Circular No. 7731

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 2001et IN MCG -03-51-9

W. D. Li, University of California at Berkeley, reports the discovery by LOTOSS (cf. IAUC 7514) of an apparent supernova in unfiltered images taken with the Katzman Automatic Imaging Telescope. SN 2001et is located at R.A. = 20h19m35s.00, Decl. = -18o09'49".3 (equinox 2000.0), which is 21".7 east and 24".3 south of the nucleus of MCG -03-51-9. Magnitudes for the new object: Sept. 13.3 UT, [19.0; 23.2, 18.5; Oct. 1.2, 17.8; 9.2, 17.8; 10.2, 17.8.

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Host galaxy info: 1.6 x 1.3, 15.5, Sd

SN type info: SN II

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