[vsnet-grb-info 21794] GRB 190211A: DOAO optical observation

[GCN Circulars]

TITLE:   GCN CIRCULAR
NUMBER:  23893
SUBJECT: GRB 190211A: DOAO optical observation
DATE:    19/02/12 14:47:34 GMT
FROM:    Gregory SungHak Paek at SNU  <shpaek at astro.snu.ac.kr>

Gregory S.H. Paek, Myungshin Im (CEOU/SNU), Taewoo Kim, and Wonseok Kang
(DOAO) on behalf of a larger collaboration

We observed the afterglow of GRB 190211A(Marshall et al., GCN 23883; Xu et
al., GCN 23884; Lipunov et al., GCN 23885; Hu et al., GCN 23886; Stamatikos
et al., GCN 23887; Evans et al., GCN 23888) with the 1.0-m telescope at the
Deokheung Optical Astronomy Observatory.
The observation started at 2019-02-11 18:28 UT or about 1.5 hours after the
initial alert.
The afterglow is detected in R bands, and preliminary magnitudes are
derived, using nearby Pan-STARRS stars as photometry references.

Filter Date UT-start exptime[sec] AB_mag
R    2019-02-11 18:28:45        300*3    21.27 +/- 0.2