ToO Information

Request ID: 46520
Request Type: NEW
ToO Urgency: NEXT DAY
Proposal ID: 6177

Target Info

Target Name: 4U 1820-30
Target No.: 7055
Category: X-RAY BINARIES
Coordinates[J2000]: (275.91904, -30.36128)
Exp (ks): 30
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: N
Justification:
Estimated Count Rate (cts s-1): 1100.000

Requester Information

Name: DR. GAURAVA KUMAR JAISAWAL

Status

Request Date (UTC): 2023-09-06 09:25:00
Disposition: GO-preapproved
Date: 2023-09-08 20:48:37.538101
Reason:
Person:
Status: Complete
Date: 2023-09-13 19:48:58.550499
Person:

Misc

Note:

Target Details

Nearest Target No: 6822
Nearest Taget Name: 4U_1820-303
Separation (arcmin): 0.0000
Nearby Target (<3.0'): 2405[4U_1820-30],6612[4U_1820-30],6613[4U_1820-30],6614[4U_1820-30],6615[4U_1820-30],6822[4U_1820-303],6861[4U_1820-30],7055[4U_1820-30],7060[4U_1820-303]
Referenced Target Catalogue: /Home/eud/nicerweb/too/ags/NICER2_Xray_Target_List_V37a.csv.gz
Sun Angle: 109.9 deg at 2023:251:06:37:14 (UTC), 96.4 deg after 2 weeks

Planned Observations

AGS6 Reference: AGS6_STSCH_schedule_20232501600_20232600000_V01.txt.gz,AGS6_STSCH_schedule_20232511200_20232610000_V01.txt.gz,AGS6_STSCH_schedule_20232511600_20232620000_V02.txt.gz,AGS6_STSCH_schedule_20232542000_20232650000_V04.txt.gz
Planned Snapshots:

Observation Start Observation End Span Mode Observation ID
(YYYY-DDDTHH:MM:SS) (YYYY-DDDTHH:MM:SS) (seconds) Man/Opt
2023-250T23:26:40 2023-250T23:31:20 280 Mandatory 66770201
2023-251T02:31:40 2023-251T02:37:00 320 Mandatory 66770201
2023-251T05:36:39 2023-251T05:42:40 361 Mandatory 66770201
2023-251T14:51:38 2023-251T15:00:00 502 Mandatory 66770201
2023-251T16:23:57 2023-251T16:33:00 543 Mandatory 66770201
2023-251T21:01:36 2023-251T21:11:40 604 Mandatory 66770201
2023-251T22:34:16 2023-251T22:44:40 624 Mandatory 66770201
2023-252T01:38:40 2023-252T01:50:20 700 Mandatory 66770201
2023-252T03:12:20 2023-252T03:23:20 660 Mandatory 66770201
2023-252T04:46:00 2023-252T04:56:20 620 Mandatory 66770201
2023-252T06:20:05 2023-252T06:28:40 516 Mandatory 66770201
2023-252T07:54:00 2023-252T08:01:00 420 Mandatory 66770201

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