Skip to main content
Announcing GCN Classic Migration Survey, End of Legacy Circulars Email. See news and announcements

GCN Circular 7031

Subject
GRB 071101: a nearby galaxy
Date
2007-11-01T19:52:45Z (17 years ago)
From
Eran Ofek at Tel Aviv U. <eran@wise1.tau.ac.il>
E. Ofek (Caltech) reports:

I note the presence of a 2MASS-cataloged galaxy, 2MASX J03124721+6231391,
just outside the BAT localization region for the short-duration burst
GRB 071101 (McBreen et al. 2007; GCN 7030).
The galaxy is located 3.3 arcmin. from the nominal BAT localization.
By analyzing all the Swift BAT and XRT observed GRB positions,
I find that the probability that the BAT localization is off by
more than 3.3 arcmin is about 3%.
The galaxy J2000.0 position is: 03:12:47.2 +62:31:39, and it
has a total K-band magnitude of 11.4.

This research has made use of the NASA/IPAC Extragalactic Database
(NED) which is operated by the Jet Propulsion Laboratory, California
Institute of Technology, under contract with the National Aeronautics
and Space Administration.
Looking for U.S. government information and services? Visit USA.gov