Supernova 2011kh in NGC 7189 = Psn J22031514+0034253
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Date
2014
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Abstract
Reported the Catalina Real-time Transient Survey discovery of an apparent supernova in public images from the Catalina Sky Survey (CSS): SN 2011 UT R.A. (2000.0) Decl. Mag. Offset 2011kh June 7.42 22 03 15.14 + 0 34 25.3 18.5 12".8 W, 9".1 N The variable was designated PSN J22031514+0034253 when it was posted at the Central Bureau's TOCP webpage and is here designated SN 2011kh based on the spectroscopic confirmation of this as a type-II supernova on June 24 by Gal-Yam et al. (cf. website URL http://www.astronomerstelegram.org/?read=3464; they also observed 2011kh at mag 18.1 on June 13.46 UT, deriving position end figures 15s.00, 24".9). Additional CCD magnitudes for 2011kh: 2011 May 13.45, [19.7 (CSS); June 8.441, 17.7 (J. Brimacombe, Cairns, Australia; image taken remotely with a telescope at the New Mexico Skies observatory near Mayhill, NM, USA; position end figures 15s.03, 25".5; image posted at website URL http://www.flickr.com/photos/43846774@N02/5811979806/); 8.788, R = 17.5 (Brimacombe; image at http://www.flickr.com/photos/43846774@N02/5812980601/); 26.033, R = 18.1 (F. Luppi, Varese, Italy; 0.36-m f/7.9 reflector + Bessell R filter; position end figures 15s.04, 25".3; something is faintly visible at this position on Digitized Sky Survey images from 1990 Aug. 16 and 19 around red mag 19 and position end figures 15s.03 +/- 0s.02 and 25".2 +/- 0".3; image posted at URL http://www.astrogeo.va.it/pub/TOCP/PSN_N7189.jpg); 26.083, 17.8 (X. Bros, Ager, Catalonia, Spain; 35-cm telescope; position end figures 15s.09, 25".1; image posted at http://anysllum.com/SNNGC7189.jpg)....