Back
GCN Circular 35030

Subject
Fermi GRB 231114A: Global MASTER-Net observations report
Date
2023-11-14T22:47:08Z (a year 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-SAAO robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in South Africa (South African Astronomical Observatory) started inspect of the Fermi GRB 231114A ( Fermi GBM team, GCN 35025Not found
 
 
) errorbox  42669 sec after notice time and 42703 sec after trigger time at 2023-11-14 21:10:23 UT, with upper limit up to  18.1 mag. The observations began at zenith distance = 78 deg. The sun  altitude  is -36.8 deg. 

The galactic latitude b = 15 deg., longitude l = 269 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2305614

We obtain a following upper limits.  

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

   42733 | 2023-11-14 21:10:23 |         MASTER-SAAO | (09h 16m 41.59s , -46d 56m 19.7s) |   C |    60 | 17.9 |        
   42812 | 2023-11-14 21:11:42 |         MASTER-SAAO | (09h 09m 16.66s , -45d 02m 40.0s) |   C |    60 | 17.5 |        
   42903 | 2023-11-14 21:13:13 |         MASTER-SAAO | (08h 58m 12.72s , -41d 14m 29.6s) |   C |    60 | 17.9 |        
   43074 | 2023-11-14 21:16:04 |         MASTER-SAAO | (09h 35m 43.50s , -48d 48m 37.4s) |   C |    60 | 17.6 |        
   43520 | 2023-11-14 21:23:30 |         MASTER-SAAO | (09h 13m 12.69s , -43d 08m 45.8s) |   C |    60 | 17.7 |        
   43770 | 2023-11-14 21:27:40 |         MASTER-SAAO | (09h 16m 41.55s , -46d 57m 23.9s) |   C |    60 | 18.0 |        
   43940 | 2023-11-14 21:30:30 |         MASTER-SAAO | (09h 20m 03.32s , -45d 01m 26.2s) |   C |    60 | 17.8 |        
   44020 | 2023-11-14 21:31:50 |         MASTER-SAAO | (08h 58m 13.04s , -41d 16m 17.4s) |   C |    60 | 18.0 |        
   44279 | 2023-11-14 21:36:09 |         MASTER-SAAO | (09h 35m 43.43s , -48d 48m 45.8s) |   C |    60 | 17.6 |        
   44452 | 2023-11-14 21:39:01 |         MASTER-SAAO | (09h 03m 44.32s , -43d 10m 07.9s) |   C |    60 | 17.9 |        
   44531 | 2023-11-14 21:40:21 |         MASTER-SAAO | (09h 13m 19.52s , -43d 09m 18.6s) |   C |    60 | 17.8 |        
   44622 | 2023-11-14 21:41:52 |         MASTER-SAAO | (09h 23m 46.90s , -43d 07m 57.2s) |   C |    60 | 17.5 |        
   44781 | 2023-11-14 21:44:31 |         MASTER-SAAO | (09h 16m 46.70s , -46d 55m 44.6s) |   C |    60 | 18.1 |        
Filter C is a clear (unfiltred) band. 


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