Observation information
- date-obs: 2023-10-31
- time-obs: 20:46:16.727800000
- date-end: 2023-11-01
- time-end: 02:20:50.707300000
- obs_id: A13_026T01_9000005904
- exposure: 15112.3910612
- sourceid: ZTFJ1921-1003
- observer: kunaldes
- ra_pnt: 290.2888
- dec_pnt: -10.06307
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A13_026T01_9000005904_43758cztM0_level2.fits
| modeM0/AS1A13_026T01_9000005904_43758cztM0_level2_quad_clean.evt
|
| Size (bytes) | 1,568,741,760 | 277,600,320 |
| Size | 1.5 GB
| 264.7 MB
|
| Events in quadrant A | 13,579,509 | 1,887,728 |
| Events in quadrant B | 11,424,510 | 1,946,431 |
| Events in quadrant C | 11,669,286 | 1,893,060 |
| Events in quadrant D | 19,977,368 | 1,409,908 |
Level1 data integrity
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 52689 | 3 |
| B | 0 | 46285 | 3 |
| C | 0 | 47432 | 3 |
| D | 0 | 72029 | 4 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 374 | 0 |
| B | 0 | 374 | 0 |
| C | 0 | 374 | 0 |
| D | 0 | 374 | 0 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 16 | 0 |
| B | 0 | 16 | 0 |
| C | 0 | 16 | 0 |
| D | 0 | 16 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 18380 | 676 | 3.677911% |
| B | 18380 | 819 | 4.455930% |
| C | 18380 | 602 | 3.275299% |
| D | 18379 | 3708 | 20.175200% |
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 | 20075 | 18384 | 349 | 349 | 1.74% | 1.90% |  |
| B | 20075 | 18384 | 377 | 377 | 1.88% | 2.05% |  |
| C | 20075 | 18384 | 421 | 421 | 2.10% | 2.29% |  |
| D | 20074 | 18382 | 2650 | 2650 | 13.20% | 14.42% |  |
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 | 10 | 83 | 2471373 | 5800.95 | 2054 | 2009 | 425.7 |
| A | 14 | 63 | 1698786 | 3986.01 | 2054 | 2009 | 425.7 |
| A | 13 | 248 | 826240 | 1936.26 | 2054 | 2009 | 425.7 |
| B | 0 | 200 | 1139113 | 2848.03 | 2046 | 1984 | 399.3 |
| B | 4 | 80 | 687659 | 1717.33 | 2046 | 1984 | 399.3 |
| B | 5 | 255 | 412408 | 1027.94 | 2046 | 1984 | 399.3 |
| C | 15 | 158 | 2287821 | 4792.13 | 2021 | 2029 | 477.0 |
| C | 15 | 174 | 649133 | 1356.64 | 2021 | 2029 | 477.0 |
| C | 14 | 254 | 352738 | 735.26 | 2021 | 2029 | 477.0 |
| D | 5 | 235 | 3321590 | 6925.29 | 1826 | 1763 | 479.4 |
| D | 4 | 212 | 1334262 | 2779.65 | 1826 | 1763 | 479.4 |
| D | 1 | 52 | 1157887 | 2411.72 | 1826 | 1763 | 479.4 |
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 |  |