Observation information
- date-obs: 2023-01-25
- time-obs: 13:55:15.596300000
- date-end: 2023-01-25
- time-end: 16:00:25.595100000
- obs_id: A12_018T01_9000005488
- exposure: 4698.9074713
- 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_39619cztM0_level2.fits
| modeM0/AS1A12_018T01_9000005488_39619cztM0_level2_quad_clean.evt
|
| Size (bytes) | 397,776,960 | 96,667,200 |
| Size | 379.3 MB
| 92.2 MB
|
| Events in quadrant A | 2,984,348 | 679,852 |
| Events in quadrant B | 2,605,817 | 685,024 |
| Events in quadrant C | 5,744,830 | 588,337 |
| Events in quadrant D | 2,979,118 | 604,532 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 108 | 0 |
| B | 0 | 108 | 0 |
| C | 0 | 108 | 0 |
| D | 0 | 108 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 12303 | 3 |
| B | 0 | 11158 | 2 |
| C | 0 | 20619 | 2 |
| D | 0 | 12446 | 2 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 22 | 0 |
| B | 0 | 22 | 0 |
| C | 0 | 22 | 0 |
| D | 0 | 23 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 5276 | 16 | 0.303260% |
| B | 5276 | 26 | 0.492798% |
| C | 5276 | 678 | 12.850644% |
| D | 5276 | 70 | 1.326763% |
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 | 7249 | 5277 | 9 | 9 | 0.12% | 0.17% |  |
| B | 7249 | 5277 | 16 | 16 | 0.22% | 0.30% |  |
| C | 7249 | 5277 | 653 | 653 | 9.01% | 12.37% |  |
| D | 7249 | 5277 | 64 | 64 | 0.88% | 1.21% |  |
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 | 465527 | 3701.69 | 620 | 610 | 125.6 |
| A | 15 | 222 | 59709 | 470.55 | 620 | 610 | 125.6 |
| A | 0 | 8 | 42532 | 333.79 | 620 | 610 | 125.6 |
| B | 5 | 255 | 135927 | 1168.15 | 614 | 599 | 115.8 |
| B | 5 | 172 | 38718 | 329.04 | 614 | 599 | 115.8 |
| B | 0 | 213 | 17109 | 142.51 | 614 | 599 | 115.8 |
| C | 9 | 187 | 2549913 | 18590.75 | 591 | 594 | 137.1 |
| C | 15 | 208 | 634677 | 4624.01 | 591 | 594 | 137.1 |
| C | 15 | 214 | 214797 | 1562.06 | 591 | 594 | 137.1 |
| D | 2 | 249 | 168707 | 1139.57 | 610 | 596 | 147.5 |
| D | 12 | 227 | 134508 | 907.75 | 610 | 596 | 147.5 |
| D | 12 | 233 | 74415 | 500.4 | 610 | 596 | 147.5 |
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 |  |