From: clidman@eso.org
Date: Thu May 09 2002 - 02:20:49 PDT
Dear All,
The 2-d, wavelength calibrated spectrum of C02-016 is available at:
http://www.sc.eso.org/~clidman/.
Cheers, Chris.
Peter Nugent wrote:
> > If we end up with some spectroscopy time available (or some bad-seeing
> > conditions that only allows us to go for something this bright) would we
> > be able to distinguish this hypothesis from the SN Ib/c hypothesis by
> > seeing the spectrum 10 days later (observer's frame)? What about with
> > more blue coverage?
> >
>
> At later times a Ib/c will flare up in the red with large CaII and OI
> emission lines. We could probably do it with the R-I R-Z photometry, since
> these lines would be about 1.0 microns and redder and spectrscopy wouldn't
> help much more given how faint it would get in the near IR. A blue
> spectrum might show differences, but my knowledge of a Ia in the blue vs a
> Ib/c in this part of the spectrum is small.
>
> Even if it is a 91T, with this amount of extinction it would be pretty
> wortless for cosmology. We might learn some things about SN physics, but
> given it's z it really isn't that far out there to learn much.
>
> I would suggest doing other things first, like host galaxy
> redshifts/typing from past SNe, nearby SNe, etc. before spending more time
> on this one unless you are really desparate. If we have multiple colors
> from the rolling search we might be able to pin down it's type, even with
> extiction, via Lifan's method. I pray that we find better things to go
> after out there.
>
> Cheers,
>
> Peter
>
> --
> Peter E. Nugent
> Computer Scientist - Scientific Computing Group - NERSC
> Lawrence Berkeley National Laboratory
> M.S. 50F - 1 Cyclotron Road - Berkeley, CA, 94720
> Phone:(510) 486-6942 - Fax:(510) 486-5812
> E-mail: penugent@LBL.gov - Web: http://supernova.LBL.gov/~nugent
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