From: Ariel Goobar (ariel@physto.se)
Date: Tue Apr 20 2004 - 00:06:12 PDT
Hi,
I posted simulated lightcurves in J & H for z=1.6. Indeed everything
looks consistent with a SN1a on the declining side.
See figs 21 & 22 at
http://www.physto.se/~snova/private/2004hst/snoc_simulations.htm
Ariel
On Mon, 19 Apr 2004, Rachel A. Gibbons wrote:
>
> Hi,
>
> Tony noticed that in my previous e-mail the days past discovery should
> read
>
> 1) 9 days (~3.5 rest frame days)
>
> 2) 13 days (~5 rest frame days).
>
> However, my conclusions are based on the correct scaling. Also, to be
> precise, the data are consistent with discovery at rest B max. Sorry for
> any confusion.
>
> Rachel
>
> On Mon, 19 Apr 2004, Rachel A. Gibbons wrote:
>
> >
> > Hi everyone,
> >
> > It would appear our data are completely consistent with a supernova at
> > z=1.6 which was discovered at rest-frame optical maximum.
> >
> > Here's an update from the first round of follow-up ACS and NICMOS
> > photometry :
> >
> > 1) The discovery z' magnitude was z'=25.1 and 12 days later z'=25.5.
> >
> > 2) 16 days after discovery, the new J and H magnitudes are 24.37 and
> > 24.03.
> >
> > All mags quoted here are Vega.
> >
> > The remainder of the follow-up observations for this candidate will be
> > in J & H and will extend through 23 May (yes, that's during the next
> > search run).
> >
> > It's unfortunate we're following it on the decline, but it's looking
> > good! Hooray!
> >
> > Rachel
> >
> > PS Sorry, no news yet to report on the grism data, except that we have it
> > and they pointed HST at the right part of the sky.
> >
>
>
>
-- ___________________________________________________________________ Ariel Goobar (www.physto.se/~ariel) Department of Physics, Stockholm University AlbaNova University Center, SE-106 91 Stockholm, SWEDEN tel: +46 8 55378659 fax: +46 8 55378601
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