GCN Circular 5008
Subject
GRB060425:MASTER survey observations
Date
2006-04-27T15:19:39Z (19 years ago)
From
Vladimir Lipunov at Moscow State U/Krylov Obs <gcncirc@observ.inetcomm.ru>
V. Lipunov, V.Kornilov, N.Tyurina, A.Belinski, D.Kuvshinov, E.Gorbovskoy,
A.Krylov, G.Borisov, A.Sankovich, V.Vladimirov, P.Gritsyk, S.Korobkin
Sternberg Astronomical Institute, Moscow Union 'Optic'
MASTER robotic system (http://observ.pereplet.ru) observed
GRB060425 error box (GRB_TIME is 2006-04-25 16:57:40 UT, IPN
triangulation
GCN5005) in survey mode at considerable zenit distances. The weather was
good.
The first image was at 2006-04-26 18:17:03.46 UT,
1.05 days after the GRB time. The last image was at 2006-04-26
19:53:07.00 UT, 1.12 days after the GRB time.
We have 54 images.
The location of our samples you can find at
http://observ.pereplet.ru/images/GRB060425/GRB060425_ErrorBox_master.jpg
The unfiltered image is calibrated relative to USNO A2.0 (0.8 R + 0.2 B).
There is 1 bright galaxies in error box NGC5476 (14 08 08.48 -06 05 31.2).
The robot not find SN-candidate in error box brighter then 17.5 (s/n=3).
The robot find several asteroids in error box brighter then 17.5 (s/n=3)
at error box:
| number | name | coord2000 | mag
+--------+---------------+---------------------------------+------|
| 1105 | Volland | 14h 14m 10.3s , - 3d 15m 31s) | 17.5 |
| 104 | Asta | ( 14h 13m 18.7s , - 3d 57m 7s) | 14.9 |
| 111 | Euboea | ( 14h 5m 56.8s , - 6d 59m 32s) | 14.2 |
| 3652 | 2000 QZ79 | ( 14h 5m 52.7s , - 6d 50m 53s) | 17.4 |
| 1403 | 1995 HR | ( 14h 4m 5.1s , - 7d 59m 30s) | 16.4 |
So as possible OT time decay may be about 1 day
we plan additional observations.
MASTER team thanks to Konus-Wind team for collaboration.
This work is supported by RFFI 04-02-16411 grant.
This message can be cited.
Mailto: lipunov@sai.msu.ru