2008CBET.1296....1D

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.