[vsnet-alert 10069] V2491 Cyg spectrum by Fujii-san: He/N nova

Taichi Kato tkato at kusastro.kyoto-u.ac.jp
Wed Apr 16 10:56:08 JST 2008

   Fujii-san has presented the following spectrum of V2491 Cyg
on Apr. 14.73 UT.


   The expansion velocity was 4000 km/s.  The He II and He I
lines already became strong, indicating that the nova is
a He/N-class nova rather than an Fe II-class one.

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