GCN Circular 27465

Subject

GRB 200325B: Mondy continued observations

Event

GRB 200325B

Date

2020-03-28T21:26:56Z (6 years ago)

From

Alexei Pozanenko at IKI, Moscow <apozanen@iki.rssi.ru>

S. Belkin (IKI),  A. Pozanenko (IKI), E. Klunko (ISTP),  M. Eselevich 
(ISTP), E. Mazaeva (IKI), A. Volnova (IKI) report on behalf of IKI-GRB-FuN:

We observed the  MASTER OT J111012.51+274912.8  (Lipunov et al., GCN 
27446Loading...
 
 )  afterglow of the Fermi GRB 200325B (Fermi GBM team, GCN 27441Loading...
 
 ) 
with AZT-33IK 1.5-m telescope of Sayan observatory (Mondy) starting on 
2020-03-27 (UT) 14:07:34.
Preliminary photometry of the OT is following.

Date UT start       t-T0  Filter Exp. OT Err UL(3sigma)
                         (mid, days) (s)
2020-03-27 14:07:34 1.9877   R 28*120  21.15  0.06  23.1


the photometry is based on nearby SDSS-DR12 stars
RA DEC               R(Lupton transformations)
167.569191 27.848262 16.015
167.513655 27.832992 16.930
167.510507 27.850424 15.261

The photometry presented above corroborates the photometry presented by 
LCO (Strausbaugh et al. GCN 27456Loading...
 
 ) at about the same time.