Observation information
- date-obs: 2023-10-13
- time-obs: 19:23:27.113500000
- date-end: 2023-10-13
- time-end: 21:39:25.111300000
- obs_id: A12_018T01_9000005874
- exposure: 4523.62536746
- 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_9000005874_43489cztM0_level2.fits
| modeM0/AS1A12_018T01_9000005874_43489cztM0_level2_quad_clean.evt
|
| Size (bytes) | 325,128,960 | 83,059,200 |
| Size | 310.1 MB
| 79.2 MB
|
| Events in quadrant A | 2,848,272 | 558,391 |
| Events in quadrant B | 2,628,417 | 575,580 |
| Events in quadrant C | 2,317,484 | 559,204 |
| Events in quadrant D | 3,867,467 | 485,306 |
Level1 data integrity
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 11477 | 2 |
| B | 0 | 10962 | 5 |
| C | 0 | 9884 | 2 |
| D | 0 | 14872 | 2 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 33 | 0 |
| B | 0 | 34 | 0 |
| C | 0 | 34 | 0 |
| D | 0 | 34 | 0 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 98 | 0 |
| B | 0 | 98 | 0 |
| C | 0 | 98 | 0 |
| D | 0 | 98 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 4797 | 31 | 0.646237% |
| B | 4796 | 65 | 1.355296% |
| C | 4796 | 9 | 0.187656% |
| D | 4796 | 275 | 5.733945% |
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 | 6950 | 4798 | 28 | 28 | 0.40% | 0.58% |  |
| B | 6949 | 4797 | 59 | 59 | 0.85% | 1.23% |  |
| C | 6949 | 4797 | 6 | 6 | 0.09% | 0.13% |  |
| D | 6949 | 4797 | 271 | 271 | 3.90% | 5.65% |  |
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 | 551335 | 5198.61 | 516 | 506 | 106.0 |
| A | 7 | 3 | 176041 | 1656.66 | 516 | 506 | 106.0 |
| A | 15 | 237 | 73858 | 692.28 | 516 | 506 | 106.0 |
| B | 0 | 189 | 226712 | 2289.82 | 521 | 507 | 98.8 |
| B | 5 | 255 | 157123 | 1585.38 | 521 | 507 | 98.8 |
| B | 0 | 245 | 89323 | 899.06 | 521 | 507 | 98.8 |
| C | 15 | 214 | 196507 | 1630.2 | 518 | 522 | 120.2 |
| C | 3 | 233 | 98459 | 814.64 | 518 | 522 | 120.2 |
| C | 12 | 2 | 3792 | 27.2 | 518 | 522 | 120.2 |
| D | 2 | 16 | 675249 | 5613.43 | 495 | 480 | 120.2 |
| D | 1 | 52 | 651719 | 5417.69 | 495 | 480 | 120.2 |
| D | 12 | 233 | 155301 | 1287.96 | 495 | 480 | 120.2 |
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 |  |