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|
Chandra Aspect Operations |
The plot below shows intervals where the number of Kalman stars reported by the OBC (AOKALSTR) was zero or one for at least four updates. Intervals in the last 30 days are plotted in orange.
| Date | Duration | Obsid | Comment |
|---|---|---|---|
| 2026:019:09:56:58.251 | 31.8 | 32115 | SCS107 (Radiation) |
| 2026:019:09:53:14.801 | 31.8 | 32115 | SCS107 (Radiation) |
| 2026:014:22:32:52.847 | 31.8 | 31396 | Reacq - poor init star tracking |
| 2025:315:11:03:59.057 | 31.8 | 30162 | SCS107 (Radiation) |
| 2025:315:11:00:12.532 | 31.8 | 30162 | SCS107 (Radiation) |
| 2025:269:19:32:50.894 | 31.8 | 42093 | MUPS checkout |
| 2025:244:21:15:06.470 | 31.8 | 28826 | SCS107 (Radiation) |
| 2025:244:21:11:02.520 | 31.8 | 28826 | SCS107 (Radiation) |
| 2025:155:09:41:14.343 | 31.8 | 30960 | High Background |
| 2025:152:05:56:30.502 | 31.8 | 30114 | SCS107 (Radiation) |
| 2025:144:16:44:41.481 | 165.0 | 30930 | Momentum Unload |
| 2025:083:21:38:40.010 | 31.8 | 30869 | SCS107 (Radiation) |
| 2025:012:14:42:16.756 | 31.8 | 28203 | SCS107 (Manual LETG anom) |
| 2024:326:18:54:46.488 | 31.8 | 28831 | SCS107 (txings) |
| 2024:301:09:31:09.622 | 31.8 | 30586 | SCS107 (Radiation) |
| 2024:301:09:27:03.622 | 31.8 | 30586 | SCS107 (Radiation) |
| 2024:295:14:15:27.738 | 31.8 | 28052 | SCS107 (txings) |
| 2024:283:03:39:01.494 | 31.8 | 30561 | SCS107 (Radiation) |
| 2024:283:03:35:21.119 | 31.8 | 30561 | SCS107 (Radiation) |
| 2024:265:19:00:47.620 | 31.8 | 43126 | MUPS-A checkout |
| 2024:265:18:53:12.520 | 31.8 | 43126 | MUPS-A checkout |
| 2024:205:03:16:23.205 | 31.8 | 29443 | SCS107 (Radiation) |
| 2024:160:02:34:38.595 | 31.8 | 28470 | SCS107 (Radiation) |
| 2024:131:15:42:27.139 | 31.8 | 28699 | SCS107 (Radiation) |
| 2024:084:11:39:29.426 | 31.8 | 27226 | SCS107 (Radiation) |
| 2024:035:03:22:45.698 | 32.8 | 27349 | High Background -> NSM |
| 2024:035:03:20:22.198 | 31.8 | 27349 | High Background |
| 2024:022:19:54:53.402 | 31.8 | 26787 | SCS107 (Radiation) |
| 2024:022:19:51:12.002 | 31.8 | 26787 | SCS107 (Radiation) |
| 2023:309:12:35:50.743 | 31.8 | 29029 | SCS107 (Radiation) |
| 2023:273:19:37:25.068 | 31.8 | 44128 | MUPS-A checkout |
| 2023:113:22:38:54.057 | 31.8 | 27810 | SCS107 (Radiation) |
| 2023:075:17:45:35.573 | 31.8 | 27724 | MUPS-B checkout |
| 2023:074:11:43:03.715 | 31.8 | 27724 | SCS107 (Radiation) |
| 2023:074:11:39:11.040 | 31.8 | 27724 | SCS107 (Radiation) |
| 2023:058:03:20:21.895 | 31.8 | 25892 | SCS107 (Radiation) |
| 2023:058:03:16:17.945 | 31.8 | 25892 | SCS107 (Radiation) |
| 2023:047:06:14:08.417 | 30.8 | 0 | Safe Mode |
| 2023:040:15:31:43.726 | 31.8 | 27160 | MUPS-A A4 checkout |
| 2022:301:09:43:42.903 | 31.8 | 27520 | ACA high background |
| 2022:301:09:41:48.103 | 31.8 | 27520 | ACA high background |
| 2022:231:18:42:31.755 | 31.8 | 45317 | CTU reset => NSM |
| 2022:224:02:18:45.837 | 31.8 | 45339 | BSH recovery |
| 2022:224:02:17:32.037 | 32.8 | 45339 | many repeats... |
| 2022:224:01:42:42.062 | 31.8 | 45339 | BSH recovery |
| 2022:223:13:46:17.662 | 31.8 | 45339 | High IR zone => BSH |
| 2022:215:15:25:37.699 | 31.8 | 45357 | High IR zone |
| 2022:087:12:45:37.583 | 31.8 | 24252 | SCS107 (Radiation) |
| 2022:040:17:55:32.208 | 31.8 | 25445 | SCS107 (HRC Anomaly) |
| 2021:301:16:41:03.333 | 31.8 | 26166 | SCS107 (Radiation) |
| 2021:301:16:37:12.708 | 29.7 | 26166 | SCS107 (Radiation) |
| 2021:244:10:39:09.658 | 31.8 | 24520 | SCS107 (Manual / LETG Anomaly) |
Last modified:05/02/26
 |
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Center (CXC) is operated for NASA by the Smithsonian Astrophysical Observatory. 60 Garden Street, Cambridge, MA 02138 USA. Email: aspect_help@head.cfa.harvard.edu Smithsonian Institution, Copyright © 1998-2004. All rights reserved. |