[vsnet-chat 1573] Re: (fwd) query on SN IIn

[Taichi Kato <tkato>]

Re: [vsnet-chat 1572] Re: (fwd) query on SN IIn

Dear Yamaoka-san and all,

> "n" means the "narrow line".  Usually the subclass of SNe with a
> lower-case letter (for example, Ia, Ic, IIb, and so on) means the
> spectral classification.

    I think the original (and other readers') interest may refer to the
nature of the narrow line.  Would it be possible to more explain the
supposed origin of such narrow lines in SNe spectra?  Some recent SNe IIn
are known to have higher luminosities than ordinary SNe II.  Is there
any explanation for this?

Regards,
Taichi Kato

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