Observation information
- date-obs: 2021-08-24
- time-obs: 16:15:18.050300000
- date-end: 2021-08-24
- time-end: 18:17:50.005400000
- obs_id: C06_010T03_9000004658
- exposure: 5483.64948316
- sourceid: NGC 188
- observer: annapurni
- ra_pnt: 12.08
- dec_pnt: 85.15722
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1C06_010T03_9000004658_31936cztM0_level2.evt
| modeM0/AS1C06_010T03_9000004658_31936cztM0_level2_quad_clean.evt
|
| Size (bytes) | 760,406,400 | 106,191,360 |
| Size | 725.2 MB
| 101.3 MB
|
| Events in quadrant A | 3,286,244 | 764,299 |
| Events in quadrant B | 6,609,566 | 715,135 |
| Events in quadrant C | 5,540,345 | 697,524 |
| Events in quadrant D | 7,205,880 | 636,178 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 126 | 6 |
| B | 0 | 125 | 5 |
| C | 0 | 124 | 4 |
| D | 0 | 127 | 7 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 4 | 0 |
| B | 0 | 4 | 0 |
| C | 0 | 4 | 0 |
| D | 0 | 6 | 2 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 14362 | 908 |
| B | 0 | 24772 | 1263 |
| C | 0 | 22045 | 1463 |
| D | 0 | 28353 | 3083 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 5750 | 44 | 0.765217% |
| B | 5739 | 917 | 15.978393% |
| C | 5726 | 764 | 13.342648% |
| D | 5714 | 1597 | 27.948897% |
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 | 7353 | 5782 | 20 | 20 | 0.27% | 0.35% |  |
| B | 7353 | 5768 | 590 | 590 | 8.02% | 10.23% |  |
| C | 7353 | 5746 | 172 | 172 | 2.34% | 2.99% |  |
| D | 7352 | 5717 | 1377 | 1377 | 18.73% | 24.09% |  |
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 | 12 | 96 | 589955 | 4239.69 | 695 | 682 | 139.0 |
| A | 13 | 254 | 10918 | 73.65 | 695 | 682 | 139.0 |
| A | 13 | 6 | 8184 | 53.98 | 695 | 682 | 139.0 |
| B | 5 | 255 | 2162587 | 17600.76 | 654 | 639 | 122.8 |
| B | 6 | 159 | 1644962 | 13386.69 | 654 | 639 | 122.8 |
| B | 5 | 172 | 115658 | 936.39 | 654 | 639 | 122.8 |
| C | 3 | 233 | 2762332 | 18423.84 | 640 | 643 | 149.9 |
| C | 0 | 10 | 127495 | 846.26 | 640 | 643 | 149.9 |
| C | 14 | 238 | 107323 | 711.69 | 640 | 643 | 149.9 |
| D | 12 | 33 | 2795741 | 19381.06 | 603 | 586 | 144.2 |
| D | 8 | 195 | 941182 | 6521.91 | 603 | 586 | 144.2 |
| D | 13 | 249 | 753287 | 5219.08 | 603 | 586 | 144.2 |
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 |  |