Observation information
- date-obs: 2023-11-09
- time-obs: 21:26:37.965800000
- date-end: 2023-11-10
- time-end: 01:52:05.935500000
- obs_id: A13_073T04_9000005912
- exposure: 4839.05636311
- sourceid: M31 Field 1
- observer: Judhajeet
- ra_pnt: 10.71042
- dec_pnt: 41.25023
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A13_073T04_9000005912cztM0_level2.fits
| modeM0/AS1A13_073T04_9000005912cztM0_level2_quad_clean.evt
|
| Size (bytes) | 110,952,000 | 89,328,960 |
| Size | 105.8 MB
| 85.2 MB
|
| Events in quadrant A | 600,798 | 430,228 |
| Events in quadrant B | 648,534 | 501,627 |
| Events in quadrant C | 671,742 | 484,133 |
| Events in quadrant D | 544,822 | 395,616 |
Level1 data integrity
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 53473 | 0 |
| B | 0 | 29888 | 0 |
| C | 0 | 27169 | 0 |
| D | 0 | 40186 | 0 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 30 | 0 |
| B | 0 | 30 | 0 |
| C | 0 | 30 | 0 |
| D | 0 | 30 | 0 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 264 | 0 |
| B | 0 | 264 | 0 |
| C | 0 | 264 | 0 |
| D | 0 | 264 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 12914 | 2648 | 20.504878% |
| B | 12914 | 347 | 2.687006% |
| C | 12914 | 66 | 0.511073% |
| D | 12914 | 1216 | 9.416138% |
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 | 15929 | 12890 | 0 | 0 | 0.00% | 0.00% |  |
| B | 15929 | 12912 | 0 | 0 | 0.00% | 0.00% |  |
| C | 15929 | 12914 | 0 | 0 | 0.00% | 0.00% |  |
| D | 15928 | 12828 | 0 | 0 | 0.00% | 0.00% |  |
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 | 14 | 237 | 658 | 12.21 | 156 | 147 | 41.9 |
| A | 14 | 238 | 617 | 11.23 | 156 | 147 | 41.9 |
| A | 7 | 110 | 502 | 8.48 | 156 | 147 | 41.9 |
| B | 2 | 9 | 582 | 11.72 | 171 | 163 | 35.8 |
| B | 2 | 8 | 472 | 8.64 | 171 | 163 | 35.8 |
| B | 5 | 128 | 459 | 8.28 | 171 | 163 | 35.8 |
| C | 1 | 81 | 563 | 8.34 | 178 | 167 | 47.5 |
| C | 1 | 80 | 525 | 7.54 | 178 | 167 | 47.5 |
| C | 1 | 65 | 457 | 6.11 | 178 | 167 | 47.5 |
| D | 3 | 14 | 416 | 6.12 | 156 | 143 | 44.6 |
| D | 15 | 46 | 410 | 5.99 | 156 | 143 | 44.6 |
| D | 10 | 189 | 404 | 5.85 | 156 | 143 | 44.6 |
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 |  |