ToO Information

Request ID: 53411
Request Type: NEW
ToO Urgency: NEXT DAY
Proposal ID:

Target Info

Target Name: XSS J12270-4859
Target No.: 5078
Category: MAGNETARS AND ROTATION-POWERED PULSARS
Coordinates[J2000]: (186.99468, -48.89521)
Exp (ks): 2
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: 2025-02-18 07:56 UTC
End: 2025-02-18 08:25 UTC
Remarks: NICER observations are requested between: 1. 2025-02-18 07:56:20-08:17:00 UTC.
ToO: Y
Coordinate Observation: Y
Observatory: GEMINI-SOUTH
Description: Simultaneous high time resolution optical observations will be performed using the newly-commissioned high speed optical photometer (Iqueye), outfitted on Gemini-South.
Uninterrupted: Y
Justification: Optical observations will be performed continuously using Gemini-South.
Estimated Count Rate (cts s-1): 0.100

Requester Information

Name: DR. AARON B. PEARLMAN

Status

Request Date (UTC): 2025-02-17 15:07:55
Disposition: Accepted
Date: 2025-02-17T20:20:07
Reason:
Person: Auto
Status: Complete
Date: 2025-02-20 14:22:27.918953
Person:

Misc

Note:

Target Details

Nearest Target No: 6742
Nearest Taget Name: XSS_J12270-4859
Separation (arcmin): 0.0028
Nearby Target (<3.0'): 5078[XSS_J12270-4859],6554[XSS_J12270-4859],6742[XSS_J12270-4859],7208[XSS_J12270-4859]
Referenced Target Catalogue: /Home/eud/nicerweb/too/ags/NICER2_Xray_Target_List_V42j.csv.gz
Sun Angle: 113.2 deg at 2025:051:03:43:52 (UTC), 122.5 deg after 2 weeks

Planned Observations

AGS6 Reference: AGS6_STSCH_schedule_20250481900_20250631200_V03.txt.gz,AGS6_STSCH_schedule_20250501300_20250631200_V02.txt.gz,AGS6_STSCH_schedule_20250510200_20250631200_V01z.txt.gz
Planned Snapshots:

Observation Start Observation End Span Mode Observation ID
(YYYY-DDDTHH:MM:SS) (YYYY-DDDTHH:MM:SS) (seconds) Man/Opt
2025-049T08:01:20 2025-049T08:08:48 448 Mandatory 99999999
2025-049T08:22:30 2025-049T08:24:20 110 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