ToO Information

Request ID: 56048
Request Type: NEW
ToO Urgency: WITHIN A WEEK
Proposal ID:

Target Info

Target Name: AT2021ACAK
Target No.: 5537
Category: ACTIVE GALAXIES AND QUASARS
Coordinates[J2000]: (158.69960, 15.48950)
Exp (ks): 16
Extended: N
Extent Size:
Background Restriction: N
Remarks:

Constraint Details

Monitor: Y
Criteria: We request observations for 8-10 days consecutively, as QPEs are known to recur on timescales up to several days. During the monitoring program, we request 8 visits per day of >200 seconds each.
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): 0.100

Requester Information

Name: MR. JOHEEN CHAKRABORTY

Status

Request Date (UTC): 2025-04-18 00:24:41
Disposition: Accepted
Date: 2025-04-22T19:20:10
Reason:
Person: Auto
Status: Executing
Date: 2025-04-22T19:20:10
Person: Auto

Misc

Note:

Target Details

Nearest Target No: 5537
Nearest Taget Name: AT2021acak
Separation (arcmin): 0.0000
Nearby Target (<3.0'): 5537[AT2021acak]
Referenced Target Catalogue: /Home/eud/nicerweb/too/ags/NICER2_Xray_Target_List_V43d.csv.gz
Sun Angle: 72.0 deg at 2025:164:18:39:03 (UTC), 58.7 deg after 2 weeks

Planned Observations

AGS6 Reference: AGS6_STSCH_schedule_20251121900_20251261200_V01.txt.gz,AGS6_STSCH_schedule_20251131500_20251281200_V02.txt.gz,AGS6_STSCH_schedule_20251141700_20251230100_V03.txt.gz,AGS6_STSCH_schedule_20251141700_20251230100_V04.txt.gz,AGS6_STSCH_schedule_20251152000_20251260000_V01.txt.gz,AGS6_STSCH_schedule_20251190000_20251300000_V04.txt.gz,AGS6_STSCH_schedule_20251200000_20251331200_V01.txt.gz,AGS6_STSCH_schedule_20251201800_20251330000_V02.txt.gz,AGS6_STSCH_schedule_20251212100_20251320100_V03.txt.gz,AGS6_STSCH_schedule_20251251900_20251400000_V01.txt.gz,AGS6_STSCH_schedule_20251261900_20251401200_V01.txt.gz,AGS6_STSCH_schedule_20251271800_20251420000_V02.txt.gz,AGS6_STSCH_schedule_20251281900_20251400200_V03.txt.gz,AGS6_STSCH_schedule_20251291600_20251441200_V03.txt.gz,AGS6_STSCH_schedule_20251331600_20251471200_V05.txt.gz,AGS6_STSCH_schedule_20251341600_20251491200_V01.txt.gz,AGS6_STSCH_schedule_20251361600_20251471200_V01.txt.gz,AGS6_STSCH_schedule_20251392100_20251541200_V02.txt.gz,AGS6_STSCH_schedule_20251410000_20251541200_V02.txt.gz,AGS6_STSCH_schedule_20251411500_20251561200_V03.txt.gz,AGS6_STSCH_schedule_20251421900_20251521200_V01.txt.gz,AGS6_STSCH_schedule_20251431000_20251561200_V03.txt.gz,AGS6_STSCH_schedule_20251431700_20251581200_V01.txt.gz,AGS6_STSCH_schedule_20251471300_20251611200_V03.txt.gz,AGS6_STSCH_schedule_20251481600_20251631200_V01.txt.gz,AGS6_STSCH_schedule_20251491900_20251631200_V01.txt.gz,AGS6_STSCH_schedule_20251531500_20251680000_V01.txt.gz,AGS6_STSCH_schedule_20251551200_20251680000_V01.txt.gz,AGS6_STSCH_schedule_20251561700_20251650000_V02.txt.gz,AGS6_STSCH_schedule_20251571700_20251650000_V01.txt.gz,AGS6_STSCH_schedule_20251611200_20251720000_V02.txt.gz,AGS6_STSCH_schedule_20251611200_20251720000_V03.txt.gz,AGS6_STSCH_schedule_20251621500_20251730000_V01.txt.gz,AGS6_STSCH_schedule_20251641700_20251720000_V01.txt.gz,AGS6_STSCH_schedule_20251671500_20251790000_V03.txt.gz
Planned Snapshots:

Observation Start Observation End Span Mode Observation ID
(YYYY-DDDTHH:MM:SS) (YYYY-DDDTHH:MM:SS) (seconds) Man/Opt
2025-115T20:08:34 2025-115T20:11:40 186 Mandatory 99999999
2025-116T08:23:50 2025-116T08:28:00 250 Mandatory 99999999
2025-116T09:41:40 2025-116T09:49:52 492 Mandatory 99999999
2025-116T13:02:04 2025-116T13:07:14 311 Mandatory 99999999
2025-116T16:13:54 2025-116T16:18:20 266 Mandatory 99999999
2025-116T19:26:10 2025-116T19:30:00 230 Mandatory 99999999
2025-116T22:25:50 2025-116T22:31:00 310 Mandatory 99999999
2025-117T01:24:12 2025-117T01:31:16 424 Mandatory 99999999
2025-117T04:44:11 2025-117T04:48:00 229 Mandatory 99999999
2025-117T10:35:04 2025-117T10:38:40 216 Mandatory 99999999
2025-117T13:40:04 2025-117T13:44:20 256 Mandatory 99999999
2025-117T17:08:20 2025-117T17:11:40 200 Mandatory 99999999
2025-117T19:52:46 2025-117T19:56:20 214 Mandatory 99999999
2025-117T22:51:40 2025-117T22:56:40 300 Mandatory 99999999
2025-118T02:03:03 2025-118T02:07:00 237 Mandatory 99999999
2025-118T05:13:16 2025-118T05:21:53 517 Mandatory 99999999
2025-118T06:43:24 2025-118T06:46:20 176 Mandatory 99999999
2025-118T08:26:36 2025-118T08:35:38 542 Mandatory 99999999
2025-118T09:59:37 2025-118T10:08:38 541 Mandatory 99999999
2025-118T11:30:22 2025-118T11:41:37 675 Mandatory 99999999
2025-118T14:37:43 2025-118T14:47:20 578 Mandatory 99999999
2025-118T17:53:08 2025-118T17:59:00 352 Mandatory 99999999
2025-118T19:25:48 2025-118T19:32:00 372 Mandatory 99999999
2025-118T22:31:48 2025-118T22:38:00 372 Mandatory 99999999
2025-119T01:18:07 2025-119T01:25:20 433 Mandatory 99999999
2025-119T04:31:34 2025-119T04:35:40 246 Mandatory 99999999
2025-119T07:40:38 2025-119T07:49:20 522 Mandatory 99999999
2025-119T14:01:20 2025-119T14:07:40 380 Mandatory 99999999

Visibility

AGS3 Reference: AGS3_LTVIS_report_20251671500_20251821159_V01.txt.gz
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
AT2021acak 5537 2025-167T15:23:20 2025-167T15:56:40 2000 EARTH STRUCT 0.251708
AT2021acak 5537 2025-167T16:56:20 2025-167T17:29:20 1980 STRUCT STRUCT 1.254944
AT2021acak 5537 2025-167T18:29:00 2025-167T19:02:20 2000 STRUCT STRUCT 2.254585
AT2021acak 5537 2025-167T20:02:00 2025-167T20:35:00 1980 STRUCT STRUCT 3.257821
AT2021acak 5537 2025-167T21:35:00 2025-167T22:08:00 1980 STRUCT STRUCT 4.261057
AT2021acak 5537 2025-167T23:08:00 2025-167T23:41:00 1980 STRUCT STRUCT 5.264293
AT2021acak 5537 2025-168T00:40:40 2025-168T01:13:40 1980 STRUCT STRUCT 6.263934
AT2021acak 5537 2025-168T02:13:40 2025-168T02:46:40 1980 STRUCT STRUCT 7.267170
AT2021acak 5537 2025-168T03:46:40 2025-168T04:19:20 1960 STRUCT STRUCT 8.270406
AT2021acak 5537 2025-168T05:19:40 2025-168T05:52:20 1960 STRUCT STRUCT 9.273643
AT2021acak 5537 2025-168T06:52:20 2025-168T07:25:20 1980 STRUCT STRUCT 10.273283
AT2021acak 5537 2025-168T08:25:20 2025-168T08:58:00 1960 STRUCT STRUCT 11.276519
AT2021acak 5537 2025-168T09:58:20 2025-168T10:31:00 1960 STRUCT STRUCT 12.279755
AT2021acak 5537 2025-168T11:31:20 2025-168T12:03:40 1940 STRUCT STRUCT 13.282992
AT2021acak 5537 2025-168T13:04:00 2025-168T13:36:40 1960 STRUCT STRUCT 14.282632
AT2021acak 5537 2025-168T14:37:00 2025-168T15:09:20 1940 STRUCT STRUCT 15.285868
AT2021acak 5537 2025-168T16:10:00 2025-168T16:39:40 1780 STRUCT GLINT 16.289105
AT2021acak 5537 2025-168T17:42:40 2025-168T18:12:00 1760 STRUCT GLINT 17.288745
AT2021acak 5537 2025-168T19:15:40 2025-168T19:44:00 1700 STRUCT GLINT 18.291981
AT2021acak 5537 2025-168T20:48:40 2025-168T21:16:20 1660 STRUCT GLINT 19.295218
AT2021acak 5537 2025-168T22:21:40 2025-168T22:48:20 1600 STRUCT GLINT 20.298454
AT2021acak 5537 2025-168T23:54:20 2025-169T00:20:40 1580 STRUCT GLINT 21.298094
AT2021acak 5537 2025-169T01:27:20 2025-169T01:52:40 1520 STRUCT GLINT 22.301330
AT2021acak 5537 2025-169T03:00:20 2025-169T03:25:00 1480 STRUCT GLINT 23.304567
AT2021acak 5537 2025-169T04:33:20 2025-169T04:57:20 1440 STRUCT GLINT 24.307803
AT2021acak 5537 2025-169T06:06:00 2025-169T06:29:40 1420 STRUCT GLINT 25.307443
AT2021acak 5537 2025-169T07:39:00 2025-169T08:01:40 1360 STRUCT GLINT 26.310680
AT2021acak 5537 2025-169T09:12:00 2025-169T09:34:00 1320 STRUCT GLINT 27.313916
AT2021acak 5537 2025-169T10:45:00 2025-169T11:06:20 1280 STRUCT GLINT 28.317152
AT2021acak 5537 2025-169T12:17:40 2025-169T12:38:40 1260 STRUCT GLINT 29.316793
AT2021acak 5537 2025-169T13:50:40 2025-169T14:11:00 1220 STRUCT GLINT 30.320029
AT2021acak 5537 2025-169T15:23:40 2025-169T15:43:20 1180 STRUCT GLINT 31.323265
AT2021acak 5537 2025-169T16:56:40 2025-169T17:15:20 1120 STRUCT GLINT 32.326501
AT2021acak 5537 2025-169T18:29:40 2025-169T18:47:40 1080 STRUCT GLINT 33.329738
AT2021acak 5537 2025-169T20:02:20 2025-169T20:20:00 1060 STRUCT GLINT 34.329378
AT2021acak 5537 2025-169T21:35:20 2025-169T21:52:20 1020 STRUCT GLINT 35.332614
AT2021acak 5537 2025-169T23:08:20 2025-169T23:24:40 980 STRUCT GLINT 36.335850
AT2021acak 5537 2025-170T00:41:20 2025-170T01:10:00 1720 STRUCT EARTH 37.339087
AT2021acak 5537 2025-170T02:14:00 2025-170T02:43:00 1740 STRUCT EARTH 38.338727
AT2021acak 5537 2025-170T03:47:00 2025-170T04:15:40 1720 STRUCT EARTH 39.341963
AT2021acak 5537 2025-170T05:20:00 2025-170T05:34:00 840 STRUCT GLINT 40.345200
AT2021acak 5537 2025-170T06:53:00 2025-170T07:06:20 800 STRUCT GLINT 41.348436
AT2021acak 5537 2025-170T08:26:00 2025-170T08:38:40 760 STRUCT GLINT 42.351672
AT2021acak 5537 2025-170T09:59:00 2025-170T10:11:00 720 STRUCT GLINT 43.354908
AT2021acak 5537 2025-170T11:31:40 2025-170T11:43:20 700 STRUCT GLINT 44.354549
AT2021acak 5537 2025-170T13:04:40 2025-170T13:15:40 660 STRUCT GLINT 45.357785
AT2021acak 5537 2025-170T14:37:40 2025-170T14:48:00 620 STRUCT GLINT 46.361021
AT2021acak 5537 2025-170T16:10:40 2025-170T16:20:20 580 STRUCT GLINT 47.364257
AT2021acak 5537 2025-170T17:43:40 2025-170T17:52:40 540 STRUCT GLINT 48.367494
AT2021acak 5537 2025-170T18:09:00 2025-170T18:11:40 160 GLINT EARTH 48.640777
AT2021acak 5537 2025-170T19:16:20 2025-170T19:25:00 520 STRUCT GLINT 49.367134
AT2021acak 5537 2025-170T19:41:00 2025-170T19:44:20 200 GLINT EARTH 49.633225
AT2021acak 5537 2025-170T20:49:20 2025-170T20:57:20 480 STRUCT GLINT 50.370370
AT2021acak 5537 2025-170T21:13:20 2025-170T21:17:20 240 GLINT EARTH 50.629270
AT2021acak 5537 2025-170T22:22:20 2025-170T22:30:00 460 STRUCT GLINT 51.373607
AT2021acak 5537 2025-170T22:45:40 2025-170T22:50:00 260 GLINT EARTH 51.625315
AT2021acak 5537 2025-170T23:55:20 2025-171T00:02:20 420 STRUCT GLINT 52.376843
AT2021acak 5537 2025-171T00:17:40 2025-171T00:23:00 320 GLINT EARTH 52.617763
AT2021acak 5537 2025-171T01:28:20 2025-171T01:34:40 380 STRUCT GLINT 53.380079
AT2021acak 5537 2025-171T01:50:00 2025-171T01:56:00 360 GLINT EARTH 53.613808
AT2021acak 5537 2025-171T03:01:20 2025-171T03:07:00 340 STRUCT GLINT 54.383315
AT2021acak 5537 2025-171T03:22:20 2025-171T03:28:40 380 GLINT EARTH 54.609853
AT2021acak 5537 2025-171T04:34:20 2025-171T04:39:20 300 STRUCT GLINT 55.386552
AT2021acak 5537 2025-171T04:54:40 2025-171T05:01:40 420 GLINT EARTH 55.605897
AT2021acak 5537 2025-171T06:07:00 2025-171T06:11:40 280 STRUCT GLINT 56.386192
AT2021acak 5537 2025-171T06:27:00 2025-171T06:34:20 440 GLINT EARTH 56.601942
AT2021acak 5537 2025-171T07:40:00 2025-171T07:44:00 240 STRUCT GLINT 57.389428
AT2021acak 5537 2025-171T07:59:20 2025-171T08:07:20 480 GLINT EARTH 57.597986
AT2021acak 5537 2025-171T09:13:00 2025-171T09:16:20 200 STRUCT GLINT 58.392665
AT2021acak 5537 2025-171T09:31:40 2025-171T09:40:00 500 GLINT EARTH 58.594031
AT2021acak 5537 2025-171T10:46:00 2025-171T10:48:40 160 STRUCT GLINT 59.395901
AT2021acak 5537 2025-171T11:04:20 2025-171T11:13:00 520 GLINT EARTH 59.593671
AT2021acak 5537 2025-171T12:36:40 2025-171T12:46:00 560 GLINT EARTH 60.589716
AT2021acak 5537 2025-171T14:09:00 2025-171T14:18:40 580 GLINT EARTH 61.585761
AT2021acak 5537 2025-171T15:41:20 2025-171T15:51:40 620 GLINT EARTH 62.581805
AT2021acak 5537 2025-171T16:58:00 2025-171T17:23:40 1540 STRUCT STRUCT 63.408846
AT2021acak 5537 2025-171T18:30:40 2025-171T18:56:00 1520 STRUCT STRUCT 64.408486
AT2021acak 5537 2025-171T20:03:40 2025-171T20:28:20 1480 STRUCT STRUCT 65.411722
AT2021acak 5537 2025-171T21:36:40 2025-171T22:00:40 1440 STRUCT STRUCT 66.414959
AT2021acak 5537 2025-171T23:09:40 2025-171T23:33:20 1420 STRUCT STRUCT 67.418195
AT2021acak 5537 2025-172T00:42:40 2025-172T01:05:40 1380 STRUCT STRUCT 68.421431
AT2021acak 5537 2025-172T02:15:40 2025-172T02:38:00 1340 STRUCT STRUCT 69.424667
AT2021acak 5537 2025-172T03:48:40 2025-172T04:10:20 1300 STRUCT STRUCT 70.427904
AT2021acak 5537 2025-172T05:21:40 2025-172T05:43:00 1280 STRUCT STRUCT 71.431140
AT2021acak 5537 2025-172T06:54:40 2025-172T07:15:20 1240 STRUCT STRUCT 72.434376
AT2021acak 5537 2025-172T08:27:40 2025-172T08:47:40 1200 STRUCT STRUCT 73.437612
AT2021acak 5537 2025-172T10:00:40 2025-172T10:20:20 1180 STRUCT STRUCT 74.440849
AT2021acak 5537 2025-172T11:33:20 2025-172T11:52:40 1160 STRUCT STRUCT 75.440489
AT2021acak 5537 2025-172T13:06:20 2025-172T13:25:00 1120 STRUCT STRUCT 76.443725
AT2021acak 5537 2025-172T14:39:20 2025-172T14:57:40 1100 STRUCT STRUCT 77.446962
AT2021acak 5537 2025-172T16:12:20 2025-172T16:30:00 1060 STRUCT STRUCT 78.450198
AT2021acak 5537 2025-172T17:45:20 2025-172T18:02:20 1020 STRUCT STRUCT 79.453434
AT2021acak 5537 2025-172T19:18:20 2025-172T19:35:00 1000 STRUCT STRUCT 80.456670
AT2021acak 5537 2025-172T20:51:20 2025-172T21:07:20 960 STRUCT STRUCT 81.459907
AT2021acak 5537 2025-172T22:24:20 2025-172T22:40:00 940 STRUCT STRUCT 82.463143
AT2021acak 5537 2025-172T23:57:20 2025-173T00:12:20 900 STRUCT STRUCT 83.466379
AT2021acak 5537 2025-173T01:30:20 2025-173T01:44:40 860 STRUCT STRUCT 84.469615
AT2021acak 5537 2025-173T03:03:20 2025-173T03:17:20 840 STRUCT STRUCT 85.472851
AT2021acak 5537 2025-173T04:36:20 2025-173T04:49:40 800 STRUCT STRUCT 86.476088
AT2021acak 5537 2025-173T06:09:20 2025-173T06:22:20 780 STRUCT STRUCT 87.479324
AT2021acak 5537 2025-173T07:42:20 2025-173T07:54:40 740 STRUCT STRUCT 88.482560
AT2021acak 5537 2025-173T09:15:20 2025-173T09:27:00 700 STRUCT STRUCT 89.485796
AT2021acak 5537 2025-173T10:48:20 2025-173T10:59:40 680 STRUCT STRUCT 90.489033
AT2021acak 5537 2025-173T12:21:20 2025-173T12:32:00 640 STRUCT STRUCT 91.492269
AT2021acak 5537 2025-173T13:54:20 2025-173T14:04:20 600 STRUCT STRUCT 92.495505
AT2021acak 5537 2025-173T15:27:20 2025-173T15:37:00 580 STRUCT STRUCT 93.498741
AT2021acak 5537 2025-173T17:00:20 2025-173T17:09:20 540 STRUCT STRUCT 94.501978
AT2021acak 5537 2025-173T18:33:20 2025-173T18:41:40 500 STRUCT STRUCT 95.505214
AT2021acak 5537 2025-173T20:06:20 2025-173T20:14:20 480 STRUCT STRUCT 96.508450
AT2021acak 5537 2025-173T21:39:20 2025-173T21:46:40 440 STRUCT STRUCT 97.511686
AT2021acak 5537 2025-173T23:12:20 2025-173T23:19:00 400 STRUCT STRUCT 98.514923
AT2021acak 5537 2025-174T00:45:20 2025-174T00:51:40 380 STRUCT STRUCT 99.518159
AT2021acak 5537 2025-174T02:18:20 2025-174T02:24:00 340 STRUCT STRUCT 100.521395
AT2021acak 5537 2025-174T03:51:20 2025-174T03:56:20 300 STRUCT STRUCT 101.524631
AT2021acak 5537 2025-174T05:24:20 2025-174T05:28:40 260 STRUCT STRUCT 102.527868
AT2021acak 5537 2025-174T06:57:20 2025-174T07:01:20 240 STRUCT STRUCT 103.531104
AT2021acak 5537 2025-174T08:30:40 2025-174T08:33:40 180 STRUCT STRUCT 104.537936
AT2021acak 5537 2025-174T10:03:40 2025-174T10:06:00 140 STRUCT STRUCT 105.541172
AT2021acak 5537 2025-181T23:37:20 2025-181T23:48:40 680 STRUCT STRUCT 223.056455
AT2021acak 5537 2025-182T01:10:19 2025-182T01:22:19 720 STRUCT STRUCT 224.059691
AT2021acak 5537 2025-182T02:43:19 2025-182T02:55:59 760 STRUCT STRUCT 225.062927
AT2021acak 5537 2025-182T04:16:19 2025-182T04:29:19 780 STRUCT STRUCT 226.066163
AT2021acak 5537 2025-182T05:49:19 2025-182T06:02:59 820 STRUCT STRUCT 227.069399
AT2021acak 5537 2025-182T07:22:19 2025-182T07:36:19 840 STRUCT STRUCT 228.072636
AT2021acak 5537 2025-182T08:54:59 2025-182T09:09:39 880 STRUCT STRUCT 229.072276
AT2021acak 5537 2025-182T10:27:59 2025-182T10:43:19 920 STRUCT STRUCT 230.075512