Circular No. 7758

Central Bureau for Astronomical Telegrams INTERNATIONAL ASTRONOMICAL UNION Mailstop 18, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A. IAUSUBS@CFA.HARVARD.EDU or FAX 617-495-7231 (subscriptions) BMARSDEN@CFA.HARVARD.EDU or DGREEN@CFA.HARVARD.EDU (science) URL http://cfa-www.harvard.edu/iau/cbat.html Phone 617-495-7244/7440/7444 (for emergency use only)

SUPERNOVA 2001gb IN IC 582

M. Schwartz, Cottage Grove, OR; and W. D. Li, University of California at Berkeley, on behalf of LOTOSS (cf. IAUC 7514), report the discovery of an apparent supernova on an unfiltered image taken with the 0.5-m Tenagra III automated telescope on Nov. 20.5 UT (mag about 16.8). SN 2001gb is confirmed at mag about 18.2 on an earlier image taken by the Katzman Automatic Imaging Telescope (KAIT) on Nov. 11.5. The new object is located at R.A. = 9h59m00s.96, Decl. = +17o49'12".4 (equinox 2000.0), which is about 10".8 east and 11".1 north of the nucleus of IC 582. A KAIT image taken on Apr. 24.3 showed nothing at this position (limiting mag about 19.0).

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Host galaxy info: vel = 7714 km/s, 1.1 x 1.0, 14.7, S

SN type info: Ia

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