ToO Information
Request ID: 40156
Request Type: NEW
ToO Urgency: NEXT BUSINESS DAY
Proposal ID: 4180
Target Info
Target Name: 4U 1820-30
Target No.: 6615
Category: X-RAY BINARIES
Coordinates[J2000]: (275.91904, -30.36128)
Exp (ks): 120
Extended: N
Extent Size:
Background Restriction: N
Remarks:
Constraint Details
Monitor: N
Criteria:
Phase Dependent: N
Epoch:
Period:
Min:
Max:
Remarks:
Specific Time: N
Start:
End:
Remarks:
ToO: Y
Coordinate Observation: N
Observatory:
Description:
Uninterrupted: Y
Justification: We request as much as possible continuous exposure so as to get a good estimate of the burst recurrence time.
Estimated Count Rate (cts s-1): 20000.000
Requester Information
Name: DR. JEROME CHENEVEZ
Status
Request Date (UTC): 2021-04-28 09:25:12
Disposition: GO-preapproved
Date: 2022-01-13 22:12:11.239728
Reason:
Person:
Status: Complete
Date: 2021-05-26 16:40:47.361122
Person:
Misc
Note: GO Prop #4180
Target Details
Nearest Target No:
Nearest Taget Name:
Separation (arcmin):
Nearby Target (<3.0'):
Referenced Target Catalogue:
Sun Angle: 148.6 deg at 2021:145:18:57:14 (UTC), 161.4 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:
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 |