Observation information
- date-obs: 2026-04-21
- time-obs: 09:50:01.839000000
- date-end: 2026-04-21
- time-end: 15:17:41.788100000
- obs_id: A14_070T08_9000006568
- exposure: 13014.6761286
- 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_57155cztM0_level2.fits
| modeM0/AS1A14_070T08_9000006568_57155cztM0_level2_quad_clean.evt
|
| Size (bytes) | 1,847,062,080 | 235,192,320 |
| Size | 1.7 GB
| 224.3 MB
|
| Events in quadrant A | 7,771,768 | 1,717,379 |
| Events in quadrant B | 11,098,870 | 1,765,914 |
| Events in quadrant C | 22,023,878 | 1,318,709 |
| Events in quadrant D | 26,064,288 | 1,055,716 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 13 | 0 |
| B | 0 | 13 | 0 |
| C | 0 | 13 | 0 |
| D | 0 | 13 | 0 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 374 | 0 |
| B | 0 | 374 | 0 |
| C | 0 | 374 | 0 |
| D | 0 | 374 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 37274 | 3 |
| B | 0 | 45964 | 3 |
| C | 0 | 78308 | 3 |
| D | 0 | 90016 | 9 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 18310 | 235 | 1.283452% |
| B | 18311 | 917 | 5.007919% |
| C | 18311 | 3869 | 21.129376% |
| D | 18310 | 5968 | 32.594211% |
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 | 19660 | 18313 | 5 | 5 | 0.03% | 0.03% |  |
| B | 19661 | 18314 | 361 | 361 | 1.84% | 1.97% |  |
| C | 19661 | 18314 | 3441 | 3441 | 17.50% | 18.79% |  |
| D | 19660 | 18313 | 4820 | 4820 | 24.52% | 26.32% |  |
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 | 14 | 37826 | 74.07 | 1964 | 1915 | 484.8 |
| A | 4 | 3 | 36054 | 70.41 | 1964 | 1915 | 484.8 |
| A | 3 | 245 | 29052 | 55.97 | 1964 | 1915 | 484.8 |
| B | 5 | 185 | 1234669 | 3037.96 | 1902 | 1826 | 405.8 |
| B | 0 | 199 | 719683 | 1768.94 | 1902 | 1826 | 405.8 |
| B | 10 | 16 | 577759 | 1419.21 | 1902 | 1826 | 405.8 |
| C | 15 | 198 | 12838259 | 26876.48 | 1767 | 1751 | 477.6 |
| C | 13 | 3 | 1171223 | 2448.59 | 1767 | 1751 | 477.6 |
| C | 14 | 246 | 266864 | 555.08 | 1767 | 1751 | 477.6 |
| D | 12 | 33 | 14738852 | 33127.1 | 1584 | 1511 | 444.9 |
| D | 15 | 142 | 3450838 | 7753.52 | 1584 | 1511 | 444.9 |
| D | 2 | 249 | 377241 | 844.58 | 1584 | 1511 | 444.9 |
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 |  |