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GCN Circular 4953

Subject
GRB060403: Optical Limit
Date
2006-04-05T02:28:16Z (19 years ago)
From
Adalberto Piccioni at Astronomy, Bologna U. <adb@piccio.org>
F. Terra, (Second University of Roma "Tor Vergata"), C.
Bartolini, G. Greco, A. Guarnieri, A. Piccioni (Bologna
University),  D. Nanni (INAF/OAR and Second University
of Roma "Tor Vergata"), S. Galleti, R. Gualandi (INAF
Bologna) and G. Pizzichini (INAF/IASF Bologna) report:

Using the 152 cm Loiano telescope equipped with the
BFOSC camera system, we obtained in poor sky conditions
(seeing = 2.7 arcsecs) two Rc-band images (2 x 900 sec) of
the field of the GRB060403 (Boyd et al., GCN 4945, Mangano
et al., GCN 4947) starting at April 4.0778 and 4.0898
respectively. A preliminary comparison with the DSS-2 does
not reveal any new source brighter than the DSS-2 limit
within 1' from the XRT location. Our co-added image reaches
a detection limit slightly deeper than Rc=19.
The Rc co-added image has been posted in our public
directory from where it can be retrieved by sftp using:
hostname: ermione.bo.astro.it
username: publicGRB
password: GRB_bo.
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