[vsnet-alert 16997] Next HST observations: SDSS1006+2337

Boris Gaensicke Boris.Gaensicke at warwick.ac.uk
Mon Mar 10 06:41:11 JST 2014

Apologies - I'm a little rusty - the subject should have mentioned
the actual target, SDSS1006+2337.


On 9 March 2014 21:39, Boris Gaensicke <Boris.Gaensicke at warwick.ac.uk> wrote:
> Dear All,
> after a long break, we are preparing for the last observation of our
> HST program: SDSS1006+2337. This is a  dwarf nova, very similar
> in all aspects to the old friend U Gem: ~4h period (267min to be
> precise), eclipsing, relatively rare outbursts (2-3 per year), and a
> clearly detected companion star in the optical spectrum. But, a
> fair bit fainter, V~18.4 in quiescence.
> Thus, our plan is to observe the white dwarf with HST to determine
> its properties, and, as with all the other CVs in the programme, we
> need to reassure STScI that the star is in quiescence when HST
> will look at it.
> The HST observations are currently scheduled for March 20/21, and
> it would be fantastic if you could provide daily V-band observations
> of SDSS1006+2337. Short snapshots are fine, no need for longer
> time-series.
> 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/Targets.html

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