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[vsnet-alert 7492] Re: V4742 Sgr: spectroscopy by M. Fujii (Fe II-class nova)
- Date: Thu, 19 Sep 2002 10:55:19 +0900 (JST)
- To: dgreen@cfa.harvard.edu, vsnet-alert@ooruri.kusastro.kyoto-u.ac.jp, vsnet-campaign-nova@ooruri.kusastro.kyoto-u.ac.jp, vsnet-discovery-nova@ooruri.kusastro.kyoto-u.ac.jp
- From: Taichi Kato <tkato@kusastro.kyoto-u.ac.jp>
- Subject: [vsnet-alert 7492] Re: V4742 Sgr: spectroscopy by M. Fujii (Fe II-class nova)
- Cc: vsnet-newvar@ooruri.kusastro.kyoto-u.ac.jp, wliller@compuserve.com
- Sender: owner-vsnet-alert@ooruri.kusastro.kyoto-u.ac.jp
Re: V4742 Sgr: spectroscopy by M. Fujii (Fe II-class nova)
> Mitsugu Fujii (Fujii Bisei Observatory) reports the following spectrum
> taken with the FBSPEC-1 spectrograph attached to a 28-cm telescope.
>
> http://vsnet1.harenet.ne.jp/~aikow/v4742_sgr_20020917.gif
>
> Fujii reports that both Halpha (FWHM=1700km/s) and Hbeta are strongly
> in emission. The Fe II series emission lines are also clearly visible,
> indicating that V4742 Sgr is an Fe II-class nova (Williams 1992,
> AJ 104, 725). The relatively large Balmer decrement (Halpha/Hbeta = 5.7)
> is consistent with the considerable reddening inferred from photometry.
The observation was done on 2002 Sep. 17.50 UT.
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