[vsnet-alert 17051] Re: (cba:chat) Next HST observations: SDSS1006+2337

[Boris Gaensicke]

Dear Michael,

thanks for your help. This is quite a bit brighther than the
other measurements from the last 24h before, and it
will alert STScI, as it could point to an imminent outburst.

If you have the chance, could you get another observation?

Best wishes,

Boris





On 19 March 2014 04:04, Michael J. Cook, Newcastle Observatory <
michael.cook at newcastleobservatory.ca> wrote:

>
>
> Hi Team,
>
> Just checked in on SDSS J100658.40+233724.4. Mag 17.405 (err 0.061) in
> V-band at JD 2456735.65244. Posted to AAVSO WebObs.
>
> ---
>
> Michael J. Cook
>
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>
> On 2014-03-17 01:43, Boris Gaensicke 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/ [1]<
> http://deneb.astro.warwick.ac.uk/phsdaj/public_html/12870/ [1]>
> >
> > http://deneb.astro.warwick.ac.uk/phsdaj/public_html/12870/Targets.html[2]
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>
>
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> [2]
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> [3] http://cbastro.org/communications/mailing-lists/
>