Circular No. 7836

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 2002bf IN CGCG 266-031

P. Martin and W. D. Li, University of California at Berkeley, report the LOTOSS (cf. IAUC 7514) discovery of an apparent supernova on unfiltered CCD images taken with the 0.8-m Katzman Automatic Imaging Telescope (KAIT) on Feb. 22.3 (mag about 17.0) and 24.3 UT (mag about 16.6). SN 2002bf is located at R.A. = 10h15m42s.31, Decl. = +55o40'06".7 (equinox 2000.0), which is 0".6 east and 4".0 north of the nucleus of CGCG 266-031. A KAIT image taken on Feb. 3.3 showed nothing at this position (limiting mag about 19.0).

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Host galaxy info: Vel = 7254 km/s, 0.8 x 0.6, 14.7, SB(r)b:

SN type info: Ia

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