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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 NGC 4045 ULX


Time Submitted2023-04-12 17:33:13
UrgencyMedium Urgency (days to a week)
Object NameNGC 4045 ULX
Type or ClassificationUltraluminous X-ray Sources
Right Ascension (J2000)180.67650 (= 12h 02m 42.0s)
Declination (J2000)1.96904 (= 01° 58' 08.0'')
Position Error (90% confidence - arcminutes)0
Science Justification
Exposure Time per Visit (s)2000
Number of Visits10
Total Exposure (s)20000
Immediate Objective
UVOT Mode0x9999: Default (Filter of the day)
Primary Target ID12842

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)
12023-04-18 00:00:002023-04-19 00:00:00PC0x99992000860
22023-04-24 00:00:002023-04-25 00:00:00PC0x999920000
32023-04-30 00:00:002023-05-01 00:00:00PC0x999920001745
42023-05-06 00:00:002023-05-07 00:00:00PC0x99992000720
52023-05-12 00:00:002023-05-13 00:00:00PC0x999920001770
62023-05-18 00:00:002023-05-19 00:00:00PC0x999920001920
72023-05-24 00:00:002023-05-25 00:00:00PC0x99992000145
82023-05-31 00:00:002023-06-01 00:00:00PC0x999920001780
92023-06-05 00:00:002023-06-06 00:00:00PC0x999920001780
102023-06-11 00:00:002023-06-12 00:00:00PC0x999920001650

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