2012CBET.3307....1W -
Central Bureau Electronic Telegrams, 3307, 1 (2012/November-0)
Supernova 2012gq in PGC 10886 = PSN J02524601+4655523.
WANG B., GAO X., LUPPI F., BUZZI L., NICOLAS J. and BRIMACOMBE J.
Abstract (from CDS):
Bin Wang, Shaoxing, Zhejiang, China; and Xing Gao, Urumqi, Xinjiang, China, report the discovery of an apparent supernova (mag approximately 17.7) on a 40-s unfiltered CCD survey image (limiting mag about 18.5) taken by Xing Gao in course of the Xingming Observatory Sky Survey using a 0.36-m f/6.9 Celestron C14 Schmidt-Cassegrain telescope at Mt. Nanshan around Nov. 14.667 UT. The new object is approximately located at R.A. = 2:52:46.01, Decl. = +46:55:52.3 (equinox 2000.0), which is about 18".3 east and 25".2 south of the center of PGC 10886. Nothing is visible at this position on archival images taken on Nov. 2 (limiting mag 18.0), Oct. 26 (limiting mag 18.4), or on a Digitized Sky Survey image from 1989 Oct. 1 (limiting mag about 19.8). The discoverer's images are posted at
http://www.xjltp.com/XOSS/XM05BW/XM05BW.htm. The variable was designated PSN J02524601+4655523 when it was posted at the Central Bureau's TOCP webpage and is here designated SN 2012gq based on the spectroscopic confirmation reported below. Additional CCD magnitudes for 2012gq (unfiltered unless noted otherwise): Nov. 10.842, 17.6 (Wang and Gao; prediscovery; position end figures 45s.90, 52".5); 15.422, 18.1 (Joseph Brimacombe, Cairns, Australia; luminance filter; position end figures 46s.01, 52".5); 17.028, 18.0 (Federica Luppi and Luca Buzzi, Varese, Italy; position end figures 45s.95, 52".2); 20.923, 17.3 (J. Nicolas, Vallauris, France; 0.41-m f/3.3 reflector; position end figures 45s.96, 52".3). Brimacombe's image is posted at URL
http://www.flickr.com/photos/43846774@N02/8189076189/. The image of Luppi and Buzzi is posted at the following website URL:
http://www.astrogeo.va.it/pub/TOCP/PSN_P10886.jpg.
Abstract Copyright:
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Journal keyword(s):
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