ToO Information
Request ID: 53921
Request Type: NEW
ToO Urgency: NEXT DAY
Proposal ID:
Target Info
Target Name: 4U 1820-30
Target No.: 2405
Category: X-RAY BINARIES
Coordinates[J2000]: (275.91904, -30.36128)
Exp (ks): 15
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): 2025-03-17 21:21:43
Disposition: Accepted
Date: 2025-03-18T14:15:08
Reason:
Person: Auto
Status: Complete
Date: 2025-04-02 16:14:43.730652
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],7172[4U_1820-30],7382[4U_1820-30]
Referenced Target Catalogue: /Home/eud/nicerweb/too/ags/NICER2_Xray_Target_List_V42t.csv.gz
Sun Angle: 96.9 deg at 2025:091:21:40:21 (UTC), 110.5 deg after 2 weeks
Planned Observations
AGS6 Reference: AGS6_STSCH_schedule_20250771400_20250910000_V01.txt.gz,AGS6_STSCH_schedule_20250791300_20250931200_V01.txt.gz,AGS6_STSCH_schedule_20250801300_20250931200_V02.txt.gz,AGS6_STSCH_schedule_20250801400_20250951200_V01.txt.gz,AGS6_STSCH_schedule_20250801400_20250951200_V02.txt.gz,AGS6_STSCH_schedule_20250821800_20250950000_V02.txt.gz,AGS6_STSCH_schedule_20250831500_20250960000_V02.txt.gz,AGS6_STSCH_schedule_20250831500_20250960000_V03.txt.gz,AGS6_STSCH_schedule_20250851500_20251001200_V02.txt.gz,AGS6_STSCH_schedule_20250901800_20251021200_V01.txt.gz,AGS6_STSCH_schedule_20250911800_20251030000_V01.txt.gz
Planned Snapshots:
| Observation Start |
Observation End |
Span |
Mode |
Observation ID |
| (YYYY-DDDTHH:MM:SS) |
(YYYY-DDDTHH:MM:SS) |
(seconds) |
Man/Opt |
|
| 2025-077T15:23:27 |
2025-077T15:38:00 |
873 |
Mandatory |
99999999 |
| 2025-077T17:06:59 |
2025-077T17:11:00 |
241 |
Mandatory |
99999999 |
| 2025-077T18:13:13 |
2025-077T18:44:00 |
1847 |
Mandatory |
99999999 |
| 2025-077T21:26:48 |
2025-077T21:47:20 |
1232 |
Mandatory |
99999999 |
| 2025-078T03:45:16 |
2025-078T04:01:40 |
984 |
Mandatory |
99999999 |
| 2025-079T00:06:49 |
2025-079T00:09:40 |
171 |
Mandatory |
99999999 |
| 2025-079T04:14:26 |
2025-079T04:48:20 |
2034 |
Mandatory |
99999999 |
| 2025-079T18:27:21 |
2025-079T18:28:40 |
79 |
Mandatory |
99999999 |
| 2025-079T18:41:50 |
2025-079T18:44:40 |
170 |
Mandatory |
99999999 |
| 2025-079T19:58:00 |
2025-079T20:17:40 |
1180 |
Mandatory |
99999999 |
| 2025-079T21:35:48 |
2025-079T21:50:40 |
892 |
Mandatory |
99999999 |
| 2025-079T23:22:08 |
2025-079T23:23:40 |
92 |
Mandatory |
99999999 |
| 2025-080T00:41:28 |
2025-080T00:56:20 |
892 |
Mandatory |
99999999 |
| 2025-080T02:14:28 |
2025-080T02:29:20 |
892 |
Mandatory |
99999999 |
| 2025-080T03:47:28 |
2025-080T04:02:20 |
892 |
Mandatory |
99999999 |
| 2025-080T05:18:16 |
2025-080T05:35:20 |
1024 |
Mandatory |
99999999 |
| 2025-080T06:53:08 |
2025-080T07:08:20 |
912 |
Mandatory |
99999999 |
| 2025-080T08:26:08 |
2025-080T08:41:00 |
892 |
Mandatory |
99999999 |
| 2025-080T09:58:48 |
2025-080T10:14:00 |
912 |
Mandatory |
99999999 |
| 2025-080T11:31:48 |
2025-080T11:47:00 |
912 |
Mandatory |
99999999 |
| 2025-080T13:04:48 |
2025-080T13:20:00 |
912 |
Mandatory |
99999999 |
| 2025-083T04:43:24 |
2025-083T04:50:00 |
396 |
Mandatory |
99999999 |
| 2025-083T07:49:24 |
2025-083T07:55:40 |
376 |
Mandatory |
99999999 |
| 2025-083T09:22:04 |
2025-083T09:28:40 |
396 |
Mandatory |
99999999 |
| 2025-083T15:26:49 |
2025-083T15:40:20 |
811 |
Mandatory |
99999999 |
| 2025-083T18:39:50 |
2025-083T18:46:20 |
390 |
Mandatory |
99999999 |
| 2025-083T19:58:19 |
2025-083T20:19:00 |
1241 |
Mandatory |
99999999 |
| 2025-084T00:55:30 |
2025-084T00:57:40 |
130 |
Mandatory |
99999999 |
| 2025-084T05:33:21 |
2025-084T05:36:40 |
199 |
Mandatory |
99999999 |
| 2025-084T07:06:21 |
2025-084T07:09:20 |
179 |
Mandatory |
99999999 |
| 2025-084T11:44:34 |
2025-084T11:48:20 |
226 |
Mandatory |
99999999 |
| 2025-086T08:32:09 |
2025-086T08:42:40 |
631 |
Mandatory |
99999999 |
| 2025-088T00:40:11 |
2025-088T00:58:20 |
1089 |
Mandatory |
99999999 |
| 2025-092T22:32:24 |
2025-092T22:38:20 |
356 |
Mandatory |
99999999 |
| 2025-093T00:05:24 |
2025-093T00:11:20 |
356 |
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 |