Transcient Mag 12.4

Information about outbursts of eruptive stars, Be activity, ...
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Francois Teyssier
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Transcient Mag 12.4

Post by Francois Teyssier »

From VSNET-Alert
A strange outburst, perhaps an AGN
Spectroscopy would be welcome to identify the nature of the transcient



TCP J17453768-1756253
R.A. 17h45m37.68s Decl. -17°56'25.3" (J2000.0)
2015 Feb. 27.8391 UT, 12.4 mag (CCD, unfiltered)
Discoverer: Hideo Nishimura

2015 02 27.8391 UT
"Detected (mag about 12.4) by H. Nishimura, Kakegawa,
Shizuoka, Japan in four images taken with Canon EOS5D
+ 200mm F/3.2 lens (limiting mag about 13.6). It was also
detected (mag about 12.3) on a image taken on Feb.
26.813 UT, but not detected on images taken on Feb.
23.830 UT and earlier (limiting mag about 13.6). It is
possibly related with an UCAC4-cataloged star (fmag
16.228) with position end figures of 37s.781, 22".4,
and X-ray source 1SWXRT J174537.4-175623 or
J174537.8-175621. Kouzuma and Yamaoka (2010,
MNRAS, 405, 2062) listed up this object as an AGN
candidate."

http://www.cbat.eps.harvard.edu/unconf/ ... 56253.html
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