[vsnet-alert 17668] OT J184952.7-591311 outburst

Taichi Kato tkato at kusastro.kyoto-u.ac.jp
Thu Aug 28 07:58:44 JST 2014


OT J184952.7-591311 outburst

--- 	USNO-B1.0 0307-0767125 	------- 	18:49:52.32 	-59:13:11.7 	2014-08-25.1 	15.05 	SDSS 	DSS 	VIZIER 	------- 	known CV, V=15.1 on 2014-08-25.10

OT_J184952.7-591311 20140825.1 15.05V ASN

   Since the original discovery information is already unavailable,
I reproduce it as below.  The object has been also caught in
outburst four times by CRTS SSS.  The current outburst is
one of the brightest.

http://www.geocities.com/odd_trondal/cv_2006a.htm

Variable star :
RA: 18h 49m 52.72s
Dec: -59o 13' 11".0 (J2000)
Near galaxy IC 4780


 Date              Magnitude    Comments
 -------------------------------------------------
 2006 May 02.895   <18.0

 2006 May 19.876    15.7

 2006 May 24.786    19.0:

 2007 Jul 15.625    18.0:
 --------------------------------------------------

Variable star near IC 4780
P. Luckas, Perth, W. Australia; O. Trondal, Oslo, Norway; and M. Schwartz, Patagonia, AZ, report a possible "new" Cataclysmic Variable Star on unfiltered CCD frames taken with the 0.35-m Tenagra telescope at Perth on May 19.88 (at mag 15.7) and 24.79 UT (mag 19.0:) in the course of the Tenagra Observatory Supernova Search.
The new object is located at R.A. = 18h 49m 52s.72, Decl. = -59o 13' 11".0 (equinox 2000.0).
Nothing was visible at this position on an image taken by Luckas on 2006 May 02.90 (limiting magnitude about 18.0).
On a Digitized Sky Survey image from 1989 Feb. 30 (limiting red mag 21.0) there is a mag 19.5 star.

OT_J184952.7-591311 20060502.895 <180C Luc
OT_J184952.7-591311 20060519.876 157C Luc
OT_J184952.7-591311 20060524.786 190:C Luc
OT_J184952.7-591311 20070715.625 180:C Luc


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