Observation information
- date-obs: 2023-01-21
- time-obs: 12:30:15.651000000
- date-end: 2023-01-21
- time-end: 14:30:55.649800000
- obs_id: A12_018T01_9000005488
- exposure: 3819.10631204
- sourceid: NEP
- observer: kanak
- ra_pnt: 260.6996
- dec_pnt: 65.82265
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A12_018T01_9000005488_39558cztM0_level2.fits
| modeM0/AS1A12_018T01_9000005488_39558cztM0_level2_quad_clean.evt
|
| Size (bytes) | 568,978,560 | 85,662,720 |
| Size | 542.6 MB
| 81.7 MB
|
| Events in quadrant A | 9,417,520 | 437,458 |
| Events in quadrant B | 2,420,866 | 638,545 |
| Events in quadrant C | 4,394,321 | 588,998 |
| Events in quadrant D | 4,401,764 | 542,827 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 112 | 0 |
| B | 0 | 112 | 0 |
| C | 0 | 112 | 0 |
| D | 0 | 112 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 31862 | 3 |
| B | 0 | 11123 | 2 |
| C | 0 | 16702 | 2 |
| D | 0 | 16738 | 2 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 17 | 0 |
| B | 0 | 17 | 0 |
| C | 0 | 17 | 0 |
| D | 0 | 18 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 5515 | 2109 | 38.241160% |
| B | 5515 | 6 | 0.108794% |
| C | 5515 | 163 | 2.955576% |
| D | 5515 | 267 | 4.841342% |
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 | 7218 | 5516 | 1874 | 1874 | 25.96% | 33.97% |  |
| B | 7218 | 5516 | 2 | 2 | 0.03% | 0.04% |  |
| C | 7218 | 5516 | 162 | 162 | 2.24% | 2.94% |  |
| D | 7218 | 5516 | 266 | 266 | 3.69% | 4.82% |  |
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 | 222 | 6820071 | 61425.33 | 544 | 533 | 111.0 |
| A | 10 | 83 | 415517 | 3737.87 | 544 | 533 | 111.0 |
| A | 13 | 248 | 29558 | 261.44 | 544 | 533 | 111.0 |
| B | 5 | 255 | 22280 | 189.0 | 598 | 581 | 114.8 |
| B | 12 | 111 | 14358 | 120.0 | 598 | 581 | 114.8 |
| B | 0 | 230 | 13388 | 111.55 | 598 | 581 | 114.8 |
| C | 9 | 187 | 1367499 | 10003.22 | 583 | 587 | 136.6 |
| C | 15 | 208 | 483377 | 3533.11 | 583 | 587 | 136.6 |
| C | 15 | 214 | 230230 | 1680.55 | 583 | 587 | 136.6 |
| D | 12 | 227 | 1039119 | 7295.01 | 582 | 565 | 142.4 |
| D | 1 | 52 | 815191 | 5722.1 | 582 | 565 | 142.4 |
| D | 12 | 0 | 152825 | 1069.5 | 582 | 565 | 142.4 |
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 |  |