Skip to main content
Testing. You are viewing the public testing version of GCN. For the production version, go to https://gcn.nasa.gov.
New Announcement Feature, Code of Conduct, Circular Revisions. See news and announcements

GCN Circular 6731

Subject
GRB 070809: Optical Pre-imaging from Palomar
Date
2007-08-09T22:55:44Z (17 years ago)
From
Daniel Perley at U.C. Berkeley <dperley@astro.berkeley.edu>
D. A. Perley (UC Berkeley), P. Nugent (LBL), and J. S. Bloom (UCB) report:

We have created a stacked image through the co-addition of 8
unfiltered images taken by the NEAT collaboration and 13 images in
the RG610 filter taken by the Palomar-Quest Consortium at the Palomar
Oschin Schmidt telescope (obtained from 2002-2006) of GRB 070809 
(Marshall et al., GCN 6728), possibly a short-hard burst.

No object is detected within the XRT error circle (GCN 6728) to a 
limiting magnitude (3-sigma) of R~22.3.

This message may be cited.
Looking for U.S. government information and services? Visit USA.gov