Observation information
- date-obs: 2026-01-09
- time-obs: 07:18:12.637600000
- date-end: 2026-01-09
- time-end: 09:24:06.046900000
- obs_id: A14_021T06_9000006538
- exposure: 5468.11757261
- sourceid: GALEX J223113.0+822656
- observer: avdeeva_as
- ra_pnt: 337.8043
- dec_pnt: 82.4491
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A14_021T06_9000006538_55636cztM0_level2.fits
| modeM0/AS1A14_021T06_9000006538_55636cztM0_level2_quad_clean.evt
|
| Size (bytes) | 458,472,960 | 91,765,440 |
| Size | 437.2 MB
| 87.5 MB
|
| Events in quadrant A | 6,505,878 | 535,467 |
| Events in quadrant B | 2,721,693 | 671,120 |
| Events in quadrant C | 2,927,274 | 587,036 |
| Events in quadrant D | 4,310,271 | 531,460 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 10 | 0 |
| B | 0 | 10 | 0 |
| C | 0 | 10 | 0 |
| D | 0 | 10 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 23818 | 1 |
| B | 0 | 13257 | 1 |
| C | 0 | 13962 | 1 |
| D | 0 | 17603 | 1 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 132 | 0 |
| B | 0 | 132 | 0 |
| C | 0 | 132 | 0 |
| D | 0 | 132 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6504 | 1058 | 16.266913% |
| B | 6505 | 67 | 1.029977% |
| C | 6504 | 44 | 0.676507% |
| D | 6504 | 347 | 5.335178% |
Noise dominated fraction
Noise dominated data is calculated using 1-second bins in cleaned event files. If a bin has >2000 counts, and if more than 50% of those come from <1% of pixels, then it is considered to be noise-dominated and hence unusable.
| Quadrant |
# 1 sec bins |
Bins with >0 counts |
Bins with >2000 counts |
High rate bins dominated by noise |
Noise dominated (total time) |
Noise dominated (detector-on time) |
Marked lightcurve |
| A | 7554 | 6504 | 998 | 998 | 13.21% | 15.34% |  |
| B | 7555 | 6506 | 3 | 3 | 0.04% | 0.05% |  |
| C | 7554 | 6505 | 33 | 33 | 0.44% | 0.51% |  |
| D | 7554 | 6505 | 285 | 285 | 3.77% | 4.38% |  |
Top noisy pixels
Top three noisy pixels from each quadrant. If the there are fewer than three noisy pixels in the level2.evt file, extra rows are filled as -1
| Pixel properties |
Quadrant properties |
| Quadrant |
DetID |
PixID |
Counts |
Sigma |
Mean |
Median |
Sigma |
| A | 12 | 115 | 3283446 | 20717.23 | 638 | 621 | 158.5 |
| A | 8 | 249 | 245799 | 1547.27 | 638 | 621 | 158.5 |
| A | 15 | 32 | 231514 | 1457.12 | 638 | 621 | 158.5 |
| B | 10 | 247 | 28520 | 194.69 | 669 | 644 | 143.2 |
| B | 5 | 185 | 23386 | 158.83 | 669 | 644 | 143.2 |
| B | 12 | 111 | 17103 | 114.95 | 669 | 644 | 143.2 |
| C | 13 | 3 | 218283 | 1225.52 | 648 | 643 | 177.6 |
| C | 6 | 223 | 68318 | 381.07 | 648 | 643 | 177.6 |
| C | 12 | 250 | 55987 | 311.64 | 648 | 643 | 177.6 |
| D | 11 | 129 | 861156 | 4725.05 | 636 | 606 | 182.1 |
| D | 15 | 234 | 529721 | 2905.23 | 636 | 606 | 182.1 |
| D | 2 | 31 | 138826 | 758.93 | 636 | 606 | 182.1 |
Detector plane histogram (DPH)
Histogram calculated using DETX and DETY for each event in the final _common_clean file
| Quadrant A |
 |
 |
Quadrant B |
| Quadrant D |
 |
 |
Quadrant C |
Count rate plots and images
| Plot type |
Count rate plots |
Images |
Comparison with Poisson distribution
Blue bars denote a histogram of data divided into 1 sec bins.
Red curve is a Poisson curve with rate = median count rate of data. |
 |
 |
Quadrant-wise count rates
Data is divided into 100 sec bins |
 |
 |
Module-wise count rates for Quadrant A
Data is divided into 100 sec bins |
 |
 |
Module-wise count rates for Quadrant B
Data is divided into 100 sec bins |
 |
 |
Module-wise count rates for Quadrant C
Data is divided into 100 sec bins |
 |
 |
Module-wise count rates for Quadrant D
Data is divided into 100 sec bins |
 |
 |
Housekeeping plots
| Parameter |
Plot |
| CZT HV Monitor |  |
| D_VDD |  |
| Temperature 1 |  |
| Veto HV Monitor |  |
| Veto LLD |  |
| Alpha Counter |  |
| _CPM_Rate |  |
| CZT Counter |  |
| +2.5 Volts monitor |  |
| +5 Volts monitor |  |
| _ROLL_ROT |  |
| _Roll_DEC |  |
| _Roll_RA |  |
| Veto Counter |  |