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Swift Target of Opportunity Request Summary

Below we summarize details for a given TOO request. Note not all details of the TOO request are made public.

TOO request for XTE J1856+053


Time Submitted2023-08-07 09:43:20
UrgencyMedium Urgency (days to a week)
Object NameXTE J1856+053
Type or ClassificationX-Ray Transient
Right Ascension (J2000)284.17883 (= 18h 56m 42.0s)
Declination (J2000)5.30953 (= 05° 18' 34.0'')
Position Error (90% confidence - arcminutes)0
Science Justification
Exposure Time per Visit (s)2500
Number of Visits5
Total Exposure (s)2500
Immediate Objective
XRT ModeAuto
UVOT Mode0x9999: Default (Filter of the day)
Primary Target ID30906

Below are tentative scheduling windows for this ToO request. Note that the 'Observed Time' is just an approximation for your convenience and may not be complete. Please check the online version of the Swift schedule for the full listing of observed times.

#Window StartWindow StopXRT
Exposure (s)Observed
Time (s)
12023-08-11 00:00:002023-08-12 00:00:00PC0x999925002420
22023-08-18 00:00:002023-08-19 00:00:00PC0x999925002075
32023-08-25 00:00:002023-08-26 00:00:00PC0x999925002255
42023-09-01 00:00:002023-09-02 00:00:00PC0x99992500455
52023-09-08 00:00:002023-09-09 00:00:00PC0x999925001095

Swift Mission Operations Center

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Swift MOC Team Leads

Mission Director: John Nousek
Science Operations: Jamie Kennea
Flight Operations: Mark Hilliard
UVOT: Michael Siegel
XRT: Jamie Kennea