Observation information
- date-obs: 2026-04-25
- time-obs: 22:40:51.720800000
- date-end: 2026-04-26
- time-end: 01:04:15.686200000
- obs_id: A14_070T08_9000006568
- exposure: 6006.64197671
- sourceid: NGC2173
- observer: saroonsasi19
- ra_pnt: 89.49167
- dec_pnt: -72.97833
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A14_070T08_9000006568_57221cztM0_level2.fits
| modeM0/AS1A14_070T08_9000006568_57221cztM0_level2_quad_clean.evt
|
| Size (bytes) | 479,900,160 | 87,171,840 |
| Size | 457.7 MB
| 83.1 MB
|
| Events in quadrant A | 3,194,666 | 580,117 |
| Events in quadrant B | 3,541,064 | 615,842 |
| Events in quadrant C | 7,048,846 | 476,300 |
| Events in quadrant D | 3,458,565 | 499,727 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 16 | 0 |
| B | 0 | 17 | 0 |
| C | 0 | 17 | 0 |
| D | 0 | 17 | 0 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 136 | 0 |
| B | 0 | 136 | 0 |
| C | 0 | 136 | 0 |
| D | 0 | 136 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 14572 | 2 |
| B | 0 | 15353 | 2 |
| C | 0 | 25675 | 2 |
| D | 0 | 15375 | 2 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6703 | 99 | 1.476951% |
| B | 6703 | 216 | 3.222438% |
| C | 6703 | 1162 | 17.335521% |
| D | 6702 | 146 | 2.178454% |
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 | 7894 | 6980 | 54 | 54 | 0.68% | 0.77% |  |
| B | 7894 | 6980 | 81 | 81 | 1.03% | 1.16% |  |
| C | 7894 | 6978 | 915 | 915 | 11.59% | 13.11% |  |
| D | 7893 | 6979 | 102 | 102 | 1.29% | 1.46% |  |
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 | 3 | 95 | 342529 | 1944.35 | 712 | 695 | 175.8 |
| A | 10 | 251 | 50689 | 284.37 | 712 | 695 | 175.8 |
| A | 3 | 14 | 15107 | 81.98 | 712 | 695 | 175.8 |
| B | 10 | 16 | 285624 | 1902.54 | 702 | 677 | 149.8 |
| B | 5 | 185 | 261580 | 1742.0 | 702 | 677 | 149.8 |
| B | 0 | 155 | 38976 | 255.72 | 702 | 677 | 149.8 |
| C | 15 | 224 | 4115614 | 23817.31 | 637 | 630 | 172.8 |
| C | 12 | 254 | 216783 | 1251.08 | 637 | 630 | 172.8 |
| C | 14 | 254 | 94192 | 541.53 | 637 | 630 | 172.8 |
| D | 8 | 240 | 205343 | 1063.99 | 678 | 646 | 192.4 |
| D | 9 | 102 | 180348 | 934.07 | 678 | 646 | 192.4 |
| D | 3 | 176 | 108528 | 560.76 | 678 | 646 | 192.4 |
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 |  |