GCN Circular 36121
Subject
GRB 240415A: Mondy optical transient detection (photometry correction in GCN 36118 )
Date
2024-04-15T20:42:11Z (6 months ago)
From
Alexei Pozanenko at IKI, Moscow <apozanen@iki.rssi.ru>
Via
legacy email
N. Pankov (HSE, IKI), A. Pozanenko (IKI), E. Klunko (ISTP), A. Moskvitin (SAO RAS), S. Belkin (IKI) report on behalf of GRB-IKI-FuN:
We report correction to the GCN 36118 (Pankov et al.) and additional photometry in subsequent epochs.
Preliminary photometry of the optical transient is following:
Date UT_start MJD Filter Exp. OT err UL(3sigma)
(mid, days) (s)
2024-04-15 14:33:22 60415.627345 R 30*120 19.9 0.1 21.8
2024-04-15 16:13:49 60415.697104 R 30*120 20.5 0.1 21.9
2024-04-15 17:20:02 60415.732668 R 15*120 20.9 0.1 21.9
The magnitudes were calibrated using nearby USNO-B1.0 stars.