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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 4u1820-303



ToO ID

18498
RequesterLa Monaca
Time Submitted2023-02-27 06:44:00
UrgencyLow Urgency (weeks)
Object Name4u1820-303
Type or ClassificationLow Mass X-ray Binary
Right Ascension (J2000)275.91904 (= 18h 23m 40.0s)
Declination (J2000)-30.36128 (= -30° 21' 40.0'')
Position Error (90% confidence - arcminutes)0
Science Justification
Exposure Time per Visit (s)3000
Number of Visits3
Total Exposure (s)9000
Immediate Objective
InstrumentXRT
XRT ModeAuto
UVOT Mode0x9999: Default (Filter of the day)
Primary Target ID14980

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)
12023-04-15 00:00:002023-04-15 16:00:00PC0x999930002510
22023-04-15 16:00:002023-04-16 08:00:00PC0x999930002685
32023-04-16 08:00:002023-04-17 00:00:00PC0x999930002525

Swift Mission Operations Center

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📧 swiftods@swift.psu.edu

Swift MOC Team Leads

Mission Director: John Nousek
Science Operations: Jamie Kennea
Flight Operations: Mark Hilliard
UVOT: Michael Siegel
XRT: Jamie Kennea

Swift Partners

UK: UCL MSSL Univ. of Leicester
USA: NASA/GSFC LANL Omitron SwRI
Italy: SSDC/ASI INAF OA-Brera