Circular No. 7557

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 2001D IN IC 728

M. Modjaz and W. D. Li, University of California at Berkeley, on behalf of LOTOSS (cf. IAUC 7514), report the discovery with the 0.8-m Katzman Automatic Imaging Telescope (KAIT) of an apparent supernova on unfiltered images taken on Jan. 5.5 (mag about 17.6) and 6.4 UT (mag about 17.5). The new object is located at R.A. = 11h44m50s.97, Decl. = -1 36'18".4 (equinox 2000.0), which is 8".0 east and 12".4 south of the nucleus of IC 728. A KAIT image of the same field taken on 2000 Dec. 28.5 showed nothing at the position of SN 2001D (limiting mag about 18.5).

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Host galaxy info: V = 8499 km/s, 1.2'x0.6', 14.94, SB(rs)b

SN type info: II

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