Circular No. 7614

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 2001bb IN IC 4319

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 unfiltered images taken with the 0.5-m Tenagra III automated telescope on Apr. 29.3 (mag about 16.5) and 30.2 UT (mag about 16.3). SN 2001bb is located at R.A. = 13h43m25s.31, Decl. = -29o48'13".1 (equinox 2000.0), which is about 16".8 west and 1".4 south of the nucleus of IC 4319. An image taken by the Katzman Automatic Imaging Telescope on Apr. 15.3 showed nothing at this position (limiting mag about 18.5).

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Host galaxy info: V = 4653 km/s, 1.5'x0.5', 14.31, SA(s)bc?

SN type info: Ic?

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