Observation information
- date-obs: 2018-09-21
- time-obs: 20:50:22.049300000
- date-end: 2018-09-21
- time-end: 22:41:31.000300000
- obs_id: C03_015T04_9000002382
- exposure: 5859.74406657
- sourceid: NGC 188
- observer: annapurni
- ra_pnt: 12.08
- dec_pnt: 85.22392
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1C03_015T04_9000002382_16130cztM0_level2.evt
| modeM0/AS1C03_015T04_9000002382_16130cztM0_level2_quad_clean.evt
|
| Size (bytes) | 406,373,760 | 107,161,920 |
| Size | 387.5 MB
| 102.2 MB
|
| Events in quadrant A | 3,192,835 | 713,322 |
| Events in quadrant B | 3,198,350 | 725,568 |
| Events in quadrant C | 2,719,144 | 700,190 |
| Events in quadrant D | 2,795,131 | 693,980 |
Level1 data integrity
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 13719 | 1 |
| B | 0 | 13472 | 1 |
| C | 0 | 12122 | 1 |
| D | 0 | 12791 | 1 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 8 | 0 |
| B | 0 | 8 | 0 |
| C | 0 | 8 | 0 |
| D | 0 | 8 | 0 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 122 | 0 |
| B | 0 | 122 | 0 |
| C | 0 | 122 | 0 |
| D | 0 | 122 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 5903 | 127 | 2.151448% |
| B | 5903 | 85 | 1.439946% |
| C | 5903 | 35 | 0.592919% |
| D | 5903 | 52 | 0.880908% |
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 | 6293 | 5903 | 68 | 68 | 1.08% | 1.15% |  |
| B | 6293 | 5903 | 13 | 13 | 0.21% | 0.22% |  |
| C | 6293 | 5904 | 1 | 1 | 0.02% | 0.02% |  |
| D | 6293 | 5903 | 25 | 25 | 0.40% | 0.42% |  |
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 | 15 | 174 | 558456 | 4045.32 | 675 | 658 | 137.9 |
| A | 9 | 143 | 14461 | 100.1 | 675 | 658 | 137.9 |
| A | 8 | 247 | 10680 | 72.68 | 675 | 658 | 137.9 |
| B | 5 | 65 | 363575 | 2811.61 | 678 | 660 | 129.1 |
| B | 0 | 189 | 44208 | 337.38 | 678 | 660 | 129.1 |
| B | 4 | 216 | 35252 | 267.99 | 678 | 660 | 129.1 |
| C | 14 | 238 | 98528 | 641.16 | 652 | 655 | 152.7 |
| C | 3 | 233 | 27119 | 173.36 | 652 | 655 | 152.7 |
| C | 3 | 9 | 20687 | 131.23 | 652 | 655 | 152.7 |
| D | 1 | 52 | 190361 | 1174.84 | 660 | 639 | 161.5 |
| D | 10 | 70 | 62303 | 381.85 | 660 | 639 | 161.5 |
| D | 2 | 234 | 27358 | 165.46 | 660 | 639 | 161.5 |
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 |  |