[vsnet-grb-info 10048] GRB 101225: Optical follow-up of the Christmas burst

GCN Circulars gcncirc at capella2.gsfc.nasa.gov
Tue Dec 28 22:07:24 JST 2010


TITLE:   GCN CIRCULAR
NUMBER:  11503
SUBJECT: GRB 101225: Optical follow-up of the Christmas burst
DATE:    10/12/28 13:07:20 GMT
FROM:    Antonio Deugarte at IAA-CSIC  <deugarte at iaa.es>

C. C. Thoene, J. Gorosabel, S. Guziy, P. Kubánek, A. J. Castro-Tirado
(IAA-CSIC), A. de Ugarte Postigo (DARK-NBI) and D. Xu (Weizmann Institute)
report:

"We observed the afterglow of the "Christmas burst" GRB 101225A (GCN
11493, Racusin et al.) on Dec. 26, starting 18:49 UT (1.008 days after the
burst onset) with the 1.23m telescope at the Spanish-German Calar Alto
Observatory in Southern Spain. Observations were obtained in V, R and I
with total exposure times of 21x180s, 19x180s and 17x180s respectively.



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