Observation information
- date-obs: 2025-10-12
- time-obs: 21:18:45.531100000
- date-end: 2025-10-13
- time-end: 00:06:34.493400000
- obs_id: A14_126T15_9000006516
- exposure: 4132.07540786
- sourceid: FBS1133+754
- observer: sharmila
- ra_pnt: 174.1395
- dec_pnt: 75.11491
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A14_126T15_9000006516_54322cztM0_level2.fits
| modeM0/AS1A14_126T15_9000006516_54322cztM0_level2_quad_clean.evt
|
| Size (bytes) | 772,176,960 | 98,668,800 |
| Size | 736.4 MB
| 94.1 MB
|
| Events in quadrant A | 4,191,577 | 720,289 |
| Events in quadrant B | 3,586,253 | 774,239 |
| Events in quadrant C | 6,383,707 | 609,337 |
| Events in quadrant D | 13,826,014 | 348,945 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 160 | 2 |
| B | 0 | 158 | 0 |
| C | 0 | 165 | 7 |
| D | 0 | 159 | 1 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 18379 | 364 |
| B | 0 | 16593 | 332 |
| C | 0 | 24867 | 328 |
| D | 0 | 46980 | 606 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 14 | 0 |
| B | 0 | 17 | 3 |
| C | 0 | 14 | 0 |
| D | 0 | 16 | 2 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 7684 | 214 | 2.785008% |
| B | 7686 | 50 | 0.650533% |
| C | 7683 | 1106 | 14.395418% |
| D | 7678 | 3825 | 49.817661% |
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 | 10067 | 7692 | 145 | 145 | 1.44% | 1.89% |  |
| B | 9043 | 7693 | 7 | 7 | 0.08% | 0.09% |  |
| C | 9044 | 7690 | 970 | 970 | 10.73% | 12.61% |  |
| D | 9039 | 7685 | 3327 | 3327 | 36.81% | 43.29% |  |
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 | 29 | 571499 | 2817.88 | 813 | 792 | 202.5 |
| A | 0 | 8 | 214376 | 1054.57 | 813 | 792 | 202.5 |
| A | 11 | 3 | 94312 | 461.76 | 813 | 792 | 202.5 |
| B | 0 | 213 | 107598 | 613.04 | 812 | 780 | 174.2 |
| B | 0 | 171 | 62395 | 353.62 | 812 | 780 | 174.2 |
| B | 10 | 247 | 47130 | 266.01 | 812 | 780 | 174.2 |
| C | 1 | 241 | 2729894 | 13292.2 | 748 | 741 | 205.3 |
| C | 14 | 254 | 221173 | 1073.6 | 748 | 741 | 205.3 |
| C | 15 | 157 | 95162 | 459.87 | 748 | 741 | 205.3 |
| D | 8 | 176 | 4537763 | 27082.6 | 583 | 556 | 167.5 |
| D | 15 | 108 | 4367529 | 26066.47 | 583 | 556 | 167.5 |
| D | 2 | 172 | 2032643 | 12129.53 | 583 | 556 | 167.5 |
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 |  |