Circular No. 7211

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 1999cw IN MCG 01-02-001

R. Johnson 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 (KAIT) of an apparent supernova on unfiltered images taken on June 28.5 and 29.5 UT, both with mag about 14.2. The new object is located at R.A. = 0h20m01s.46, Decl. = -6o20'03".6 (equinox 2000.0), which is 21".1 east and 1".5 south of the nucleus of MCG -01-02-001. A KAIT image of the same field on 1998 Aug. 15.5 (limiting magnitude about 19.0) showed nothing at the position of SN 1999cw.

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Host galaxy info: V = 3725 km/s, 1.5'x0.7', SB(s)ab pec?

SN type info: SN Ia-pec

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