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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

19432
RequesterHoman
Time Submitted2023-09-26 04:03:40
UrgencyMedium Urgency (days to a week)
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)0.015
Science Justification
Exposure Time per Visit (s)2000
Number of Visits20
Total Exposure (s)20000
Immediate Objective
InstrumentXRT
XRT ModeAuto
UVOT Mode 0x011e: UVW2
Primary Target ID14052

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)
12023-09-28 00:00:002023-09-29 00:00:00Auto0x011e13500
22023-09-28 00:00:002023-09-29 00:00:00Auto0x20056500
32023-09-30 00:00:002023-10-01 00:00:00Auto0x011e13500
42023-09-30 00:00:002023-10-01 00:00:00Auto0x20056500
52023-10-02 00:00:002023-10-03 00:00:00Auto0x011e13500
62023-10-02 00:00:002023-10-03 00:00:00Auto0x20056500
72023-10-04 00:00:002023-10-05 00:00:00Auto0x011e13500
82023-10-04 00:00:002023-10-05 00:00:00Auto0x20056500
92023-10-06 00:00:002023-10-07 00:00:00Auto0x011e13500
102023-10-06 00:00:002023-10-07 00:00:00Auto0x20056500
112023-10-08 00:00:002023-10-09 00:00:00Auto0x011e13500
122023-10-08 00:00:002023-10-09 00:00:00Auto0x20056500
132023-10-10 00:00:002023-10-11 00:00:00Auto0x011e13500
142023-10-10 00:00:002023-10-11 00:00:00Auto0x20056500
152023-10-12 00:00:002023-10-13 00:00:00Auto0x011e13500
162023-10-12 00:00:002023-10-13 00:00:00Auto0x20056500
172023-10-14 00:00:002023-10-15 00:00:00WT0x011e13500
182023-10-14 00:00:002023-10-15 00:00:00Auto0x20056500
192023-10-16 00:00:002023-10-17 00:00:00Auto0x011e13500
202023-10-16 00:00:002023-10-17 00:00:00Auto0x20056500

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Swift MOC Team Leads

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Science Operations: Jamie Kennea
Flight Operations: Mark Hilliard
UVOT: Michael Siegel
XRT: Jamie Kennea

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