SIMBAD references

A. J. Drake, S. G. Djorgovski, M. J. Graham, A. Mahabal, and R. Williams, California Institute of Technology; J. L. Prieto, Princeton University; M. Catelan, Pontificia Universidad Catolica de Chile; E. C. Beshore and S. M. Larson, Lunar and Planetary Laboratory, University of Arizona; and E. Christensen, Gemini Observatory, report the discovery of an apparent supernova in unfiltered Catalina Sky Survey (CSS) images:

---------------------------------------------------------------------------— SN 2012 UT R.A. (2000.0) Decl. Mag. Offset ---------------------------------------------------------------------------— 2012ch May 17.38 15 06 02.54 +41 25 32.7 16.4 1".0 W, 2".1 S ---------------------------------------------------------------------------—

The variable was designated PSN J15060254+4125327 when it was posted at the Central Bureau's TOCP webpage and is here designated SN 2012ch based on the spectroscopic confirmation reported below. Additional CCD magnitudes for 2012ch: Apr. 1.50 UT, 17.5 (CSS); 18.418, 15.9 (Joseph Brimacombe, Cairns, Australia; luminance filter; position end figures 02s.57, 31".2; image posted at website URL http://www.flickr.com/photos/43846774@N02/7230337250/).