SN 2001M

SN 2001M was discovered and confirmed on Jan. 21.4 UT (mag 175:C) and Jan. 22.4 UT (mag 177:C), respectingly. The location is about 12" east and 12" south of the nucleus of a face-on spiral (SAB(rs)b) galaxy NGC 3240. This galaxy has a bright nucleus, but the new object was well outside of the central region and embedded on the outer disk. There is mag 14 foreground star whose offsets from the nucleus of NGC 3240 are about 22" east and 42" south. The recession velocity of the host galaxy (3584 km/s) suggests that expected maximum of a normal SN Ia would be mag 15.1 (vsnet-campaign-sn 139).