[vsnet-grb-info 25367] GRB 200325B: Mondy continued observations

[GCN Circulars]

TITLE:   GCN CIRCULAR
NUMBER:  27467
SUBJECT: GRB 200325B: Mondy continued observations
DATE:    20/03/29 12:18:52 GMT
FROM:    Alexei Pozanenko at IKI, Moscow  <apozanen at 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
27446)  afterglow of the Fermi GRB 200325B (Fermi GBM team, GCN 27441)
with AZT-33IK 1.5-m telescope of Sayan observatory (Mondy) starting on
2020-03-28 (UT) 14:50:17.
Preliminary photometry of the OT is following.

Date UT start       t-T0  Filter Exp. OT Err UL(3sigma)
                          (mid, days) (s)
2020-03-28 14:50:17 3.01182  R 20*120  21.82  0.13  23.4


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