GCN Circular 13878
Subject
GRB 121017A: 1.23m CAHA R-band observations
Date
2012-10-18T00:31:03Z (12 years ago)
From
Javier Gorosabel at IAA-CSIC <jgu@iaa.es>
J. Gorosabel (IAA-CSIC, Granada), S. Mottola (DLR, Berlin), report on
behalf of a larger collaboration:
"We imaged the field of the Swift GRB 121017A (Grupe et al., GCN Circ.
13875) with the 1.23m Calar Alto telescope. The observations were carried
out in the R-band on Oct. 17.85440--17.86153 UT (1.11--1.29 hours post
burst) with a total exposure time of 2x300s. No optical source brighter
than R~20 was found within the XRT error circle."