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[vsnet-campaign 44] (repost) 4U1735-44 = V926 Sco Chandra campaign on May 14

(repost) 4U1735-44 = V926 Sco Chandra campaign on May 14

   4U1735-44 = V926 Sco Chandra campaign on May 14 will start within
24 hours.  Although the source is faint, sourthern observers (with CCD
or photoelectric photometer) can get simlutaneous photometry.

   The source is located at:

173858.0 -442658 (2000.0) 1RXS173858.1-442659 61.880 0.98 0.59
173857.8 -442657 (2000.0) SCOV926 XB 17.40 (0.2) V - 0.18 - pec(e)

(from vsnet-campiagn 4)

Dear Observers,

We have Chandra observations of 4U1735-44 scheduled on May 14.  This is
a bursting source whose optical companion (V926 Sco) has a v-mag of 17.5.
It as an Av of 0.8 and an orbital period of roughly 4 hrs.  If anyone is
able to obtain either optical photometry or spectroscopy of this source
at or near the Chandra observations they will be of interest (especially
if we are lucky enough to capture a burst!)


Seq #  ObsID It       Target              start           time   SI   Grat  

400071 00704 00         4U 1735-44 2000:135:04:24:20.494  25.0 ACIS-S HETG 

Note that day 135 is May 14, and the time is UT.


thanks very much,
Saku Vrtilek

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