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[vsnet-alert 7492] Re: V4742 Sgr: spectroscopy by M. Fujii (Fe II-class nova)



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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