Circular No. 8086

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)

SUPERNOVAE 2003bj, 2003bk, 2003bl, AND 2003bm

     Three new apparent supernovae have been found on unfiltered
     CCD images -- SN 2003bk and SN 2003bl by B. Swift, D. Weisz, and W.
     Li (LOTOSS; cf. IAUC 8075), and SN 2003bm by T. Boles (cf. IAUC
     8073):

     SN      2003 UT      R.A.  (2000.0)  Decl.    Mag.      Offset
     2003bk  Feb. 28.5   12 22 42.14  + 9 20 01.2  17.0   1".9 W, 4".2 N
     2003bl  Mar.  2.5   13 57 30.65  + 6 05 36.4  18.4   15".1 E, 12".6 S
     2003bm  Mar.  2.89   8 07 22.87  +40 23 44.3  18.0   16".6 E, 10".1 S

     Additional approximate magnitudes by the respective discoverers:
     SN 2003bk in NGC 4316, Jan. 31.5 UT, [18.5; Mar. 2.3, 17.0.  SN
     2003bl in NGC 5374, 2002 June 13.3, [19.0; Mar. 3.5, 18.4.  SN
     2003bm in UGC 4226, Feb. 20, [19.0; Mar. 3.989, 18.0.  SN 2003bm is
     also absent from Palomar Sky Survey red and blue plates. 

Host galaxy info: Vel = 4295 km/s, 1.7 x 1.5, 13.27, SB(r)bc?

SN type info: II

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