GCN Circular 23949
Subject
GRB190311A: MASTER Global Robotic Net OT optical observation
Date
2019-03-11T16:18:57Z (5 years ago)
From
Vladimir Lipunov at Moscow State U/Krylov Obs <lipunov@xray.sai.msu.ru>
E. Gorbovskoy, V. Lipunov, E. Gorbovskoy, N.Tyurina, V.Kornilov,
D.Vlasenko, V.Vladimirov, D.Zimnukhov,
A.Kuznetsov, P.Balanutsa, A. Chasovnikov, D.Kuvshinov (Lomonosov Moscow State
University, SAI, Physics Department),
O. Gress, N.M. Budnev, O.Ershova, Yu.Ishmuhametova (Applied Physics Institute,
Irkutsk State University),
V. Yurkov, A. Gabovich, Yu. Sergienko, D. Kobcev (Blagoveschensk Educational
State University),
R. Rebolo, M. Serra, N. Lodieu, G. Israelian, L. Suarez-Andres (The Instituto
de Astrofisica de Canarias),
D. Buckley (South African Astronomical Observatory),
A. Tlatov, V.Senik, A.V. Parhomenko, D. Dormidontov (Kislovodsk Solar Station
of the Pulkovo Observatory),
R. Podesta, C. Lopez, C.Francile, F. Podesta (Observatorio Astronomico Felix
Aguilar OAFA),
H.Levato (Instituto de Ciencias Astronomicas, de la Tierra y del Espacio ICATE)
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) was pointed to the GRB190311.6 (Troja et al.,
23946) 55 sec after notice time
and 66 sec after trigger time at 2019-03-11 14:24:45 UT. On our third (30
s exposure) set we found optical transient within SWIFT
error-box at Swift UVOT position (Troja et al., 23946).
m ~ 17.5
RA, DEC = 14:08:15.72, +53:30:02.9
err = 1 arcsec
We obtain a following images with OT:
Tmid-T0 | Site |Filt.| Expt. | Limit | Comment
_________|_____________________|_____|_______|_______|________
109 | MASTER-Tunka | P- | 10 | 16.82 |
109 | MASTER-Tunka | P- | 80 | 18.47 | Coadd
109 | MASTER-Tunka | P| | 10 | 16.69 |
109 | MASTER-Tunka | P| | 80 | 18.33 | Coadd
231 | MASTER-Tunka | P| | 30 | 17.60 |
231 | MASTER-Tunka | P- | 30 | 17.74 |
338 | MASTER-Tunka | P| | 40 | 17.70 |
338 | MASTER-Tunka | P- | 40 | 17.87 |
462 | MASTER-Amur | P/ | 60 | 13.12 |
465 | MASTER-Tunka | P| | 60 | 18.12 |
465 | MASTER-Tunka | P| | 250 | 19.14 | Coadd
465 | MASTER-Tunka | P- | 60 | 18.21 |
465 | MASTER-Tunka | P- | 250 | 19.24 | Coadd
593 | MASTER-Amur | P/ | 60 | 12.20 |
614 | MASTER-Tunka | P| | 80 | 18.50 |
614 | MASTER-Tunka | P- | 80 | 18.43 |
808 | MASTER-Tunka | P| | 110 | 18.65 |
808 | MASTER-Tunka | P- | 110 | 18.65 |
1032 | MASTER-Tunka | P| | 140 | 18.56 |
1032 | MASTER-Tunka | P| | 490 | 19.35 | Coadd
1032 | MASTER-Tunka | P- | 140 | 18.55 |
1032 | MASTER-Tunka | P- | 490 | 19.30 | Coadd
1305 | MASTER-Tunka | P| | 170 | 18.64 |
1305 | MASTER-Tunka | P- | 170 | 18.63 |
1622 | MASTER-Tunka | P| | 180 | 19.02 |
1623 | MASTER-Tunka | P- | 180 | 18.89 |
1949 | MASTER-Tunka | P| | 180 | 17.67 |
1949 | MASTER-Tunka | P| | 540 | 19.26 | Coadd
1949 | MASTER-Tunka | P- | 180 | 17.63 |
1949 | MASTER-Tunka | P- | 540 | 19.22 | Coadd
2284 | MASTER-Tunka | P| | 180 | 18.90 |
2284 | MASTER-Tunka | P- | 180 | 18.98 |
2616 | MASTER-Tunka | P| | 180 | 19.01 |
2949 | MASTER-Tunka | P| | 180 | 19.10 |
2949 | MASTER-Tunka | P| | 540 | 19.83 | Coadd
2949 | MASTER-Tunka | P- | 540 | 19.72 | Coadd
3959 | MASTER-Tunka | P- | 540 | 19.60 | Coadd
3959 | MASTER-Tunka | P| | 540 | 19.87 | Coadd
5650 | MASTER-Tunka | P| | 180 | 19.20 |
5650 | MASTER-Tunka | P- | 180 | 18.89 |
5979 | MASTER-Tunka | P- | 180 | 18.74 |
5979 | MASTER-Tunka | P| | 180 | 19.02 |
6312 | MASTER-Tunka | P| | 180 | 18.66 |
6312 | MASTER-Tunka | P- | 180 | 18.79 |
The 5-sigma upper limit has been about 16.32mag
The message may be cited.
====================================================================
The galactic latitude b = 60 deg., longitude l = 99 deg.
The observations made on zenit distance = 48 deg.The moon (22 % bright
part) is 14 deg. above the horizon. The distance between moon and object
is 113
The sun altitude is -30.2 deg.
The object can be observed till sunrise at 2019-03-12 23:26:58.
This message can be cited.