[IAUC] CBET 1804: 20090516 : SUPERNOVA 2009en IN UGC 9515

IAUC mailing list quai en cfa.harvard.edu
Vie Mayo 15 22:20:03 ART 2009


                                                  Electronic Telegram No. 1804
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
M.S. 18, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
IAUSUBS en CFA.HARVARD.EDU or FAX 617-495-7231 (subscriptions)
CBAT en CFA.HARVARD.EDU (science)
URL http://www.cfa.harvard.edu/iau/cbat.html


SUPERNOVA 2009en IN UGC 9515
     M. L. Graham, E. Y. Hsiao, C. J. Pritchet, A. Parker, and S. Sadavoy,
Department of Physics and Astronomy, University of Victoria; and D. D. Balam,
Dominion Astrophysical Observatory, National Research Council of Canada,
report that a spectrogram (range 390-703 nm, resolution 0.3 nm) of 2009en
(cf. CBET 1799), obtained on May 15.29 UT with the 1.82-m Plaskett Telescope
of the National Research Council of Canada, shows it to be a type-Ia
supernova several days past maximum light.  Cross-correlation with a library
of supernova spectra, using the "Supernova Identification" code of Blondin and
Tonry (2007, Ap.J. 666, 1024), indicates that 2009en is most similar to the
type-Ia supernova 2002er at 3 days past maximum light.


NOTE: These 'Central Bureau Electronic Telegrams' are sometimes
      superseded by text appearing later in the printed IAU Circulars.

                         (C) Copyright 2009 CBAT
2009 May 16                      (CBET 1804)              Daniel W. E. Green



Más información sobre la lista de distribución Iauc