Circular No. 7436

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 2000cn IN UGC 11064

M. Papenkova and W. D. Li, University of California at Berkeley, on behalf of the Lick Observatory Supernova Search (cf. IAUC 6627, 7126), report the discovery with the 0.8-m Katzman Automatic Imaging Telescope of an apparent supernova on unfiltered images taken on June 2.5 (mag about 17.4) and 3.4 UT (mag about 16.9). SN 2000cn is located at R.A. = 17h57m40s.42, Decl. = +27o49'58".1 (equinox 2000.0), which is 7".2 west and 7".2 south of the nucleus of UGC 11604. An unfiltered image of the field taken on May 29.5 showed nothing at the position of the new object (limiting mag about 19.0).

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Host galaxy info: V = 7043 km/s, 1.9' x 1.9'; Scd:; mag 13.6

SN type info: SN Ia

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