[vsnet-alert 14194] Re: Optical flare of an X-ray source XMMSL1 J014956.7+533504

[Korotkiy Stas]

TOCP Designation: TCP J01495677+5335018
Observation Date: 2012 01 31.46
Remarks: We obtained a low dispersion spectrum (R about 550) of TCP J01495677+5335018 (=XMMSL1 J014956.7+533504; ATel #3896)  on Jan. 31.46 UT with the Araki telescope with our spectrograph (LOSA/F2) at Koyama Astronomical Observatory, Kyoto Sangyo University, Japan.  The Spectrum shows clearly a strong emisson of H-alpha, and absorptions of H-beta and H-ganmma on a blue continuum light.  The absorption component of the H-beta was filled with its emission. The He I (667.8 nm) emission and a Na D absorption (E.W about 0.11 nm) were also detected.  These features suggest that the current brightening of this object would be a outburst phnomenon in a dwarf nova. A. Arai, M. Nagashima, C. Naka (Kyoto Sangyo Univ.)  ( Our spectrum is shown in our blog: http://www.cc.kyoto-su.ac.jp/~kao/blog/index.php/view/156 )

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Bill Stein (NM, USA) has sent me his photometry XMMSL1 J014956.7 +533504. Perfectly visible pulsation period 0.04 days, and the amplitude 0.03 mag: http://goo.gl/1LR4c .