ToO Information
Request ID: 49108
Request Type: NEW
ToO Urgency: NEXT DAY
Proposal ID:
Target Info
Target Name: SGR A*
Target No.: 2225
Category: OTHER
Coordinates[J2000]: (266.41683, -29.00782)
Exp (ks): 29
Extended: N
Extent Size:
Background Restriction: N
Remarks:
Constraint Details
Monitor: Y
Criteria: X-ray flares coincident with IR flares are rare. All X-ray flares coincide with IR flares but not vice-versa. Thus, we need to monitor Sgr A* for X-ray variability and address the relationship between IR and X-ray flare emission. In particular, it is not clear if X-ray emission is due to synchrotron or ICS. Monitoring campaigns are needed to address this question.
Phase Dependent: N
Epoch:
Period:
Min:
Max:
Remarks:
Specific Time: Y
Start: 2024-03-21 04:49 UTC
End: 2024-03-21 12:49 UTC
Remarks: JWST, ALMA, VLA and MeerKAT observing Sgr A* for 8h starting at March 21, 5:49:13 UT.
ToO: Y
Coordinate Observation: Y
Observatory: JWST, VLA, ALMA AND MEERKAT
Description: The main driver of this campaign is JWST observing at two wavelengths simultaneously using NIRCam.
Uninterrupted: Y
Justification: This monitoring experiment is to study the variability of Sgr A* at near-IR using JWST. Sgr A* shows continuous flaring activity at IR. We need continuous X-ray observation to identify X-ray flares.
Estimated Count Rate (cts s-1): 1.000
Requester Information
Name: PROF. FARHAD YUSEF-ZADEH
Status
Request Date (UTC): 2024-03-20 16:03:35
Disposition: Accepted
Date: 2024-03-20T18:35:05
Reason:
Person: Auto
Status: Complete
Date: 2024-03-25 22:40:13.070102
Person:
Misc
Note:
Target Details
Nearest Target No: 2225
Nearest Taget Name: Sgr_A_star
Separation (arcmin): 0.0007
Nearby Target (<3.0'): 2220[Swift_J174535.5-285921],2222[AX_J1745.6-2901],2225[Sgr_A_star],6594[1A_1742-289],6801[1A_1742-289]
Referenced Target Catalogue: /Home/eud/nicerweb/too/ags/NICER2_Xray_Target_List_V38v.csv.gz
Sun Angle: 95.5 deg at 2024:082:21:02:06 (UTC), 109.3 deg after 2 weeks
Planned Observations
AGS6 Reference: AGS6_STSCH_schedule_20240801400_20240900000_V03.txt.gz,AGS6_STSCH_schedule_20240801900_20240951200_V02.txt.gz,AGS6_STSCH_schedule_20240811900_20240910000_V01.txt.gz,AGS6_STSCH_schedule_20240822000_20240971450_V01.txt.gz
Planned Snapshots:
| Observation Start |
Observation End |
Span |
Mode |
Observation ID |
| (YYYY-DDDTHH:MM:SS) |
(YYYY-DDDTHH:MM:SS) |
(seconds) |
Man/Opt |
|
| 2024-081T09:17:00 |
2024-081T09:24:20 |
440 |
Mandatory |
99999999 |
| 2024-081T10:49:20 |
2024-081T10:57:20 |
480 |
Mandatory |
99999999 |
| 2024-081T12:22:00 |
2024-081T12:30:00 |
480 |
Mandatory |
99999999 |
| 2024-083T00:11:15 |
2024-083T00:28:40 |
1045 |
Mandatory |
99999999 |
| 2024-083T01:44:15 |
2024-083T02:01:40 |
1045 |
Mandatory |
99999999 |
| 2024-083T03:17:16 |
2024-083T03:34:40 |
1044 |
Mandatory |
99999999 |
| 2024-083T04:49:07 |
2024-083T05:07:40 |
1113 |
Mandatory |
99999999 |
| 2024-083T06:22:07 |
2024-083T06:40:40 |
1113 |
Mandatory |
99999999 |
| 2024-083T07:56:17 |
2024-083T08:13:20 |
1023 |
Mandatory |
99999999 |
| 2024-083T09:28:08 |
2024-083T09:40:00 |
712 |
Mandatory |
99999999 |
| 2024-083T09:40:20 |
2024-083T09:46:20 |
360 |
Mandatory |
99999999 |
| 2024-083T11:01:08 |
2024-083T11:19:20 |
1092 |
Mandatory |
99999999 |
| 2024-083T12:34:58 |
2024-083T12:52:20 |
1042 |
Mandatory |
99999999 |
| 2024-083T14:06:49 |
2024-083T14:25:20 |
1111 |
Mandatory |
99999999 |
| 2024-083T15:39:49 |
2024-083T15:58:20 |
1111 |
Mandatory |
99999999 |
| 2024-083T17:14:00 |
2024-083T17:31:20 |
1040 |
Mandatory |
99999999 |
| 2024-083T18:47:00 |
2024-083T19:04:00 |
1020 |
Mandatory |
99999999 |
| 2024-083T20:22:51 |
2024-083T20:37:00 |
849 |
Mandatory |
99999999 |
| 2024-083T21:55:28 |
2024-083T22:10:00 |
872 |
Mandatory |
99999999 |
| 2024-083T23:28:29 |
2024-083T23:43:00 |
871 |
Mandatory |
99999999 |
| 2024-084T01:01:30 |
2024-084T01:16:00 |
870 |
Mandatory |
99999999 |
| 2024-084T02:34:31 |
2024-084T02:49:00 |
869 |
Mandatory |
99999999 |
| 2024-084T04:04:41 |
2024-084T04:22:00 |
1039 |
Mandatory |
99999999 |
| 2024-084T05:37:09 |
2024-084T05:54:40 |
1051 |
Mandatory |
99999999 |
| 2024-084T07:10:08 |
2024-084T07:27:40 |
1052 |
Mandatory |
99999999 |
| 2024-084T11:52:12 |
2024-084T12:06:40 |
868 |
Mandatory |
99999999 |
| 2024-084T13:25:36 |
2024-084T13:39:40 |
844 |
Mandatory |
99999999 |
| 2024-084T15:03:01 |
2024-084T15:12:20 |
559 |
Mandatory |
99999999 |
| 2024-084T16:27:11 |
2024-084T16:45:20 |
1089 |
Mandatory |
99999999 |
| 2024-084T18:09:02 |
2024-084T18:18:20 |
558 |
Mandatory |
99999999 |
| 2024-084T19:34:00 |
2024-084T19:51:20 |
1040 |
Mandatory |
99999999 |
| 2024-084T21:11:25 |
2024-084T21:24:20 |
775 |
Mandatory |
99999999 |
| 2024-084T22:44:25 |
2024-084T22:57:20 |
775 |
Mandatory |
99999999 |
| 2024-085T00:17:26 |
2024-085T00:30:20 |
774 |
Mandatory |
99999999 |
| 2024-085T01:51:33 |
2024-085T02:03:00 |
687 |
Mandatory |
99999999 |
| 2024-094T05:19:36 |
2024-094T06:00:40 |
2464 |
Mandatory |
99999999 |
| 2024-095T03:00:20 |
2024-095T03:41:20 |
2460 |
Mandatory |
99999999 |
| 2024-095T06:06:19 |
2024-095T06:47:20 |
2461 |
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 |