[IAUC] CBET 2362: 20100710 : SUPERNOVA 2010fy

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                                                  Electronic Telegram No. 2362
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
CBAT Director:  Daniel W. E. Green; Room 209; Dept. of Earth and Planetary
 Sciences; Harvard University; 20 Oxford St.; Cambridge, MA  02138; U.S.A.
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SUPERNOVA 2010fy
     J. L. Prieto, Carnegie Observatories; and L. A. G. Monard, Pretoria, S.
Africa, report that they obtained on July 9.4 UT an optical spectrum (range
370-920 nm; resolution 0.7 nm) of 2010fy (cf. CBET 2359) with WFCCD mounted
on the du Pont 2.5-m telescope at Las Campanas Observatory.  The spectrum
shows that 2010fy is a type-Ia supernova at maximum light.  Cross-correlation
with a library of supernova spectra using SNID (Blondin and Tonry 2007, Ap.J.
666, 1024) shows that 2010fy is most similar to the normal type-Ia supernova
1990N at 3 days after maximum light.  The redshift obtained by SNID from the
supernova features is z = 0.049 +/- 0.004.


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                         (C) Copyright 2010 CBAT
2010 July 10                     (CBET 2362)              Daniel W. E. Green