[vsnet-grb-info 25380] Fermi GRB 200402C: Global MASTER-Net observations report

Fri Apr 3 06:17:52 JST 2020

TITLE:   GCN CIRCULAR
NUMBER:  27480
SUBJECT: Fermi GRB 200402C: Global MASTER-Net observations report 
DATE:    20/04/02 21:15:14 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-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 GRB 200402C ( Fermi GBM team, GCN 27479) errorbox  795 sec after notice time and 824 sec after trigger time at 2020-04-02 20:00:07 UT, with upper limit up to  18.8 mag. The observations began at zenith distance = 71 deg. The sun  altitude  is -38.9 deg. 

MASTER-Tavrida robotic telescope  located in Russia (Lomonosov MSU, SAI Crimea astronomical station) started inspect of the Fermi GRB 200402C errorbox  3198 sec after notice time and 3226 sec after trigger time at 2020-04-02 20:40:09 UT, with upper limit up to  17.5 mag. The observations began at zenith distance = 64 deg. The sun  altitude  is -38.5 deg. 

The galactic latitude b = 41 deg., longitude l = 351 deg.

Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1328483

We obtain a following upper limits.  

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

     914 | 2020-04-02 20:00:07 |   MASTER-Kislovodsk | (15h 39m 46.92s , -02d 19m 10.2s) |   C |   180 | 18.5 |        
    1342 | 2020-04-02 20:07:15 |   MASTER-Kislovodsk | (15h 41m 28.75s , -04d 17m 34.1s) |   C |   180 | 18.5 |        
    1543 | 2020-04-02 20:10:36 |   MASTER-Kislovodsk | (15h 39m 42.18s , -02d 18m 24.0s) |   C |   180 | 18.8 |        
    1744 | 2020-04-02 20:13:56 |   MASTER-Kislovodsk | (15h 44m 19.40s , -06d 18m 32.7s) |   C |   180 | 18.7 |        
    1884 | 2020-04-02 20:17:17 |   MASTER-Kislovodsk | (14h 59m 55.59s , -08d 17m 44.2s) |   C |    60 | 18.4 |        
    1965 | 2020-04-02 20:18:37 |   MASTER-Kislovodsk | (15h 04m 49.88s , -10d 17m 55.1s) |   C |    60 | 18.2 |        
    2045 | 2020-04-02 20:19:58 |   MASTER-Kislovodsk | (14h 56m 01.60s , -06d 17m 06.3s) |   C |    60 | 18.6 |        
    2126 | 2020-04-02 20:21:18 |   MASTER-Kislovodsk | (15h 12m 12.24s , -06d 17m 29.7s) |   C |    60 | 18.1 |        
    2466 | 2020-04-02 20:25:59 |   MASTER-Kislovodsk | (15h 41m 29.86s , -04d 18m 49.1s) |   C |   180 | 18.8 |        
    2868 | 2020-04-02 20:32:40 |   MASTER-Kislovodsk | (15h 44m 17.84s , -06d 18m 41.3s) |   C |   180 | 18.6 |        
    3209 | 2020-04-02 20:39:22 |   MASTER-Kislovodsk | (14h 59m 51.89s , -08d 16m 45.8s) |   C |    60 | 18.4 |        
    3257 | 2020-04-02 20:40:09 |      MASTER-Tavrida | (14h 57m 13.88s , -03d 29m 26.4s) |   C |    60 | 15.2 |        
    3290 | 2020-04-02 20:40:42 |   MASTER-Kislovodsk | (15h 07m 57.40s , -08d 15m 55.7s) |   C |    60 | 18.3 |        
    3370 | 2020-04-02 20:42:03 |   MASTER-Kislovodsk | (15h 04m 56.13s , -10d 16m 49.8s) |   C |    60 | 18.3 |        
    3451 | 2020-04-02 20:43:24 |   MASTER-Kislovodsk | (15h 12m 55.89s , -10d 18m 00.2s) |   C |    60 | 18.3 |        
    3531 | 2020-04-02 20:44:44 |   MASTER-Kislovodsk | (14h 56m 09.67s , -06d 17m 04.1s) |   C |    60 | 18.6 |        
    3612 | 2020-04-02 20:46:04 |   MASTER-Kislovodsk | (15h 04m 09.25s , -06d 15m 45.8s) |   C |    60 | 18.4 |        
    3692 | 2020-04-02 20:47:25 |   MASTER-Kislovodsk | (15h 12m 10.84s , -06d 17m 24.2s) |   C |    60 | 18.4 |        
    3773 | 2020-04-02 20:48:45 |   MASTER-Kislovodsk | (15h 20m 16.38s , -06d 16m 07.6s) |   C |    60 | 18.5 |        
    3819 | 2020-04-02 20:49:32 |      MASTER-Tavrida | (15h 05m 20.26s , -03d 28m 42.8s) |   C |    60 | 15.7 |        
    4141 | 2020-04-02 20:54:53 |      MASTER-Tavrida | (14h 55m 36.26s , -01d 28m 41.2s) |   C |    60 | 17.4 |        
    4221 | 2020-04-02 20:56:14 |      MASTER-Tavrida | (14h 42m 24.22s , -11d 28m 11.8s) |   C |    60 | 16.3 |        
    4302 | 2020-04-02 20:57:34 |      MASTER-Tavrida | (14h 41m 17.34s , -03d 29m 15.5s) |   C |    60 | 17.4 |        
    4455 | 2020-04-02 21:00:08 |   MASTER-Kislovodsk | (15h 07m 59.11s , -08d 17m 23.8s) |   C |    60 | 18.3 |        
    4535 | 2020-04-02 21:01:28 |   MASTER-Kislovodsk | (15h 13m 04.45s , -10d 17m 09.9s) |   C |    60 | 18.3 |        
    4543 | 2020-04-02 21:01:36 |      MASTER-Tavrida | (14h 55m 41.60s , -01d 28m 02.6s) |   C |    60 | 17.5 |        
    4616 | 2020-04-02 21:02:48 |   MASTER-Kislovodsk | (15h 04m 10.48s , -06d 15m 39.0s) |   C |    60 | 18.4 |        
    4624 | 2020-04-02 21:02:56 |      MASTER-Tavrida | (15h 03m 36.08s , -01d 28m 52.9s) |   C |    60 | 17.5 |        
    4696 | 2020-04-02 21:04:09 |   MASTER-Kislovodsk | (15h 20m 14.75s , -06d 17m 33.2s) |   C |    60 | 18.2 |        
    4704 | 2020-04-02 21:04:17 |      MASTER-Tavrida | (14h 42m 19.74s , -11d 27m 19.2s) |   C |    60 | 17.0 |        
    4776 | 2020-04-02 21:05:29 |   MASTER-Kislovodsk | (14h 45m 21.39s , -14d 15m 54.5s) |   C |    60 | 18.2 |        
    4785 | 2020-04-02 21:05:37 |      MASTER-Tavrida | (14h 50m 35.10s , -11d 28m 24.6s) |   C |    60 | 16.2 |        
    4856 | 2020-04-02 21:06:49 |   MASTER-Kislovodsk | (15h 25m 32.44s , -04d 16m 40.2s) |   C |    60 | 18.3 |        
    4865 | 2020-04-02 21:06:58 |      MASTER-Tavrida | (14h 41m 12.31s , -03d 29m 30.5s) |   C |    60 | 17.4 |        
    4937 | 2020-04-02 21:08:10 |   MASTER-Kislovodsk | (15h 28m 20.50s , -06d 17m 26.3s) |   C |    60 | 18.2 |        
    4946 | 2020-04-02 21:08:19 |      MASTER-Tavrida | (14h 49m 17.89s , -03d 29m 21.3s) |   C |    60 | 17.4 |        
    5018 | 2020-04-02 21:09:30 |   MASTER-Kislovodsk | (14h 32m 27.83s , -10d 16m 08.1s) |   C |    60 | 18.2 |        
Filter C is a clear (unfiltred) band. 

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