NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-05-18 T23:46:21 PDT
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For refcode 2009CBET.1703A...1S:
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NED Abstract

Copyright by Central Bureau for Astronomical Telegrams. 2009CBET.1703A...1S Supernovae 2009K and 2009Z Electronic Telegram No. 1703 Central Bureau for Astronomical Telegrams INTERNATIONAL ASTRONOMICAL UNION Stritzinger, M.; Morrell, N. Abstract. SUPERNOVAE 2009K AND 2009Z M. Stritzinger and N. Morrell, Las Campanas Observatory (LCO), on behalf of the Carnegie Supernova Project, report that a spectrogram (range 380-940 nm) of supernova 2009K (cf. CBET 1665), taken on Jan. 22 UT with the 6.5-m Magellan II (Clay) telecope (+ LDSS3), reveals that this object is a type-IIb supernova. Comparison with a library of spectra via the "Supernova Identification" code (SNID; Blondin and Tonry 2007, Ap.J. 666, 1024) shows this event to be most similar to supernova 1993J a few days prior to maximum. This is confirmed with a spectrogram taken on Feb. 8, which is most similar to 1993J at two weeks past maximum. Stritzinger, Morrell, and M. Phillips (also LCO) add that they have obtained spectra (range 403-1011.2 nm) of 2009Z (cf. CBET 1685) on Feb. 11.1 and 15.1 with the 6.5-m Magellan I (BAADE) telecope (+ IMACS). Cross- correlation with SNID shows these spectra to be most similar to those of SN 1993J at two days before and three days after maximum, respectively. NOTE: These 'Central Bureau Electronic Telegrams' are sometimes superseded by text appearing later in the printed IAU Circulars. (C) Copyright 2009 CBAT 2009 February 23 (CBET 1703) Daniel W. E. Green
Retrieve 4 NED objects in this reference.
Please click here for ADS abstract

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