Observation information
- date-obs: 2025-10-09
- time-obs: 12:29:43.243400000
- date-end: 2025-10-09
- time-end: 14:30:23.227000000
- obs_id: A14_126T15_9000006516
- exposure: 5701.78622127
- 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_54272cztM0_level2.fits
| modeM0/AS1A14_126T15_9000006516_54272cztM0_level2_quad_clean.evt
|
| Size (bytes) | 476,884,800 | 93,133,440 |
| Size | 454.8 MB
| 88.8 MB
|
| Events in quadrant A | 2,990,908 | 630,207 |
| Events in quadrant B | 3,920,584 | 657,153 |
| Events in quadrant C | 3,334,625 | 585,982 |
| Events in quadrant D | 6,888,469 | 482,032 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 136 | 0 |
| B | 0 | 136 | 0 |
| C | 0 | 136 | 0 |
| D | 0 | 136 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 13898 | 1 |
| B | 0 | 16326 | 1 |
| C | 0 | 15102 | 1 |
| D | 0 | 25075 | 1 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 6 | 0 |
| B | 0 | 6 | 0 |
| C | 0 | 6 | 0 |
| D | 0 | 6 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6660 | 97 | 1.456456% |
| B | 6661 | 301 | 4.518841% |
| C | 6661 | 168 | 2.522144% |
| D | 6661 | 1124 | 16.874343% |
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 | 7240 | 6661 | 10 | 10 | 0.14% | 0.15% |  |
| B | 7241 | 6662 | 185 | 185 | 2.55% | 2.78% |  |
| C | 7241 | 6663 | 70 | 70 | 0.97% | 1.05% |  |
| D | 7241 | 6662 | 1016 | 1016 | 14.03% | 15.25% |  |
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 | 15 | 174 | 50380 | 290.24 | 696 | 680 | 171.2 |
| A | 11 | 3 | 46333 | 266.6 | 696 | 680 | 171.2 |
| A | 10 | 253 | 40614 | 233.2 | 696 | 680 | 171.2 |
| B | 5 | 236 | 405881 | 2824.25 | 676 | 653 | 143.5 |
| B | 0 | 213 | 258260 | 1795.4 | 676 | 653 | 143.5 |
| B | 5 | 185 | 250781 | 1743.27 | 676 | 653 | 143.5 |
| C | 1 | 29 | 267511 | 1462.28 | 670 | 663 | 182.5 |
| C | 12 | 252 | 146849 | 801.07 | 670 | 663 | 182.5 |
| C | 14 | 254 | 124907 | 680.83 | 670 | 663 | 182.5 |
| D | 8 | 176 | 3186101 | 18018.23 | 626 | 598 | 176.8 |
| D | 3 | 12 | 700644 | 3959.69 | 626 | 598 | 176.8 |
| D | 10 | 181 | 177737 | 1001.96 | 626 | 598 | 176.8 |
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 |  |