[vsnet-grb-info 11932] GRB 120521C - NOT optical limits

GCN Circulars gcncirc at capella2.gsfc.nasa.gov
Tue May 22 09:56:58 JST 2012


TITLE:   GCN CIRCULAR
NUMBER:  13321
SUBJECT: GRB 120521C - NOT optical limits
DATE:    12/05/22 00:56:05 GMT
FROM:    Annalisa De Cia at U of Iceland  <annalisa at raunvis.hi.is>

A. De Cia (U. of Iceland), A. Sandberg (Oskar Klein Centre), J.Hjorth (DARK), N.R. Tanvir (U. of Leicester) and P. Jakobsson (U. of Iceland) report:

We observed the field of GRB 120521C (Baumgartner et al., GCN 13318) with the NOT equipped with MOSCA in the Sloan r and i filters for 10 minutes, starting at 0:09 UT (47 min after the GRB trigger).

No significant source was detected at the burst position, down to r > 23.6 mag, calibrated against SDSS stars.


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