GCN Circular 27772
Subject
GRB 200519A: R-band follow-up from HCT
Date
2020-05-21T10:52:29Z (4 years ago)
From
Brajesh Kumar at Indian Inst. of Astrophysics <brajesh.kumar@iiap.res.in>
Brajesh Kumar, Anirban Dutta, Avinash Singh, G. C. Anupama, D. K. Sahu
and Pramod Kumar (IIA, Bengaluru)
We observed the optical afterglow of GRB 200519A (Sbarufatti et al., GCN
27756) with the 2-m Himalayan Chandra Telescope (HCT) located at the
Indian Astronomical Observatory, Hanle, India. The observations started
on 2020-05-19 (20:10:35 UT) under good sky conditions and three
consecutive frames (120, 240, and 240 sec) in Bessell R-band were
obtained. The OT candidate (Kong et al., GCN 27757, Strausbaugh et al.,
GCN 27759, Hu et al., GCN 27760, Kumar et al., GCN 27764, Kumar et al.
GCN 27767, Siegel & Sbarufatti, GCN 27769) is clearly detected in each
frame. The preliminary photometry is performed relative to the USNO-B1.0
catalogue. The initial magnitude of the OT is 19.70 +- 0.10 (uncorrected
for the galactic extinction).
We thank the observing staff at IAO and CREST for helping with the
observations.