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Dear SN watchers, The CfA team reports the classifications of two recent SNe on their Web page: http://cfa-www.harvard.edu/cfa/oir/Research/supernova/RecentSN.html. SN 2003bm: In [vsnet-campaign-sn 573] (Mar. 4) >SN2003bm 20030220.0 <190:C Bol >SN2003bm 20030302.89 180:C Bol >SN2003bm 20030303.989 180:C Bol > ># SN 2003bm (8:07:22.87, +40:23:44.3 (J2000.0), offset = 17"E, 10"S) ># is hosted by UGC 4226, an open spiral (SA(r)cd) galaxy. The ># expected maximum for typical SN Ia is mag about 16.9. A spectrum taken on Mar. 7 revealed that it is type Ic supernova. SN 2003bp: In [vsnet-campaign-sn 575] (Mar. 8): >SN2003bp 20030219.2 <192:C KAI >SN2003bp 20030228.3 181:C PAL >SN2003bp 20030306.1 178:C PAL >SN2003bp 20030306.2 178:C KAI >SN2003bp 20030307.2 178:C KAI > ># SN 2003bp (8:27:27.81 +17:17:14.5 (J2000.0), offset = 18"E, 11"N) is ># hosted by NGC 2596, a tilted spiral (Sbc) galaxy. The expected ># maximum for typical SN Ia is mag about 16.3. A spectrum taken on Mar. 10 revealed that it is type Ib supernova, but the He line is weaker than normal SN Ib. They suggest that it would be a transitional object between SN Ib and Ic. Sincerely Yours, Hitoshi Yamaoka, Kyushu Univ., Japan yamaoka@rc.kyushu-u.ac.jp
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