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SN 2007ch is of type II

ATEL # 1073; Avishay Gal-Yam and Richard Ellis (Caltech)
on 15 May 2007; 13:52 UT
Distributed as an Instant Email Notice (Supernova)
Password Certification: Avishay Gal-Yam (

Subjects: Optical, Nova, Supernova

Quick extraction of a Keck I+LRIS spectrum of SN 2007ch in NGC 6000 (Monard, CBET #961), obtained on UT 09:25, May 15 2007, shows that this event is a type II SN. The red spectrum is dominated by a prominent broad Halpha line, while the blue side shows a well-developed absorption spectrum typical of SNe II a few weeks after explosion.

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R. E. Rutledge , Editor
ATEL Mirror v1.0 Updates