Observation information
- date-obs: 2025-10-13
- time-obs: 06:42:53.429900000
- date-end: 2025-10-13
- time-end: 08:41:57.411500000
- obs_id: A14_126T15_9000006516
- exposure: 4107.02936471
- 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_54328cztM0_level2.fits
| modeM0/AS1A14_126T15_9000006516_54328cztM0_level2_quad_clean.evt
|
| Size (bytes) | 602,988,480 | 79,047,360 |
| Size | 575.1 MB
| 75.4 MB
|
| Events in quadrant A | 2,716,275 | 601,408 |
| Events in quadrant B | 3,284,302 | 609,183 |
| Events in quadrant C | 7,272,933 | 398,494 |
| Events in quadrant D | 8,580,152 | 364,452 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 122 | 0 |
| B | 0 | 122 | 0 |
| C | 0 | 122 | 0 |
| D | 0 | 122 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 12464 | 1 |
| B | 0 | 14167 | 1 |
| C | 0 | 26003 | 1 |
| D | 0 | 29645 | 1 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 12 | 0 |
| B | 0 | 12 | 0 |
| C | 0 | 12 | 0 |
| D | 0 | 12 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6009 | 22 | 0.366117% |
| B | 6010 | 298 | 4.958403% |
| C | 6010 | 1832 | 30.482529% |
| D | 6010 | 2068 | 34.409318% |
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 | 7144 | 6010 | 2 | 2 | 0.03% | 0.03% |  |
| B | 7145 | 6010 | 160 | 160 | 2.24% | 2.66% |  |
| C | 7145 | 6011 | 1736 | 1736 | 24.30% | 28.88% |  |
| D | 7145 | 6011 | 1960 | 1960 | 27.43% | 32.61% |  |
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 | 88582 | 556.63 | 642 | 627 | 158.0 |
| A | 5 | 243 | 49891 | 311.77 | 642 | 627 | 158.0 |
| A | 4 | 3 | 25280 | 156.02 | 642 | 627 | 158.0 |
| B | 2 | 249 | 510927 | 3900.61 | 607 | 585 | 130.8 |
| B | 0 | 171 | 237961 | 1814.3 | 607 | 585 | 130.8 |
| B | 10 | 247 | 57162 | 432.43 | 607 | 585 | 130.8 |
| C | 1 | 241 | 4709496 | 32887.65 | 518 | 512 | 143.2 |
| C | 13 | 3 | 274214 | 1911.54 | 518 | 512 | 143.2 |
| C | 1 | 16 | 157213 | 1094.4 | 518 | 512 | 143.2 |
| D | 15 | 108 | 3764274 | 26630.53 | 502 | 479 | 141.3 |
| D | 8 | 176 | 2410314 | 17050.66 | 502 | 479 | 141.3 |
| D | 2 | 120 | 124571 | 878.0 | 502 | 479 | 141.3 |
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 |  |