Swift MOC
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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 GX 339-4



ToO ID

20245
RequesterShaw
Time Submitted2024-03-05 15:52:02
UrgencyHigh Urgency (observation needed within 24 hours)
Object NameGX 339-4
Type or ClassificationX-Ray Transient
Right Ascension (J2000)255.70575 (= 17h 02m 49.0s)
Declination (J2000)-48.78977 (= -48° 47' 23.0'')
Position Error (90% confidence - arcminutes)0
Science Justification
Exposure Time per Visit (s)1000
Number of Visits20
Total Exposure (s)20000
Immediate Objective
InstrumentXRT
XRT ModeWT
UVOT Mode0x9999: Default (Filter of the day)
Primary Target ID16552

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
Mode
UVOT
Mode
Exposure (s)Observed
Time (s)
12024-03-07 00:00:002024-03-08 00:00:00WT0x999910001000
22024-03-10 10:25:002024-03-10 12:48:00WT0x014410001030
32024-03-13 00:00:002024-03-14 00:00:00WT0x30c51000990
42024-03-16 00:00:002024-03-17 00:00:00WT0x30c510000
52024-03-19 00:00:002024-03-20 00:00:00WT0x30c510000
62024-03-22 00:00:002024-03-23 00:00:00WT0x30c510000
72024-03-25 00:00:002024-03-26 00:00:00WT0x30c510000
82024-03-28 00:00:002024-03-29 00:00:00WT0x30c510000
92024-03-30 00:00:002024-03-31 00:00:00WT0x30c510000
102024-04-03 00:00:002024-04-04 00:00:00WT0x30c510000
112024-04-06 00:00:002024-04-07 00:00:00WT0x30c51000785
122024-04-09 00:00:002024-04-10 00:00:00WT0x30c510001015
132024-04-12 00:00:002024-04-13 00:00:00WT0x30c51000920
142024-04-15 00:00:002024-04-16 00:00:00WT0x30c51000870
152024-04-18 00:00:002024-04-19 00:00:00WT0x30c51000745
162024-04-21 00:00:002024-04-22 00:00:00WT0x30c510000
172024-04-24 00:00:002024-04-25 00:00:00WT0x30c51000865
182024-04-26 00:00:002024-04-27 00:00:00WT0x30c51000505
192024-04-30 00:00:002024-05-01 00:00:00WT0x30c51000770
202024-05-03 00:00:002024-05-04 00:00:00WT0x30c51000955

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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