Observation information
- date-obs: 2017-10-27
- time-obs: 12:06:56.663600000
- date-end: 2017-10-27
- time-end: 13:04:33.682100000
- obs_id: C03_012T01_9000001642
- exposure: 1122.74029927
- sourceid: Crab offset
- observer: arrao
- ra_pnt: 83.633
- dec_pnt: 21.0145
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1C03_012T01_9000001642_11254cztM0_level2.evt
| modeM0/AS1C03_012T01_9000001642_11254cztM0_level2_quad_clean.evt
|
| Size (bytes) | 252,918,720 | 27,005,760 |
| Size | 241.2 MB
| 25.8 MB
|
| Events in quadrant A | 1,530,521 | 161,544 |
| Events in quadrant B | 1,908,031 | 160,786 |
| Events in quadrant C | 1,305,275 | 156,955 |
| Events in quadrant D | 2,730,898 | 144,817 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 54 | 0 |
| B | 0 | 54 | 0 |
| C | 0 | 54 | 0 |
| D | 0 | 54 | 0 |
| 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 M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 6111 | 2 |
| B | 0 | 7365 | 1 |
| C | 0 | 5562 | 1 |
| D | 0 | 10044 | 1 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 2702 | 67 | 2.479645% |
| B | 2702 | 199 | 7.364915% |
| C | 2702 | 42 | 1.554404% |
| D | 2702 | 538 | 19.911177% |
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 | 3457 | 2703 | 14 | 14 | 0.40% | 0.52% |  |
| B | 3457 | 2703 | 77 | 77 | 2.23% | 2.85% |  |
| C | 3457 | 2703 | 0 | 0 | 0.00% | 0.00% |  |
| D | 3457 | 2703 | 312 | 312 | 9.03% | 11.54% |  |
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 | 14 | 238 | 104312 | 1417.06 | 349 | 341 | 73.4 |
| A | 8 | 5 | 28204 | 379.76 | 349 | 341 | 73.4 |
| A | 8 | 15 | 26207 | 352.54 | 349 | 341 | 73.4 |
| B | 4 | 239 | 475463 | 7084.68 | 337 | 329 | 67.1 |
| B | 11 | 51 | 38923 | 575.47 | 337 | 329 | 67.1 |
| B | 0 | 229 | 37054 | 547.6 | 337 | 329 | 67.1 |
| C | 13 | 61 | 2480 | 27.09 | 334 | 336 | 79.1 |
| C | 8 | 222 | 1258 | 11.65 | 334 | 336 | 79.1 |
| C | 3 | 202 | 875 | 6.81 | 334 | 336 | 79.1 |
| D | 13 | 152 | 1060899 | 13791.91 | 311 | 302 | 76.9 |
| D | 10 | 253 | 182376 | 2367.67 | 311 | 302 | 76.9 |
| D | 1 | 52 | 85896 | 1113.06 | 311 | 302 | 76.9 |
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 |  |