Observation information
- date-obs: 2026-01-05
- time-obs: 07:52:54.852600000
- date-end: 2026-01-05
- time-end: 10:00:39.835200000
- obs_id: A14_021T06_9000006538
- exposure: 3731.11154079
- 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_55577cztM0_level2.fits
| modeM0/AS1A14_021T06_9000006538_55577cztM0_level2_quad_clean.evt
|
| Size (bytes) | 671,765,760 | 86,889,600 |
| Size | 640.6 MB
| 82.9 MB
|
| Events in quadrant A | 3,352,449 | 633,808 |
| Events in quadrant B | 2,966,970 | 684,938 |
| Events in quadrant C | 11,927,688 | 342,230 |
| Events in quadrant D | 6,114,166 | 515,693 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 11 | 0 |
| B | 0 | 11 | 0 |
| C | 0 | 12 | 0 |
| D | 0 | 12 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 14656 | 2 |
| B | 0 | 13746 | 2 |
| C | 0 | 39950 | 16 |
| D | 0 | 22745 | 2 |
| 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 | 6513 | 125 | 1.919238% |
| B | 6513 | 94 | 1.443267% |
| C | 6511 | 3151 | 48.395024% |
| D | 6513 | 781 | 11.991402% |
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 | 7633 | 6514 | 52 | 52 | 0.68% | 0.80% |  |
| B | 7633 | 6514 | 30 | 30 | 0.39% | 0.46% |  |
| C | 7633 | 6514 | 3296 | 3296 | 43.18% | 50.60% |  |
| D | 7633 | 6514 | 684 | 684 | 8.96% | 10.50% |  |
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 | 15 | 32 | 233567 | 1364.33 | 690 | 674 | 170.7 |
| A | 0 | 8 | 218804 | 1277.85 | 690 | 674 | 170.7 |
| A | 12 | 115 | 131486 | 766.32 | 690 | 674 | 170.7 |
| B | 4 | 169 | 135825 | 936.54 | 680 | 654 | 144.3 |
| B | 10 | 247 | 58495 | 400.75 | 680 | 654 | 144.3 |
| B | 7 | 0 | 18918 | 126.54 | 680 | 654 | 144.3 |
| C | 9 | 38 | 9293152 | 60447.05 | 557 | 551 | 153.7 |
| C | 13 | 3 | 155224 | 1006.12 | 557 | 551 | 153.7 |
| C | 12 | 252 | 117396 | 760.06 | 557 | 551 | 153.7 |
| D | 11 | 129 | 3067262 | 17045.9 | 635 | 607 | 179.9 |
| D | 2 | 153 | 296493 | 1644.67 | 635 | 607 | 179.9 |
| D | 2 | 172 | 57053 | 313.75 | 635 | 607 | 179.9 |
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 |  |