Circular No. 7321

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 1999gf in UGC 5515

Sato and Li also report the discovery by LOSS of another apparent supernova in UGC 5515 in an unfiltered image taken on Nov 27.5 UT (mag about 18.2). SN 1999XX was confirmed at mag 18.0 and 17.5 on earlier images taken on Nov 23.5 UT and Nov 12.5 UT, and is located at R.A. = 10h13m37s.00, Decl. = -0 56'09".6 (equinox 2000.0), which is 18".5 west and 37".6 south of the nucleus of UGC 5515. A KAIT image on Nov 21.5 UT, 1998 showed nothing at the position of the SN (limiting magnitude about 19.0). UGC 5515 is a member of the Abell cluster 957.

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Host galaxy info: V = 13293 km/s, 1.5'x1.3', E+ pec:

SN type info: SN Ia

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