SIMBAD references

A. J. Drake, S. G. Djorgovski, A. Mahabal, M. J. Graham, 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 2011 UT R.A. (2000.0) Decl. Mag. Offset ---------------------------------------------------------------------------— 2011hd Oct. 24.51 9 58 48.30 +34 47 03.3 15.9 6".8 E, 7".9 S ---------------------------------------------------------------------------—

The variable was designated PSN J09584830+3447033 when it was posted on the Central Bureau's TOCP webpage and is here designated SN 2011hd based on the spectroscopic confirmation reported below. Additional CCD magnitudes (unfiltered unless otherwise noted) for 2011hd: Apr. 29.26 UT, [20.5 (CSS); Oct. 25.463, 15.9 (J. Brimacombe, Cairns, Australia; position end figures 48s.33, 03".7); 28.425, 16.2 (R. A. Koff, Bennett, CO, USA, Meade 0.25-m f/10 reflector + Apogee AP-47p camera; position end figures 48s.31, 03".2; image scale 2"/pixel; limiting magnitude 19.0); 30.112, R = 16.0 (Federica Luppi, Varese, Italy, 0.36-m f/7.9 reflector + Bessell R filter; position end figures 48s.34, 03".5; reference stars from CMC-14 catalogue; image posted at URL http://www.astrogeo.va.it/pub/TOCP/PSN_09584830+3447033.jpg). Brimacombe's image is posted at URL http://www.flickr.com/photos/43846774@N02/6281645148/.