Observation information
- date-obs: 2024-12-10
- time-obs: 05:56:25.956700000
- date-end: 2024-12-10
- time-end: 07:58:54.932200000
- obs_id: A13_037T01_9000006440
- exposure: 107.019969106
- 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_49768cztM0_level2.fits
| modeM0/AS1A13_037T01_9000006440_49768cztM0_level2_quad_clean.evt
|
| Size (bytes) | 1,183,996,800 | 41,512,320 |
| Size | 1.1 GB
| 39.6 MB
|
| Events in quadrant A | 14,511,826 | 128,948 |
| Events in quadrant B | 4,452,976 | 651,565 |
| Events in quadrant C | 9,625,357 | 28,496 |
| Events in quadrant D | 14,752,608 | 10,649 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 11 | 0 |
| B | 0 | 11 | 0 |
| C | 0 | 11 | 0 |
| D | 0 | 11 | 0 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 126 | 0 |
| B | 0 | 126 | 0 |
| C | 0 | 126 | 0 |
| D | 0 | 126 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 47379 | 18 |
| B | 0 | 17429 | 23 |
| C | 0 | 32992 | 28 |
| D | 0 | 48137 | 32 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6266 | 5377 | 85.812320% |
| B | 6263 | 413 | 6.594284% |
| C | 6264 | 6027 | 96.216475% |
| D | 6265 | 6186 | 98.739026% |
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 | 7348 | 6269 | 5610 | 5610 | 76.35% | 89.49% |  |
| B | 7348 | 6267 | 230 | 230 | 3.13% | 3.67% |  |
| C | 7348 | 6267 | 1621 | 1621 | 22.06% | 25.87% |  |
| D | 7349 | 6270 | 5255 | 5255 | 71.51% | 83.81% |  |
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 | 10 | 83 | 7335672 | 49154.44 | 531 | 514 | 149.2 |
| A | 7 | 64 | 2031840 | 13612.34 | 531 | 514 | 149.2 |
| A | 15 | 63 | 513428 | 3437.14 | 531 | 514 | 149.2 |
| B | 10 | 28 | 648946 | 4383.84 | 691 | 669 | 147.9 |
| B | 1 | 207 | 342514 | 2311.66 | 691 | 669 | 147.9 |
| B | 5 | 185 | 130946 | 880.97 | 691 | 669 | 147.9 |
| C | 15 | 180 | 2985538 | 83245.5 | 105 | 103 | 35.9 |
| C | 15 | 190 | 2353763 | 65629.17 | 105 | 103 | 35.9 |
| C | 15 | 163 | 1026219 | 28612.09 | 105 | 103 | 35.9 |
| D | 15 | 142 | 3668588 | 47539.62 | 218 | 207 | 77.2 |
| D | 7 | 61 | 3180457 | 41213.78 | 218 | 207 | 77.2 |
| D | 15 | 40 | 1032290 | 13375.06 | 218 | 207 | 77.2 |
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 |  |