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Quiet
Although we prefer to quote CTI values of the cleanest data (FT <= -119.7 C, int time > 7000sec), the data that fulfills these conditions are getting rare. We now quote CTI based on temperature corrected data for Focal plane temperature <= -118.5 C).
The unit is now CTI/year not CTI/day.
| Average of ACIS-I CCDs (MnKa) slope: | 6.032e-02 CTI/year | (1.653e-04 CTI/day) |
|---|---|---|
| Detrended slope: | 6.680e-02 CTI/year | (1.830e-04 CTI/day) |
We display all bad pixels that have showed up in past, and, if any, previously unknown bad pixels appeared in the last 14 days. We also list hot pixels (defined as 1000 above the average of bias background). Warm columns 509-514 are probably due to boundaries.
New definitions of warm pixels and flickering pixels (May 15, 2014). If a pixel displays the level beyond a threshold for more than 70% of the time in the past two weeks, the pixel is categorized as a "warm" pixel. If a pixel is above the threshold more than 30% of time but less than 70% of the time in the past two weeks, the pixel is categorized as a "flickering" pixel.
| CCD0 | CCD1 | CCD2 | CCD3 | CCD4 | CCD5 | CCD6 | CCD7 | CCD8 | CCD9 | |
|---|---|---|---|---|---|---|---|---|---|---|
| Previously Unknown Bad Pixels | ||||||||||
| Current Warm Pixels | (692,141) (143,700) | (910,239) (802,665) | (526,66) (726,537) (178,149) | (21,95) (680,391) | (335,412) | |||||
| Flickering Warm Pixels | (370,70) | (665,25) | (318,53) (669,458) (811,637) | (341,427) (161,206) (357,303) (367,511) (369,376) (258,797) (263,317) | (1000,214) | (881,53) (197,241) (139,109) (182,474) | ||||
| Current Hot Pixels | ||||||||||
| Flickering Hot Pixels | ||||||||||
| Warm column candidates | 512 1022 510 | 512 1022 | ||||||||
| Flickering Warm Column Candidates |
For this period, 8 peaks are observed.
| Day (DOY) | Temp (C) | Width (Days) | |
|---|---|---|---|
| 263.05 | -113.89 | 0.64 | |
| 264.00 | -110.05 | 0.96 | |
| 264.50 | -110.37 | 0.31 | |
| 265.28 | -113.25 | 0.65 | |
| 266.14 | -111.52 | 0.96 | |
| 267.12 | -110.54 | 0.35 | |
| 267.49 | -114.55 | 0.42 | |
| 268.92 | -113.08 | 0.81 |
Weekly focal plane temperature with sun angle, earth angle, and altitude overplotted. Sun angle is the solar array angle, that is the angle between the sun and the optical axis (+X axis). The earth angle is the angle between earth and the ACIS radiator (+Z axis). Altitude varies from 34 kkm to 128 kkm.
4 TSC moves this period
| weekly average time/step | 0.00145 s |
|---|---|
| mission average time/step | 0.00136 s |
New violations or new extrema are shown in blue cells.
| MSID | 09/20/19 | 09/21/19 | 09/22/19 | 09/23/19 | 09/24/19 | 09/25/19 | 09/26/19 | yellow limits (lower) upper | red limits (lower) upper | Units | Description |
| AAOTALT | (302.84) | (304.93) | (327.15) 334.15 |
(322.15) 339.15 |
K | AC OPT TEL ASSY LENS TEMP | |||||
| TAPE2PST | (294.43) | (294.86) | (294.86) | (293.57) | (323.15) 330.15 |
(318.15) 335.15 |
K | PEA-2 POWER SUPPLY TEMP | |||
| CTXBPWR | (0.00) | (0.00) | (0.00) | (0.00) | (0.00) | (0.00) | (36.12) 36.99 |
(36.0) 37.0 |
DBM | TRANSMITTER B OUTPUT POWER | |
| AAOTASMT | (304.51) | (327.15) 333.15 |
(322.15) 338.15 |
K | AC OPT TEL ASSY SECONDARY MIRROR TEMP | ||||||
| AACCCDRT | (305.77) | (305.35) | (330.15) 337.15 |
(325.15) 342.15 |
K | AC CCD TEMP (RDNT) | |||||
| AACH2T | (303.26) | (303.26) | (303.26) | (302.84) | (314.15) 341.15 |
(264.15) 373.15 |
K | AC HOUSING TEMP (ACH2) | |||
| 3TSMXSPT | 659.89 | 659.89 | 659.89 | 659.89 | 659.89 | (203.15) 283.15 |
(148.15) 353.15 |
K | -X TURTLE SHELL NR ACIS SS TEMP | ||
| AACBPRT | (307.54) | (331.15) 339.15 |
(326.15) 344.15 |
K | AC BASEPLATE TEMP (RDNT) | ||||||
| 5EPHINT | 344.96 | 341.76 | (261.15) 300.15 |
(258.15) 303.15 |
K | EPHIN TEMP | |||||
| AAOTH2MT | (302.84) | (304.93) | (328.15) 334.15 |
(323.15) 339.15 |
K | AC OPT TEL ASSY SECONDARY MIRROR TEMP (HRMA) | |||||
| 1PIN1AT | 344.99 | 344.99 | 344.99 | 344.99 | (253.15) 303.15 |
(236.65) 309.65 |
K | PSMC TEMP 1A | |||
| HRMACAV | 295.55 | 295.51 | (293.4) 294.8 |
(292.8) 295.5 |
TEMP | HRMA CAVITY AVG TEMP | |||||
| 1PIN1ATC | 71.84 | 71.84 | 71.84 | 71.84 | (-20.0) 30.0 |
(-36.5) 36.5 |
C | PSMC TEMP 1A | |||
| ELBI | 62.68 | 63.99 | 61.37 | 64.77 | 63.99 | 65.82 | 61.11 | (20.0) 60.0 |
(13.0) 66.0 |
AMP | LOAD BUS CURRENT (HIGH RANGE) |
| AACH1T | (301.59) | (302.84) | (314.15) 341.15 |
(264.15) 373.15 |
K | AC HOUSING TEMP (ACH1) | |||||
| AACCCDPT | (260.60) | (260.16) | (285.65) 288.15 |
(283.15) 290.65 |
K | AC CCD TEMP (PRI) |
| Gyro Bias Drift | Gyro Bias Drift Histogram |
|---|---|
|
|
| OBSID | DETECTOR | GRATING | TARGET | ANALYSIS | ACA |
|---|---|---|---|---|---|
| 22301 | ACIS-2367 | NONE | 124055.1+485114 | OK | OK |
| 22588 | ACIS-3678 | NONE | J220226.77+150952.38 | OK | OK |
| 21237 | ACIS-456789 | HETG | EXO 1846-031 | OK | OK |
| 22654 | ACIS-0123 | NONE | SPT-CLJ2317-3239 | OK | OK |
| 21449 | ACIS-2367 | NONE | J005904.10+010004.2 | OK | OK |
| 22513 | ACIS-235678 | NONE | J082527.7+295739.3 | OK | OK |
| 22852 | ACIS-0123 | NONE | SPT-CLJ2317-3239 | OK | OK |
| 22851 | ACIS-3678 | NONE | P352-15 | OK | OK |
| 22848 | ACIS-7 | NONE | AT2019osy | OK | OK |
| 22650 | ACIS-0123 | NONE | PSZ2G181.06+48.47 | OK | OK |
| 21357 | ACIS-01237 | NONE | PSR J1016-5857 | OK | OK |
| 21703 | ACIS-0123 | NONE | CL0152-13 | OK | OK |
| 22740 | ACIS-23678 | NONE | N132D | OK | OK |
This week's focus is Gratings
Last reported on
Jul 11.
Only the most interesting or representative msids are shown below.
For a full listing choose the bulletted link.
| MSID | Mean | RMS | Delta/Yr | Delta/Yr/Yr | Unit | Description |
|---|---|---|---|---|---|---|
| 4hposaro | 68.727 | 19.288 | 0.151+/-0.080 | -0.518+/-0.337 | DEG | HETG ROTATION ANGLE POSITION MONITOR A |
| 4hposbro | 69.305 | 19.500 | 0.179+/-0.081 | -0.484+/-0.341 | DEG | HETG ROTATION ANGLE POSITION MONITOR B |
| 4lposaro | 74.240 | 12.284 | 0.002+/-0.048 | 0.203+/-0.207 | DEG | LETG ROTATION ANGLE POSITION MONITOR A |
| 4lposbro | 73.314 | 12.639 | 0.007+/-0.049 | 0.199+/-0.213 | DEG | LETG ROTATION ANGLE POSITION MONITOR B |
| 4mp28av | 0.373 | 0.743 | 0.013+/-0.003 | (-2.91+/-109.70)e-4 | VDC | MCE A: +28 VOLT MONITOR |
| 4mp28bv | 1.815 | 2.915 | 0.039+/-0.015 | -0.022+/-0.056 | VDC | MCE B: +28 VOLT MONITOR |
| 4mp5av | 0.437 | 0.693 | 0.017+/-0.004 | 0.003+/-0.013 | VDC | MCE A: +5 VOLT MONITOR |
| 4mp5bv | 0.331 | 0.531 | -0.003+/-0.002 | -0.004+/-0.010 | VDC | MCE B: +5 VOLT MONITOR |
If you have any questions, please contact: swolk@head.cfa.harvard.edu