[vsnet-grb-info 3237] GRB 060502B MDM Follow-up Observation

GCN Circulars gcncirc at capella.gsfc.nasa.gov
Thu May 4 20:23:06 JST 2006


TITLE:   GCN GRB OBSERVATION REPORT
NUMBER:  5072
SUBJECT: GRB 060502B MDM Follow-up Observation
DATE:    06/05/04 11:22:23 GMT
FROM:    Jules Halpern at Columbia U.  <jules at astro.columbia.edu>

J. P. Halpern (Columbia U.) and N. Mirabal (U. Michigan) report:

"Following our initial report in GCN 5066, we continued observing the
XRT location of Swift short GRB 060502B (Troja et al., GCNs 5055,5063)
in the R band on the MDM 1.3m telescope on May 3 and 4 UT.  In a summed
75 minute exposure centered at May 3 09:02 UT, we clearly detect the faint
galaxy candidate "G1" seen in the Gemini North image of Berger et al.
(GCN 5064) that was taken about 1.5 hours later.  Observing on the
following night, a summed 105 minute exposure centered at May 4 08:56 UT
again shows "G1" at about the same magnitude.  We measure R~23.9 for this 
object, somewhat brighter than Berger et al. (GCN 5064).  MDM images of
this field are posted at

http://www.astro.columbia.edu/~jules/grb/060502b/

This message may be cited."



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