[vsnet-alert 17045] Re: (cba:chat) Next HST observations: SDSS1006+2337

Joe Ulowetz joe700a at gmail.com
Tue Mar 18 22:52:56 JST 2014

My data from last night(2456734.63037)  has this star at mag 18.307, mag
error 0.269  It is barely visible in my stack of 3 5-minute exposures.

-Joe U.

On Mon, Mar 17, 2014 at 12:43 AM, Boris Gaensicke <
Boris.Gaensicke at warwick.ac.uk> wrote:

> Dear All,
> the HST observations of SDSS1006+2337 are now only
> a few days away, and the decision whether STScI will
> allow us to observe the star will be taken on the 19th.
> If not ... HST will stare at a blank piece of sky instead.
> Thanks for all the data you got so far. I know that the
> moon does not help, but please try over the next
> couple of days to get as deep images of the star as
> possible.
> The most recent data showed some large scatter,
> with excursions up to ~16.5mag - my guess is that
> this is related to the severe moon background, but
> it will worry the people at STScI that have to take the
> decision whether the observations are safe for COS.
> We will need some more  confirmation that the star is
> behaving well to reassure them...
> Best wishes,
> Boris
> ------------------------------------------------------------------------------------------------------
> For more information on this HST program, see
> http://deneb.astro.warwick.ac.uk/phsdaj/public_html/12870/<
> http://deneb.astro.warwick.ac.uk/phsdaj/public_html/12870/>
> http://deneb.astro.warwick.ac.uk/phsdaj/public_html/12870/Targets.html
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