[vsnet-alert 17055] Re: (cba:chat) Next HST observations: SDSS1006+2337

Stuart P Littlefair s.littlefair at sheffield.ac.uk
Wed Mar 19 18:04:13 JST 2014

Hi Boris,

I don't know how this stacks up against the bright observation in terms of
time, but I placed SDSS1006 at V=18.8 +/- 0.09 at JD=2456735.352202.

Image and raw fits file attached

On 19 March 2014 06:26, 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

Stuart Littlefair

Dept. of Physics & Astronomy,
Univ. of Sheffield, Sheffield, S3 7RH.

email: S.Littlefair at sheffield.ac.uk
phone: +44 114 2224525

More information about the vsnet-alert mailing list