GCN Circular 243
Subject
GRB 990123: New Constraints on Possible Foreground Galaxies
Event
Date
1999-02-01T15:21:54Z (26 years ago)
From
George Djorgovski at Caltech/Palomar <george@oracle.caltech.edu>
GRB 990123: New Constraints on Possible Foreground Galaxies
S. G. Djorgovski, S. R. Kulkarni, J. S. Bloom, C. Koresko, R. R. Gal,
S. C. Odewahn (Caltech), M. A. Malkan, I. S. McLean (UCLA), H. I. Teplitz
(GSFC), D. Koerner (U. Penn.), D. Kirkpatrick (IPAC), and D. A. Frail (NRAO),
report on behalf of the Caltech-UC-NRAO-CARA GRB collaboration:
We performed a new differential astrometry between the Palomar discovery
images of the optical transient (OT) associated with GRB 990123 (GCN 201