 16.0 |        
    4200 | 2024-01-06 01:43:38 |      MASTER-Tavrida | (00h 51m 19.32s , +55d 57m 29.1s) |   C |    60 | 16.4 |        
    4741 | 2024-01-06 01:52:38 |      MASTER-Tavrida | (00h 28m 36.53s , +54d 15m 15.2s) |   C |    60 | 17.0 |        
    4838 | 2024-01-06 01:54:15 |      MASTER-Tavrida | (00h 24m 02.59s , +55d 58m 31.1s) |   C |    60 | 16.2 |        
    4933 | 2024-01-06 01:55:50 |      MASTER-Tavrida | (00h 29m 55.78s , +56d 10m 45.8s) |   C |    60 | 16.7 |        
Filter C is a clear (unfiltred) band. 


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


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