Observation information
- date-obs: 2024-12-11
- time-obs: 09:44:24.710700000
- date-end: 2024-12-11
- time-end: 11:45:26.612100000
- obs_id: A13_037T01_9000006440
- exposure: 71.1084316969
- sourceid: Cygnus X-2
- observer: ranjeev
- ra_pnt: 326.1714
- dec_pnt: 38.32141
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A13_037T01_9000006440_49785cztM0_level2.fits
| modeM0/AS1A13_037T01_9000006440_49785cztM0_level2_quad_clean.evt
|
| Size (bytes) | 1,056,962,880 | 56,496,960 |
| Size | 1008.0 MB
| 53.9 MB
|
| Events in quadrant A | 8,650,578 | 500,690 |
| Events in quadrant B | 4,536,857 | 700,133 |
| Events in quadrant C | 8,381,827 | 6,339 |
| Events in quadrant D | 17,001,882 | 8,013 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 2 | 0 |
| B | 0 | 2 | 0 |
| C | 0 | 2 | 0 |
| D | 0 | 2 | 0 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 144 | 0 |
| B | 0 | 144 | 0 |
| C | 0 | 144 | 0 |
| D | 0 | 144 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 30598 | 1 |
| B | 0 | 18434 | 1 |
| C | 0 | 29580 | 4 |
| D | 0 | 55356 | 1 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 7118 | 1991 | 27.971340% |
| B | 7118 | 466 | 6.546783% |
| C | 7117 | 7063 | 99.241253% |
| D | 7117 | 7045 | 98.988338% |
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 | 7263 | 7120 | 1442 | 1442 | 19.85% | 20.25% |  |
| B | 7263 | 7120 | 157 | 157 | 2.16% | 2.21% |  |
| C | 7261 | 7117 | 2094 | 2094 | 28.84% | 29.42% |  |
| D | 7261 | 7116 | 5989 | 5989 | 82.48% | 84.16% |  |
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 | 7 | 64 | 1540582 | 9043.0 | 687 | 670 | 170.3 |
| A | 3 | 99 | 1087627 | 6383.06 | 687 | 670 | 170.3 |
| A | 15 | 63 | 740128 | 4342.4 | 687 | 670 | 170.3 |
| B | 4 | 206 | 295377 | 1777.57 | 778 | 753 | 165.7 |
| B | 4 | 171 | 259993 | 1564.08 | 778 | 753 | 165.7 |
| B | 5 | 172 | 171594 | 1030.74 | 778 | 753 | 165.7 |
| C | 15 | 147 | 2534982 | 81365.43 | 82 | 80 | 31.2 |
| C | 15 | 198 | 1621239 | 52036.06 | 82 | 80 | 31.2 |
| C | 15 | 148 | 1076812 | 34561.01 | 82 | 80 | 31.2 |
| D | 8 | 129 | 4562566 | 74458.65 | 167 | 158 | 61.3 |
| D | 15 | 106 | 4078070 | 66551.66 | 167 | 158 | 61.3 |
| D | 15 | 142 | 3742045 | 61067.72 | 167 | 158 | 61.3 |
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 |  |