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SN2009jf in NGC7479 is a Type Ib supernova

ATEL # 2218; M. M. Kasliwal (Caltech), J. L. Howell (PSU), D. Fox (PSU), R. Quimby (Caltech), A. Gal-Yam (Weizmann Institute)
on 30 Sep 2009; 0:13 UT
Password Certification: Mansi Manoj Kasliwal (mansi@astro.caltech.edu)

Subjects: Optical, Nova, Supernova, Transients

We observed SN2009jf (CBET#1952) in NGC7479 with the Low Resolution Spectrograph on the Hobby-Eberly Telescope on 2009 Sep 29.119 UT. 2x750s exposures using the gr300 grating and GG385 filter were obtained. The spectra resemble SN1999ex and have prominent He I and Ca IR in absorption. The 5876 Ang He I line is blueshifted by 14500 km/s. We conclude that SN2009jf is a young Type Ib supernova.


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