[vsnet-alert 17056] Re: (cba:chat) Next HST observations: SDSS1006+2337

Peter Nelson pnelson at dcsi.net.au
Wed Mar 19 21:19:34 JST 2014

Hi Boris,

The conditions settled a bit since my first run with a less than observation.
I now get from a medium sum of 5x240s :
140319  V=17.9 +/- 0.16  UT  11:58  (JD 2456735.999) Airmass=2.18


On 19 Mar 2014, at 5:26 pm, Boris Gaensicke <Boris.Gaensicke at warwick.ac.uk> wrote:

> Dear All,
> we are now in the last critical hours, and we have a problem: the
> last measurement shows SDSS1006+2337 at V=17.4, which
> is much brighter than everything from the last days. It may
> simply be a little flickering episode, but it could be the onset
> of an outburst.
> We will need to get some more data points over the next
> ~5-6h, otherwise STScI will likely pull the plug on this,
> with the loss of 4 HST orbits.
> Thanks for any help you can give, and please e-mail
> me any observation you can get in addition to
> uploading it to the AAVSO data base.
> Let's hope it works out right, it's the last target in
> the program, and it would be nice to end it on
> a positive note.
> Best wishes,
> Boris

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