[AAVSO-HEN] GRB 080121: Nearby SDSS galaxies

grb at aavso.org grb at aavso.org
Wed Jan 23 17:51:49 EST 2008


The following is a GCN Circular circulated via the AAVSO network.
For an archive and more information on circulars visit:
http://lheawww.gsfc.nasa.gov/docs/gamcosray/legr/bacodine/gcn3_archive.html

TITLE:   GCN CIRCULAR
NUMBER:  7210
SUBJECT: GRB 080121: Nearby SDSS galaxies
DATE:    08/01/23 22:51:25 GMT
FROM:    Daniel Perley at U.C. Berkeley  <dperley at astro.berkeley.edu>

D. A. Perley, R. J. Foley, and J. S. Bloom (UC Berkeley) report:

Two SDSS spectroscopically-catalogued galaxies are present in NED* 
within the Swift-BAT error circle of GRB 080121 (Cummings et al., GCN 7209):

SDSS J090858.15+414926.5   09:08:58.1 +41:49:27 z=0.045322
SDSS J090904.12+415033.2   09:09:04.1 +41:50:33 z=0.046041

Several other, fainter extended sources are also present in the field, 
possibly indicating that this GRB may have occurred within a group or 
small cluster.  At a redshift of z=0.046, the isotropic energy release 
would be ~10^47 erg, several orders of magnitude less than typical 
short-hard bursts.

* The NASA/IPAC Extragalactic Database (NED) is operated by the Jet 
Propulsion Laboratory, California Institute of Technology, under 
contract with the National Aeronautics and Space Administration.



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