GCN Circular 31773
Subject
GRB 220319A: Mondy optical uper limit
Event
Date
2022-03-20T09:57:51Z (4 years ago)
From
Alexei Pozanenko at IKI, Moscow <apozanen@iki.rssi.ru>
S. Belkin (IKI, HSE), A. Pozanenko (IKI), E. Klunko (ISTP), N. Pankov
(HSE) report on behalf of GRB IKI FuN:
We observed the field of GRB 220319A (Page et al., GCN 31769) with
AZT-33 telescope of Mondy observatory starting on Mar. 19 (UT) 18:25:41.
We do not detect any optical counterpart within the Swift/XRT error box
(Page et al., GCN 31769; Goad et al., GCN 31771). Preliminary photometry
of the field is following
Date UT start t-T0 Filter Exp. OT Err UL(3sigma)
2022-03-19 18:25:41 0.04523 R 40*60 n/d n/d 21.7
The photometry is based on the nearby SDSS-DR12 stars R (Lupton
transformations)
R.A. Dec R
14:33:05.13264 +61:18:55.9584 16.1498
14:32:35.99328 +61:17:16.0764 16.5417