[vsnet-grb-info 25342] Fermi trigger No 606840801: Global MASTER-Net observations report

[GCN Circulars]

TITLE:   GCN CIRCULAR
NUMBER:  27442
SUBJECT: Fermi  trigger No 606840801: Global MASTER-Net observations report 
DATE:    20/03/25 19:45:36 GMT
FROM:    Vladimir Lipunov at Moscow State U/Krylov Obs  <lipunov at 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-Tunka robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Applied Physics Institute, Irkutsk State University) started inspect of the Fermi GRB 200325B ( Fermi GBM team, GCN 27441) errorbox  101 sec after notice time and 129 sec after trigger time at 2020-03-25 14:55:25 UT, with upper limit up to  18.5 mag. The observations began at zenith distance = 25 deg. The sun  altitude  is -29.4 deg. 

MASTER-Kislovodsk robotic telescope  located in Russia (Lomonosov MSU, Kislovodsk Solar Station of Pulkovo observatory) started inspect of the Fermi GRB 200325B errorbox  101 sec after notice time and 5198 sec after trigger time at 2020-03-25 16:19:54 UT, with upper limit up to  18.1 mag. Observations started at twilight.  The observations began at zenith distance = 48 deg. The sun  altitude  is -10.0 deg. 

MASTER-Tavrida robotic telescope  located in Russia (Lomonosov MSU, SAI Crimea astronomical station) started inspect of the Fermi GRB 200325B errorbox  101 sec after notice time and 7545 sec after trigger time at 2020-03-25 16:59:01 UT, with upper limit up to  17.2 mag. Observations started at twilight.  The observations began at zenith distance = 46 deg. The sun  altitude  is -11.1 deg. 

MASTER-SAAO robotic telescope  located in South Africa (South African Astronomical Observatory) started inspect of the Fermi GRB 200325B errorbox  101 sec after notice time and 11810 sec after trigger time at 2020-03-25 18:10:06 UT, with upper limit up to  16.1 mag. The observations began at zenith distance = 75 deg. The sun  altitude  is -19.1 deg. 

The galactic latitude b = 70 deg., longitude l = 205 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1321597

We obtain a following upper limits.  

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

     145 | 2020-03-25 14:55:25 |        MASTER-Tunka | (11h 16m 38.82s , +30d 17m 40.1s) |  P| |    30 | 17.1 |        
     194 | 2020-03-25 14:56:15 |        MASTER-Tunka | (11h 16m 35.54s , +30d 19m 13.0s) |  P| |    30 | 17.2 |        
     249 | 2020-03-25 14:57:04 |        MASTER-Tunka | (11h 16m 35.52s , +30d 17m 42.4s) |  P| |    40 | 17.1 |        
     313 | 2020-03-25 14:58:04 |        MASTER-Tunka | (11h 16m 39.10s , +30d 19m 15.7s) |  P| |    50 | 17.5 |        
     393 | 2020-03-25 14:59:13 |        MASTER-Tunka | (11h 16m 33.29s , +30d 18m 25.1s) |  P| |    70 | 17.9 |        
     643 | 2020-03-25 15:02:59 |        MASTER-Tunka | (11h 08m 06.42s , +26d 38m 13.4s) |  P| |   120 | 18.2 |        
     792 | 2020-03-25 15:05:18 |        MASTER-Tunka | (11h 08m 12.76s , +26d 37m 16.6s) |  P| |   140 | 18.5 |        
    5228 | 2020-03-25 16:19:54 |   MASTER-Kislovodsk | (11h 18m 11.30s , +30d 09m 55.5s) |   C |    60 | 17.1 |        
    5228 | 2020-03-25 16:19:54 |   MASTER-Kislovodsk | (11h 27m 41.11s , +29d 42m 01.1s) |   C |    60 | 17.5 |        
    5309 | 2020-03-25 16:21:15 |   MASTER-Kislovodsk | (11h 05m 15.52s , +28d 09m 12.6s) |   C |    60 | 17.4 |        
    5309 | 2020-03-25 16:21:15 |   MASTER-Kislovodsk | (11h 14m 34.63s , +27d 41m 21.4s) |   C |    60 | 17.6 |        
    5390 | 2020-03-25 16:22:35 |   MASTER-Kislovodsk | (11h 13m 45.48s , +32d 07m 57.3s) |   C |    60 | 17.5 |        
    5390 | 2020-03-25 16:22:35 |   MASTER-Kislovodsk | (11h 23m 26.74s , +31d 40m 04.0s) |   C |    60 | 17.7 |        
    5470 | 2020-03-25 16:23:56 |   MASTER-Kislovodsk | (10h 59m 49.50s , +30d 08m 33.1s) |   C |    60 | 17.8 |        
    5470 | 2020-03-25 16:23:56 |   MASTER-Kislovodsk | (11h 09m 19.34s , +29d 40m 43.5s) |   C |    60 | 17.9 |        
    5551 | 2020-03-25 16:25:16 |   MASTER-Kislovodsk | (11h 18m 16.68s , +30d 09m 33.0s) |   C |    60 | 17.6 |        
    5551 | 2020-03-25 16:25:16 |   MASTER-Kislovodsk | (11h 27m 44.96s , +29d 41m 36.3s) |   C |    60 | 17.9 |        
    5631 | 2020-03-25 16:26:36 |   MASTER-Kislovodsk | (11h 05m 14.16s , +28d 08m 24.5s) |   C |    60 | 17.7 |        
    5631 | 2020-03-25 16:26:36 |   MASTER-Kislovodsk | (11h 14m 32.00s , +27d 40m 31.1s) |   C |    60 | 17.8 |        
    5711 | 2020-03-25 16:27:57 |   MASTER-Kislovodsk | (11h 13m 50.96s , +32d 09m 38.0s) |   C |    60 | 17.5 |        
    5711 | 2020-03-25 16:27:57 |   MASTER-Kislovodsk | (11h 23m 31.48s , +31d 41m 42.2s) |   C |    60 | 18.0 |        
    5792 | 2020-03-25 16:29:18 |   MASTER-Kislovodsk | (10h 59m 44.77s , +30d 09m 23.4s) |   C |    60 | 17.8 |        
    5792 | 2020-03-25 16:29:18 |   MASTER-Kislovodsk | (11h 09m 14.00s , +29d 41m 32.0s) |   C |    60 | 18.1 |        
    5872 | 2020-03-25 16:30:38 |   MASTER-Kislovodsk | (11h 23m 18.78s , +28d 09m 51.7s) |   C |    60 | 17.7 |        
    5872 | 2020-03-25 16:30:38 |   MASTER-Kislovodsk | (11h 32m 35.10s , +27d 41m 53.3s) |   C |    60 | 17.9 |        
    7576 | 2020-03-25 16:59:01 |      MASTER-Tavrida | (10h 59m 11.46s , +26d 01m 29.0s) |   C |    60 | 17.2 |        
   11841 | 2020-03-25 18:10:06 |         MASTER-SAAO | (11h 01m 49.44s , +26d 06m 26.4s) |   C |    60 | 12.1 |        
   12139 | 2020-03-25 18:15:04 |         MASTER-SAAO | (11h 01m 58.23s , +26d 06m 59.4s) |   C |    60 | 13.1 |        
   12705 | 2020-03-25 18:24:30 |         MASTER-SAAO | (11h 11m 47.63s , +26d 05m 56.0s) |   C |    60 | 14.4 |        
   12705 | 2020-03-25 18:24:30 |         MASTER-SAAO | (11h 19m 56.86s , +26d 06m 42.1s) |   C |    60 | 14.0 |        
   13076 | 2020-03-25 18:30:41 |         MASTER-SAAO | (11h 11m 35.71s , +26d 07m 07.0s) |   C |    60 | 15.6 |        
   13076 | 2020-03-25 18:30:41 |         MASTER-SAAO | (11h 19m 45.03s , +26d 07m 51.9s) |   C |    60 | 16.1 |        
Filter C is a clear (unfiltred) band. 


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