Re: S01-004 and S01-033

From: Chris Lidman (clidman@eso.org)
Date: Fri Mar 12 2004 - 05:59:33 PST

  • Next message: Andy Howell: "Re: S01-004 and S01-033"

    Hi Andy,
      Thanks for the data. In order to make them consistent with the other
    plots in the paper, can you rebin the host galaxy subtracted data. I
    do not recall what you had used in the past, but I think it was close
    to 20 Angstroms.

    Cheers, Chris.

    On Thu, 2004-03-11 at 20:18, Andy Howell wrote:
    > Chris,
    > I agree that we should take S01-035 out.
    >
    > Also, I have refit S01-031 at z=0.777 allowing only E and S0 subtraction.
    > I think it is a probable Ia, if there is significant host contamination or
    > reddening (the original observation is very red -- my program has to
    > subtract a lot of host and deredden to make it fit a Ia). So Ia? -> Ia is
    > fine with me. A tar.gz file with postscript and text files of my
    > new fit are attached.
    >
    > -Andy
    >
    > On 11 Mar 2004,
    > Chris Lidman wrote:
    >
    > > Hi Andy,
    > > I am thinking of excluding S01-035 from sample. We observed this
    > > one because it was bright and the seeing at the time was very bad.
    > > If the observations had have been done in service, we would
    > > not have even observed this target this candidate. The candidate
    > > is probably a variable star of some kind.
    > >
    > > Opinions. This is the only I think we should exclude.
    > >
    > > Cheers, Chris.
    > >
    > > On Thu, 2004-03-11 at 18:17, Chris Lidman wrote:
    > > > Hi Andy,
    > > > In regards to S01-004, I should have said that the spectrum
    > > > was taken 21 days after the reference images which showed nothing -
    > > > no host, no SN. I'll leave the classification of this one as "?"
    > > >
    > > > I've had a closer look at the spectrum of S01-031 and I believe that
    > > > I see the H and K in what we can probably now classify as
    > > > an elliptical host. This would put the host at z=0.777. From
    > > > your fits, a SN at z=0.76 was the best fit and we had classified
    > > > this as a possible Ia. I'm thinking of raising the status of this one
    > > > from Ia? to Ia.
    > > >
    > > > Cheers, Chris.
    > > >
    > > >
    > >

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