[IAUC] CBET 1296: 20080312 : SUPERNOVAE 2008ba AND 2008bb

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                                                  Electronic Telegram No. 1296
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
M.S. 18, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
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SUPERNOVAE 2008ba AND 2008bb
     A. J. Drake, S. G. Djorgovski, C. Donalek, E. Glikman, A. Mahabal, M. J.
Graham, and R. Williams, California Institute of Technology; P. Nugent, R.
Thomas, and J. Hennawi, Lawrence Berkeley Laboratory and University of
California at Berkeley; E. C. Beshore and S. M. Larson, Lunar and Planetary
Laboratory, University of Arizona; and E. Christensen, Gemini Observatory,
report the discovery of two supernovae detected in multiple sequences of
exposures of the Catalina Sky Survey using the 0.7-m f/1.9 Catalina Schmidt
telescope (+ 4000 x 4000 camera).  No host galaxies are visible for either
2008ba or 2008bb.  The discovery observations are tabulated below.

 SN       2008 UT        R.A. (2000.0) Decl.      Mag.    Type     z
 2008ba   Feb. 27.50   16 05 49.17  +19 27 17.2   18.6     Ia     0.03
 2008bb   Mar.  3.13    7 55 19.52  +20 39 08.4   19.2     II     0.03

Spectra were obtained at the Palomar 5-m telescope using the Double
Spectrograph instrument on the nights of Mar. 2 and 3 UT.
Both 2008ba and 2008bb are approximately one month past maximum.

Specific details and links to discovery images can be found at URLs
http://voeventnet.caltech.edu/feeds/ATEL/CSS/802271180834141617.html and
http://voeventnet.caltech.edu/feeds/ATEL/CSS/803031210404117636.atel.html.


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                         (C) Copyright 2008 CBAT
2008 March 12                    (CBET 1296)              Daniel W. E. Green