ToO Information

Request ID: 53376
Request Type: NEW
ToO Urgency: WITHIN A WEEK
Proposal ID:

Target Info

Target Name: 4U 1608-52
Target No.: 1975
Category: X-RAY BINARIES
Coordinates[J2000]: (243.17900, -52.42380)
Exp (ks): 1
Extended: N
Extent Size:
Background Restriction: N
Remarks:

Constraint Details

Monitor: N
Criteria:
Phase Dependent: N
Epoch:
Period:
Min:
Max:
Remarks:
Specific Time: Y
Start: 2025-02-17 15:59 UTC
End: 2025-02-17 21:00 UTC
Remarks: ATCA will observe between these two MJDs; there are three possible NICER windows in this range.
ToO: Y
Coordinate Observation: Y
Observatory: ATCA
Description: ATCA observations are scheduled for the range mentioned above.
Uninterrupted: N
Justification:
Estimated Count Rate (cts s-1): 500.000

Requester Information

Name: DR. JAKOB VAN DEN EIJNDEN

Status

Request Date (UTC): 2025-02-14 09:03:51
Disposition: Accepted
Date: 2025-02-14T21:10:10
Reason:
Person: Auto
Status: Complete
Date: 2025-02-18 21:12:10.749208
Person:

Misc

Note:

Target Details

Nearest Target No: 1975
Nearest Taget Name: 4U_1608-522
Separation (arcmin): 0.0426
Nearby Target (<3.0'): 1975[4U_1608-522]
Referenced Target Catalogue: /Home/eud/nicerweb/too/ags/NICER2_Xray_Target_List_V42j.csv.gz
Sun Angle: 76.9 deg at 2025:045:21:13:30 (UTC), 89.0 deg after 2 weeks

Planned Observations

AGS6 Reference: AGS6_STSCH_schedule_20250451400_20250581200_V02.txt.gz,AGS6_STSCH_schedule_20250452100_20250601200_V01.txt.gz,AGS6_STSCH_schedule_20250481900_20250631200_V03.txt.gz
Planned Snapshots:

Observation Start Observation End Span Mode Observation ID
(YYYY-DDDTHH:MM:SS) (YYYY-DDDTHH:MM:SS) (seconds) Man/Opt
2025-048T16:39:20 2025-048T16:53:00 820 Mandatory 99999999
2025-048T18:12:12 2025-048T18:26:00 828 Mandatory 99999999
2025-048T19:45:00 2025-048T19:58:40 820 Mandatory 99999999
2025-048T21:18:00 2025-048T21:31:40 820 Mandatory 99999999
2025-048T22:51:00 2025-048T23:04:40 820 Mandatory 99999999
2025-049T00:24:00 2025-049T00:37:20 800 Mandatory 99999999
2025-049T01:57:00 2025-049T02:10:20 800 Mandatory 99999999
2025-049T03:30:00 2025-049T03:43:20 800 Mandatory 99999999
2025-049T05:03:34 2025-049T05:14:21 647 Mandatory 99999999
2025-049T06:46:12 2025-049T06:49:00 168 Mandatory 99999999
2025-049T08:09:20 2025-049T08:22:00 760 Mandatory 99999999
2025-049T09:42:20 2025-049T09:54:40 740 Mandatory 99999999

Visibility

AGS3 Reference:
Visibility Report:

Target Name Target ID Visibility Start Visibility End Span Initial Final Relative
(YYYY-DDDTHH:MM:SS) (YYYY-DDDTHH:MM:SS) (seconds) Interference Interference Orbits