SN 2002dy

Circular No. 7933

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 2002dy IN MCG -01-59-024

Swift and Li also report the LOTOSS discovery, on unfiltered KAIT images taken on July 8.5 and 9.5 UT, of an apparent supernova (mag about 17.0) located at R.A. = 23h28m23s.27, Decl. = -2 48'17".0 (equinox 2000.0), which is 21".4 west and 16".0 south of the nucleus of MCG -01-59-24. A KAIT image taken on 2001 Nov. 2.2 showed nothing at this position (limiting mag about 19.5).

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Host galaxy info: vel = 9904 km/s, 1.5 x 0.8, 15.00, SABc

SN type info: II

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