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 GRB 250331D
ToO ID | 22323 |
| Requester | Ronchini |
| Time Submitted | 2025-03-31 12:37:49 |
| Urgency | Highest Urgency (observation needed within 4 hours) |
| Object Name | GRB 250331D |
| Type or Classification | GRB |
| GRB Trigger Time (UT) | 2025-03-31 05:49:17 |
| GRB Discovery Instrument | Swift/BAT |
| Right Ascension (J2000) | 48.52540 (= 03h 14m 06.0s) |
| Declination (J2000) | 62.30596 (= 62° 18' 21.0'') |
| Position Error (90% confidence - arcminutes) | 5 |
| Science Justification | |
| Exposure Time per Visit (s) | 5000 |
| Number of Visits | 1 |
| Total Exposure (s) | 5000 |
| Immediate Objective | |
| Instrument | XRT |
| XRT Mode | PC |
| UVOT Mode | 0x2019: White |
| Primary Target ID | 21825 |
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 Start | Window Stop | XRT Mode | UVOT Mode | Exposure (s) | Observed Time (s) |
|---|---|---|---|---|---|---|
| 1 | 2025-04-04 00:00:00 | 2025-04-05 00:00:00 | PC | 0x2019 | 5000 | 3295 |
Swift Mission Operations Center
The Pennsylvania State University301 Science Park Road,
Building 2 Suite 332,
State College, PA 16801
USA
☎ +1 (814) 865-6834
📧 swiftods@swift.psu.edu
Swift MOC Team Leads
Mission Director: John NousekScience Operations: Jamie Kennea
Flight Operations: Mark Hilliard
UVOT: Michael Siegel
XRT: Jamie Kennea
Swift Partners
UK: UCL MSSL Univ. of LeicesterUSA: NASA/GSFC LANL Omitron SwRI
Italy: SSDC/ASI INAF OA-Brera