[vsnet-grb-info 22051] Swift GRB190422.96 Global MASTER-Net observations report
GCN Circulars
gcncirc at capella2.gsfc.nasa.gov
Tue Apr 23 09:32:07 JST 2019
TITLE: GCN CIRCULAR
NUMBER: 24150
SUBJECT: Swift GRB190422.96 Global MASTER-Net observations report
DATE: 19/04/23 00:31:21 GMT
FROM: Vladimir Lipunov at Moscow State U/Krylov Obs <lipunov at xray.sai.msu.ru>
V. Lipunov, E. Gorbovskoy, V.Kornilov, D.Kuvshinov, N.Tyurina, P.Balanutsa,
A.Kuznetsov, V.V.Chazov, D. Vlasenko
Lomonosov Moscow State University,
Sternberg Astronomical Institute, Moscow State University
A. Tlatov, V.Senik, A.V. Parhomenko, D. Dormidontov
Kislovodsk Solar Station of the Pulkovo Observatory
K. Ivanov, O. Gres, N.M. Budnev, S. Yazev, O. Chuvalaev, V. Poleshchuk
Irkutsk State University
V. Yurkov, A. Gabovich, Yu. Sergienko
Blagoveschensk Educational State University, Blagoveschensk
R. Podesta, Carlos Lopez and F. Podesta
Observatorio Astronomico Felix Aguilar (OAFA)
Hugo Levato and Carlos Saffe
Instituto de Ciencias Astronomicas, de la Tierra y del Espacio (ICATE)
R. Rebolo, M. Serra, N. Lodieu, G. Israelian, L. Suarez-Andres
The Instituto de Astrofisica de Canarias
D. Buckley, S. Potter, A. Kniazev, M. Kotze
South African Astronomical Observatory
MASTER-OAFA robotic telescope (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L) located in Argentina (OAFA observatory of San Juan National University) was pointed to the Swift GRB190422.96 ( 12h 8m 29.76s , -60d 14m 16.80s, R=0.05) errorbox 128 sec after trigger time at 2019-04-22 22:57:37 UT, with upper limit up to 17.7 mag. Observations started at twilight. The observations began at zenit distance = 47 deg. The sun altitude is -11.4 deg.
The galactic latitude b = -60 deg., longitude l = 98 deg.
Real time updated cover map and OT discovered available here:
https://master.sai.msu.ru/site/master2/observ.php?id=1000655
We obtain a following upper limits.
Tmid-T0 | Site |Filt.| Expt. | Limit| Comment
_________|_____________________|_____|_______|______|________
138 | MASTER-OAFA | C | 20 | 16.4 |
207 | MASTER-OAFA | C | 40 | 16.7 |
290 | MASTER-OAFA | C | 50 | 16.8 |
392 | MASTER-OAFA | C | 70 | 17.0 |
512 | MASTER-OAFA | C | 90 | 17.2 |
656 | MASTER-OAFA | C | 120 | 17.4 |
830 | MASTER-OAFA | C | 150 | 17.5 |
1034 | MASTER-OAFA | C | 180 | 17.6 |
1252 | MASTER-OAFA | C | 180 | 17.6 |
1471 | MASTER-OAFA | C | 180 | 17.7 |
1690 | MASTER-OAFA | C | 180 | 17.7 |
1909 | MASTER-OAFA | C | 180 | 17.7 |
2130 | MASTER-OAFA | C | 180 | 17.7 |
2348 | MASTER-OAFA | C | 180 | 17.7 |
2567 | MASTER-OAFA | C | 180 | 17.7 |
Filter C is a clear (unfiltred) band.
The observation and reduction will continue.
The message may be cited.
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