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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

19272
RequesterHoman
Time Submitted2023-08-22 11:30:03
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)0.015
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)
12023-08-23 00:00:002023-08-24 00:00:00PC0x011e13502070
22023-08-23 00:00:002023-08-24 00:00:00PC0x20056502070
32023-08-24 00:00:002023-08-26 00:00:00PC0x011e13502330
42023-08-24 00:00:002023-08-26 00:00:00PC0x20056502330
52023-08-27 00:00:002023-08-28 00:00:00PC0x011e13501938
62023-08-27 00:00:002023-08-28 00:00:00PC0x20056501938
72023-08-29 00:00:002023-08-30 00:00:00PC0x011e13501840
82023-08-29 00:00:002023-08-30 00:00:00PC0x20056501840
92023-08-31 00:00:002023-09-01 00:00:00PC0x011e13502195
102023-08-31 00:00:002023-09-01 00:00:00PC0x20056502195
112023-09-02 00:00:002023-09-03 00:00:00PC0x011e13501985
122023-09-02 00:00:002023-09-03 00:00:00PC0x20056501985
132023-09-04 00:00:002023-09-05 00:00:00PC0x011e13501755
142023-09-04 00:00:002023-09-05 00:00:00PC0x20056501755
152023-09-06 00:00:002023-09-07 00:00:00PC0x011e13502200
162023-09-06 00:00:002023-09-07 00:00:00PC0x20056502200
172023-09-08 00:00:002023-09-09 00:00:00PC0x011e13501775
182023-09-08 00:00:002023-09-09 00:00:00PC0x20056501775
192023-09-10 00:00:002023-09-11 00:00:00PC0x011e13501970
202023-09-10 00:00:002023-09-11 00:00:00PC0x20056501970

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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

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