Circular No. 7410

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 2000cb IN IC 1158

M. Papenkova and W. D. Li, University of California at Berkeley, on behalf of the Lick Observatory Supernova Search (cf. IAUC 7406), report the discovery, on an unfiltered image taken on Apr. 27.4 UT with the 0.8-m Katzman Automatic Imaging Telescope (KAIT), of an apparent supernova (mag about 18.0) located at R.A. = 16h01m32s.15, Decl. = +1 42'23".0 (equinox 2000.0), which is 29".5 west and 4".2 south of the nucleus of IC 1158. A KAIT image taken on Apr. 24.4 also shows SN 2000cb at mag about 18.5, but an Apr. 9.4 image shows nothing at this position (limiting mag about 19.0).

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Host galaxy info: V = 1927 km/s, SAB(r)c:, 2.5' x 1.7', mag 13.3

SN type info: II

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