[vsnet-alert 11989] Re: OT_J213806.6+261957 spectrum [Re: Bright opticaltransient in Pegasus]

[Akira Arai]

Dear All,

We also continue spectroscopy of OTJ213806.6+261957
using 1.3m ARAKI telescope at Kyoto Sangyo University.

Our preliminary spectra are shown in the following page;
http://www.cc.kyoto-su.ac.jp/~arai6a/obslog/otj2138.html<http://www.cc.kyoto-su.ac.jp/%7Earai6a/obslog/otj2138.html>

Spectral features of this object are very similar to that in the
"Plateau Phase" of GW Lib in 2008 outburst (Hiroi et al., 2009, PASJ, 61,
697).

Regards,
A. Arai,
Koyama Astronomical Observatory,
Kyoto Sangyo Univ.



2010/5/14 Kenzo Kinugasa <kinugasa at astron.pref.gunma.jp>  wrote

> Dear All,
>
>   We took the low dispersion spectrum of OTJ213806.6+261957 on May 8.65
> with the GAO 1.5-m reflector (+GLOWS). Following the report by Arai,
> the spectrum shows a strong H-alpha emission as well as H-beta and HeII
> (468.6nm). Also, the Bowen complex of NIII, CIII and CIV exists. These
> features resemble those of GW lib at early phase. The spectrum is
> http://www.astron.pref.gunma.jp/~kinugasa/otj2138_100508.gif<http://www.astron.pref.gunma.jp/%7Ekinugasa/otj2138_100508.gif>.
> The
> normalized one by continum (roughly) is
> http://www.astron.pref.gunma.jp/~kinugasa/otj2138_100508_nor.gif<http://www.astron.pref.gunma.jp/%7Ekinugasa/otj2138_100508_nor.gif>
> .
>
> Regards,
> K.Kinugasa
> Gunma Astronomical Observatory
>