ToO Information
Request ID: 53315
Request Type: NEW
ToO Urgency: NEXT DAY
Proposal ID:
Target Info
Target Name: GRS 1915+105
Target No.:
Category: X-RAY BINARIES
Coordinates[J2000]: (288.79815, 10.94581)
Exp (ks): 80
Extended: N
Extent Size:
Background Restriction: N
Remarks:
Constraint Details
Monitor: Y
Criteria: 8 10-ksec observations on January 18,19,20,21,23,24,25,26
Phase Dependent: N
Epoch:
Period:
Min:
Max:
Remarks:
Specific Time: Y
Start: 2025-01-18 00:00 UTC
End: 2025-01-26 00:00 UTC
Remarks: We prefer that the X-ray observations be conducted simultaneously with the radio observations, or at the very least, on the same day. The schedule of the radio observations (UTC) is as follows: 20250118 07:00-08:00; 20250119 01:30-03:30; 20250120 01:00-03:00; 20250121 01:00-03:00; 20250123 00:15-02:15; 20250124 00:30-02:30; 20250125 07:00-08:00 20250126 01:00-03:00
ToO: Y
Coordinate Observation: PREFERRED
Observatory: TIANMA 65M RADIO TELESCOPE
Description: The schedule of the radio observations (UTC) is as follows: 20250118 07:00 08:00; 20250119 01:30 03:30; 20250120 01:00 03:00; 20250121 01:00 03:00; 20250123 00:15 02:15; 20250124 00:30 02:30; 20250125 07:00 08:00; 20250126 01:00 03:00;
Uninterrupted: N
Justification:
Estimated Count Rate (cts s-1): 150.000
Requester Information
Name: DR. ZHEN YAN
Status
Request Date (UTC): 2025-01-17 10:18:12
Disposition: Pending
Date:
Reason:
Person:
Status: Received
Date:
Person:
Misc
Note:
Target Details
Nearest Target No: 6834
Nearest Taget Name: GRS_1915+105
Separation (arcmin): 0.0012
Nearby Target (<3.0'): 2610[GRS_1915+105],6630[GRS_1915+105],6834[GRS_1915+105],7032[GRS_1915+105],7068[GRS_1915+105],7229[GRS_1915+105],7287[GRS_1915+105],7408[GRS_1915+105]
Referenced Target Catalogue: /Home/eud/nicerweb/too/ags/NICER2_Xray_Target_List_V42d.csv.gz
Sun Angle: 33.9 deg at 2025:020:19:43:28 (UTC), 39.3 deg after 2 weeks
Planned Observations
AGS6 Reference:
Planned Snapshots:
| Observation Start |
Observation End |
Span |
Mode |
Observation ID |
| (YYYY-DDDTHH:MM:SS) |
(YYYY-DDDTHH:MM:SS) |
(seconds) |
Man/Opt |
|
Visibility
AGS3 Reference: AGS3_LTVIS_report_20250201800_20250300000_V01.txt.gz
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 |