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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 00:00:00PC0x011e13501865
22023-09-28 00:00:002023-09-29 00:00:00PC0x20056501865
32023-09-30 00:00:002023-10-01 00:00:00PC0x011e13502105
42023-09-30 00:00:002023-10-01 00:00:00PC0x20056502105
52023-10-02 00:00:002023-10-03 00:00:00PC0x011e13502040
62023-10-02 00:00:002023-10-03 00:00:00PC0x20056502040
72023-10-04 00:00:002023-10-05 00:00:00PC0x011e13502190
82023-10-04 00:00:002023-10-05 00:00:00PC0x20056502190
92023-10-06 00:00:002023-10-07 00:00:00PC0x011e13501880
102023-10-06 00:00:002023-10-07 00:00:00PC0x20056501880
112023-10-08 00:00:002023-10-09 00:00:00PC0x011e13501040
122023-10-08 00:00:002023-10-09 00:00:00PC0x20056501040
132023-10-10 00:00:002023-10-11 00:00:00PC0x011e13501940
142023-10-10 00:00:002023-10-11 00:00:00PC0x20056501940
152023-10-12 00:00:002023-10-13 00:00:00PC0x011e13501305
162023-10-12 00:00:002023-10-13 00:00:00PC0x20056501305
172023-10-14 00:00:002023-10-15 00:00:00WT0x011e13501695
182023-10-14 00:00:002023-10-15 00:00:00PC0x20056501695
192023-10-16 00:00:002023-10-17 00:00:00PC0x011e13501470
202023-10-16 00:00:002023-10-17 00:00:00PC0x20056501470

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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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