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GCN Circular 26900

Subject
Fermi trigger No 601841483: Global MASTER-Net observations report
Date
2020-01-27T19:31:04Z (4 years ago)
From
Vladimir Lipunov at Moscow State U/Krylov Obs <lipunov@xray.sai.msu.ru>
V. Lipunov, E. Gorbovskoy, V.Kornilov, N.Tyurina, P.Balanutsa, A.Kuznetsov, F.Balakin, 
V.Vladimirov, D. Vlasenko, I.Gorbunov, D.Zimnukhov, V.Senik, T.Pogrosheva,
D.Kuvshinov,  D. Cheryasov
(Lomonosov Moscow State University, SAI, Physics Department),

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

H.Levato 
(Instituto de Ciencias Astronomicas, de la Tierra y del Espacio ICATE),

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

D. Buckley 
(South African Astronomical Observatory),

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

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

V. Yurkov, A. Gabovich, Yu. Sergienko 
(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 GRB200127.76 (trigger No 601841483,05h 03m 33.60s , +20d 04m 12.0s, R=3.26) errorbox  286 sec after notice time and 314 sec after trigger time at 2020-01-27 18:16:33 UT, with upper limit up to  20.4 mag. The observations began at zenith distance = 22 deg. The sun  altitude  is -43.8 deg. 

MASTER-SAAO robotic telescope  located in South Africa (South African Astronomical Observatory) started inspect of the Fermi GRB200127.76 errorbox  558 sec after notice time and 586 sec after trigger time at 2020-01-27 18:21:05 UT, with upper limit up to  17.1 mag. Observations started at twilight.  The observations began at zenith distance = 54 deg. The sun  altitude  is -7.9 deg. 

MASTER-Tavrida robotic telescope  located in Russia (Lomonosov MSU, SAI Crimea astronomical station) started inspect of the Fermi GRB200127.76 errorbox  558 sec after notice time and 4264 sec after trigger time at 2020-01-27 19:22:22 UT, with upper limit up to  19.2 mag. The observations began at zenith distance = 27 deg. The sun  altitude  is -49.1 deg. 

The galactic latitude b = -12 deg., longitude l = 182 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1270672

We obtain a following upper limits.  

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

     344 | 2020-01-27 18:16:33 |   MASTER-Kislovodsk | (04h 57m 58.65s , +22d 03m 18.3s) |   C |    60 | 19.4 |        
     344 | 2020-01-27 18:16:33 |   MASTER-Kislovodsk | (04h 48m 54.85s , +22d 29m 11.9s) |   C |    60 | 19.5 |        
     437 | 2020-01-27 18:18:05 |   MASTER-Kislovodsk | (05h 02m 25.14s , +24d 01m 47.2s) |   C |    60 | 19.0 |        
     437 | 2020-01-27 18:18:05 |   MASTER-Kislovodsk | (04h 53m 12.60s , +24d 27m 48.1s) |   C |    60 | 19.4 |        
     640 | 2020-01-27 18:20:58 |   MASTER-Kislovodsk | (05h 08m 07.85s , +20d 06m 36.5s) |   C |   120 | 19.6 |        
     795 | 2020-01-27 18:20:58 |   MASTER-Kislovodsk | (05h 08m 07.85s , +20d 06m 36.6s) |   C |   430 | 20.3 |  Coadd 
     640 | 2020-01-27 18:20:58 |   MASTER-Kislovodsk | (04h 59m 11.90s , +20d 32m 39.7s) |   C |   120 | 19.8 |        
     795 | 2020-01-27 18:20:58 |   MASTER-Kislovodsk | (04h 59m 11.90s , +20d 32m 39.8s) |   C |   430 | 20.4 |  Coadd 
     647 | 2020-01-27 18:21:05 |         MASTER-SAAO | (05h 02m 56.22s , +20d 10m 28.0s) |   C |   120 | 15.4 |        
     790 | 2020-01-27 18:23:19 |   MASTER-Kislovodsk | (05h 08m 03.89s , +20d 07m 36.5s) |   C |   140 | 19.7 |        
     791 | 2020-01-27 18:23:19 |   MASTER-Kislovodsk | (04h 59m 07.92s , +20d 33m 38.8s) |   C |   140 | 19.9 |        
     798 | 2020-01-27 18:23:26 |         MASTER-SAAO | (05h 02m 59.89s , +20d 10m 31.1s) |   C |   140 | 16.6 |        
     966 | 2020-01-27 18:25:59 |   MASTER-Kislovodsk | (05h 08m 10.89s , +20d 06m 34.2s) |   C |   170 | 19.7 |        
     966 | 2020-01-27 18:25:59 |   MASTER-Kislovodsk | (04h 59m 15.01s , +20d 32m 35.2s) |   C |   170 | 19.9 |        
     979 | 2020-01-27 18:26:08 |         MASTER-SAAO | (05h 02m 54.22s , +20d 09m 31.7s) |   C |   180 | 17.1 |        
    1162 | 2020-01-27 18:29:10 |   MASTER-Kislovodsk | (05h 08m 04.86s , +20d 05m 33.1s) |   C |   180 | 19.8 |        
    1162 | 2020-01-27 18:29:10 |   MASTER-Kislovodsk | (04h 59m 09.11s , +20d 31m 32.9s) |   C |   180 | 20.0 |        
    1404 | 2020-01-27 18:34:13 |   MASTER-Kislovodsk | (04h 57m 58.68s , +22d 03m 01.3s) |   C |    60 | 19.3 |        
    1405 | 2020-01-27 18:34:13 |   MASTER-Kislovodsk | (04h 48m 55.53s , +22d 29m 02.8s) |   C |    60 | 19.4 |        
    1501 | 2020-01-27 18:35:49 |   MASTER-Kislovodsk | (05h 02m 25.13s , +24d 01m 21.4s) |   C |    60 | 18.9 |        
    1501 | 2020-01-27 18:35:49 |   MASTER-Kislovodsk | (04h 53m 13.19s , +24d 27m 30.8s) |   C |    60 | 19.4 |        
    1679 | 2020-01-27 18:38:47 |   MASTER-Kislovodsk | (05h 10m 59.72s , +20d 02m 20.7s) |   C |    60 | 19.0 |        
    1679 | 2020-01-27 18:38:47 |   MASTER-Kislovodsk | (05h 02m 04.34s , +20d 28m 17.8s) |   C |    60 | 19.4 |        
    1769 | 2020-01-27 18:40:17 |   MASTER-Kislovodsk | (05h 07m 18.21s , +18d 03m 21.8s) |   C |    60 | 19.1 |        
    1769 | 2020-01-27 18:40:17 |   MASTER-Kislovodsk | (04h 58m 29.94s , +18d 29m 11.6s) |   C |    60 | 19.4 |        
    1861 | 2020-01-27 18:41:49 |   MASTER-Kislovodsk | (05h 15m 17.74s , +22d 02m 20.2s) |   C |    60 | 19.0 |        
    1861 | 2020-01-27 18:41:49 |   MASTER-Kislovodsk | (05h 06m 14.38s , +22d 28m 24.5s) |   C |    60 | 19.0 |        
    1950 | 2020-01-27 18:43:18 |   MASTER-Kislovodsk | (05h 15m 17.68s , +18d 27m 17.0s) |   C |    60 | 18.8 |        
    2038 | 2020-01-27 18:44:46 |   MASTER-Kislovodsk | (05h 02m 11.51s , +20d 27m 25.6s) |   C |    60 | 19.3 |        
    2042 | 2020-01-27 18:44:50 |   MASTER-Kislovodsk | (05h 11m 06.73s , +20d 01m 30.3s) |   C |    60 | 19.0 |        
    2131 | 2020-01-27 18:46:19 |   MASTER-Kislovodsk | (05h 07m 21.25s , +18d 03m 12.4s) |   C |    60 | 19.1 |        
    2131 | 2020-01-27 18:46:19 |   MASTER-Kislovodsk | (04h 58m 33.06s , +18d 28m 59.7s) |   C |    60 | 19.2 |        
    2475 | 2020-01-27 18:52:03 |   MASTER-Kislovodsk | (05h 15m 17.71s , +22d 03m 12.0s) |   C |    60 | 18.9 |        
    2475 | 2020-01-27 18:52:03 |   MASTER-Kislovodsk | (05h 06m 14.47s , +22d 28m 53.9s) |   C |    60 | 19.0 |        
    2579 | 2020-01-27 18:53:47 |   MASTER-Kislovodsk | (05h 15m 19.21s , +18d 28m 17.1s) |   C |    60 | 18.9 |        
    2890 | 2020-01-27 18:58:58 |   MASTER-Kislovodsk | (05h 12m 08.49s , +16d 28m 50.8s) |   C |    60 | 19.2 |        
    2980 | 2020-01-27 19:00:29 |   MASTER-Kislovodsk | (05h 19m 07.74s , +20d 27m 55.0s) |   C |    60 | 19.0 |        
    3081 | 2020-01-27 19:02:10 |   MASTER-Kislovodsk | (04h 54m 01.95s , +20d 00m 57.6s) |   C |    60 | 19.3 |        
    3082 | 2020-01-27 19:02:10 |   MASTER-Kislovodsk | (04h 45m 11.65s , +20d 27m 35.3s) |   C |    60 | 19.6 |        
    3979 | 2020-01-27 19:17:07 |   MASTER-Kislovodsk | (05h 12m 02.80s , +16d 29m 06.3s) |   C |    60 | 19.3 |        
    4070 | 2020-01-27 19:18:38 |   MASTER-Kislovodsk | (05h 19m 14.66s , +20d 28m 20.0s) |   C |    60 | 19.0 |        
    4294 | 2020-01-27 19:22:22 |      MASTER-Tavrida | (04h 51m 09.61s , +21d 51m 55.1s) |   C |    60 | 19.2 |        
    4392 | 2020-01-27 19:24:00 |      MASTER-Tavrida | (04h 55m 30.97s , +23d 51m 18.0s) |   C |    60 | 19.2 |        
Filter C is a clear (unfiltred) band. 


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