From: Ariel Goobar (ariel@physto.se)
Date: Fri Dec 03 2004 - 08:44:52 PST
Hi All,
Tomas had a look at the host colors that Rachel posted. We couldn't
find error bars on all those colors so he experimented a bit with
errors in the fluxes ranging from 0.02 to 0.1 mag. He did this for both
apertures quoted and the two knots. So, both knots seem
definitely to have the same redshift. Depending on
what the errors actually are, the best fit photo-z's
come out between 1.69 and 1.86. For all choices, the
actual distributions around the best fit values are
nicely gaussian and have a sigma consitent with the range
above. So, I think the final number will be something
around z~1.8 +- 0.1. What remains is work out what the
error on the measured colors are, but looking at Tomas'
plots, I don't think his analysis would yield a
different answer for any reasonable values of the errors.
Cheers,
Ariel
On Thu, 2 Dec 2004, Rachel Gibbons wrote:
> Ariel,
>
> If you go to the candidate page and click on "MingusHost"
> you'll find magnitudes in the first table you see.
>
> Ciao,
>
> Rachel
>
>
-- ___________________________________________________________________ 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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