SN 2000dm: with long duration of brightening phase

The LOSS KAIT team discovered the SN 2000dm in UGC 11198. The position is about 4" west and 5" south of the nucleus of this nearly edge-on spiral (Sab) galaxy. The magnitude of the new star reported to be about 16.1mag at Sep. 24.1, and about 18.5mag at Sep. 16.1 (vsnet-campaign-sn 92). This supernova was brightening for ten days after its discovery. The magnitude at discovery date is 18.5 and an observation of 15.4mag on September 27 was reported by F. M. Ewalt (vsnet-campaign-sn 98).