Observation information
- date-obs: 2026-04-26
- time-obs: 17:58:43.511900000
- date-end: 2026-04-26
- time-end: 20:10:15.477400000
- obs_id: A14_070T08_9000006568
- exposure: 6260.5099262
- 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_57233cztM0_level2.fits
| modeM0/AS1A14_070T08_9000006568_57233cztM0_level2_quad_clean.evt
|
| Size (bytes) | 432,682,560 | 89,616,960 |
| Size | 412.6 MB
| 85.5 MB
|
| Events in quadrant A | 3,283,253 | 591,115 |
| Events in quadrant B | 3,909,931 | 627,157 |
| Events in quadrant C | 5,237,287 | 526,204 |
| Events in quadrant D | 3,087,914 | 522,053 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 12 | 0 |
| B | 0 | 12 | 0 |
| C | 0 | 12 | 0 |
| D | 0 | 12 | 0 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 130 | 0 |
| B | 0 | 130 | 0 |
| C | 0 | 130 | 0 |
| D | 0 | 130 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 14218 | 2 |
| B | 0 | 16138 | 2 |
| C | 0 | 20067 | 2 |
| D | 0 | 14006 | 2 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6405 | 64 | 0.999219% |
| B | 6406 | 291 | 4.542616% |
| C | 6406 | 513 | 8.008117% |
| D | 6406 | 43 | 0.671246% |
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 | 7889 | 6690 | 31 | 31 | 0.39% | 0.46% |  |
| B | 7890 | 6691 | 169 | 169 | 2.14% | 2.53% |  |
| C | 7890 | 6689 | 437 | 437 | 5.54% | 6.53% |  |
| D | 7890 | 6691 | 51 | 51 | 0.65% | 0.76% |  |
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 | 4 | 13 | 208239 | 1218.47 | 687 | 671 | 170.4 |
| A | 7 | 64 | 162566 | 950.36 | 687 | 671 | 170.4 |
| A | 0 | 128 | 131990 | 770.87 | 687 | 671 | 170.4 |
| B | 10 | 16 | 793826 | 5583.57 | 670 | 645 | 142.1 |
| B | 7 | 252 | 236196 | 1658.15 | 670 | 645 | 142.1 |
| B | 10 | 247 | 47582 | 330.41 | 670 | 645 | 142.1 |
| C | 15 | 224 | 2576030 | 14734.87 | 636 | 629 | 174.8 |
| C | 14 | 254 | 56642 | 320.47 | 636 | 629 | 174.8 |
| C | 14 | 67 | 36588 | 205.74 | 636 | 629 | 174.8 |
| D | 9 | 102 | 133492 | 718.02 | 650 | 621 | 185.1 |
| D | 3 | 12 | 109078 | 586.09 | 650 | 621 | 185.1 |
| D | 8 | 240 | 94573 | 507.71 | 650 | 621 | 185.1 |
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 |  |