Observation information
- date-obs: 2025-10-15
- time-obs: 08:58:55.960600000
- date-end: 2025-10-15
- time-end: 11:01:27.942000000
- obs_id: A14_126T15_9000006516
- exposure: 2406.39871252
- 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_54359cztM0_level2.fits
| modeM0/AS1A14_126T15_9000006516_54359cztM0_level2_quad_clean.evt
|
| Size (bytes) | 710,196,480 | 81,230,400 |
| Size | 677.3 MB
| 77.5 MB
|
| Events in quadrant A | 2,906,052 | 631,620 |
| Events in quadrant B | 2,925,303 | 676,938 |
| Events in quadrant C | 7,541,304 | 476,507 |
| Events in quadrant D | 12,401,384 | 212,358 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 134 | 0 |
| B | 0 | 134 | 0 |
| C | 0 | 134 | 0 |
| D | 0 | 134 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 13719 | 1 |
| B | 0 | 13862 | 1 |
| C | 0 | 27046 | 1 |
| D | 0 | 41421 | 1 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 7 | 0 |
| B | 0 | 7 | 0 |
| C | 0 | 7 | 0 |
| D | 0 | 7 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6627 | 65 | 0.980836% |
| B | 6628 | 67 | 1.010863% |
| C | 6628 | 1450 | 21.876886% |
| D | 6628 | 4389 | 66.219071% |
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 | 7352 | 6628 | 4 | 4 | 0.05% | 0.06% |  |
| B | 7353 | 6629 | 11 | 11 | 0.15% | 0.17% |  |
| C | 7353 | 6629 | 1395 | 1395 | 18.97% | 21.04% |  |
| D | 7353 | 6629 | 3612 | 3612 | 49.12% | 54.49% |  |
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 | 206 | 56808 | 324.8 | 699 | 680 | 172.8 |
| A | 15 | 174 | 53417 | 305.18 | 699 | 680 | 172.8 |
| A | 8 | 246 | 30244 | 171.08 | 699 | 680 | 172.8 |
| B | 0 | 213 | 86104 | 583.57 | 683 | 657 | 146.4 |
| B | 10 | 247 | 39929 | 268.21 | 683 | 657 | 146.4 |
| B | 5 | 172 | 17911 | 117.84 | 683 | 657 | 146.4 |
| C | 1 | 241 | 1762194 | 10689.3 | 597 | 590 | 164.8 |
| C | 1 | 29 | 1503391 | 9118.9 | 597 | 590 | 164.8 |
| C | 2 | 255 | 678819 | 4115.45 | 597 | 590 | 164.8 |
| D | 8 | 176 | 9468591 | 95008.4 | 353 | 337 | 99.7 |
| D | 15 | 108 | 816732 | 8192.05 | 353 | 337 | 99.7 |
| D | 12 | 3 | 404164 | 4052.17 | 353 | 337 | 99.7 |
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 |  |