ToO Information

Request ID: 40475
Request Type: NEW
ToO Urgency: WITHIN A WEEK
Proposal ID: 4090

Target Info

Target Name: GX 339-4
Target No.: 6653
Category: X-RAY BINARIES
Coordinates[J2000]: (255.70567, -48.78967)
Exp (ks): 3
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: 2021-10-12 18:00 UTC
End: 2021-10-12 20:00 UTC
Remarks: This is to correlate with planned optical observations by the 1.9m telescope at the SAAO, South Africa, which will be observing in this time range. In specific, we request these times from the enhanced visibility tool: 2021-10-12 17:49:20 | 2021-10-12 18:11:40 | 1340s 2021-10-12 19:22:20 | 2021-10-12 19:44:40 | 1340s
ToO: Y
Coordinate Observation: Y
Observatory: SAAO, SOUTH AFRICA
Description: 1.9m/HIPPO (Fast-timing optical and polarimetric observations). Optical observation is expected to be continuous over the period 59499.750 -- 59499.833.
Uninterrupted: N
Justification:
Estimated Count Rate (cts s-1): 369.000

Requester Information

Name: DR. JOHN ALEXANDER PAICE

Status

Request Date (UTC): 2021-10-08 15:07:45
Disposition: GO-preapproved
Date: 2021-10-08 17:37:59.974710
Reason:
Person:
Status: Complete
Date: 2021-10-28 15:34:23.743796
Person:

Misc

Note:

Target Details

Nearest Target No: 2080
Nearest Taget Name: GX_339-4
Separation (arcmin): 0.0000
Nearby Target (<3.0'): 2080[GX_339-4],6281[GX_339-4],6282[GX_339-4],6365[GX_339-4],6586[GX_339-4],6650[GX_339-4],6653[GX_339-4],6673[GX_339-4]
Referenced Target Catalogue: NICER2_Xray_Target_List_V29g.csv
Sun Angle: 50.8 deg at 2021:300:18:06:37 (UTC), 39.8 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