Observation information
- date-obs: 2017-11-20
- time-obs: 14:57:56.781800000
- date-end: 2017-11-20
- time-end: 17:06:12.775100000
- obs_id: C03_020T01_9000001706
- exposure: 5009.18015367
- sourceid: Crab
- observer: ramadevi
- ra_pnt: 335.4276
- dec_pnt: -7.9853
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1C03_020T01_9000001706_11612cztM0_level2.evt
| modeM0/AS1C03_020T01_9000001706_11612cztM0_level2_quad_clean.evt
|
| Size (bytes) | 610,349,760 | 96,356,160 |
| Size | 582.1 MB
| 91.9 MB
|
| Events in quadrant A | 5,275,055 | 602,956 |
| Events in quadrant B | 5,599,916 | 596,409 |
| Events in quadrant C | 3,298,752 | 614,758 |
| Events in quadrant D | 3,812,003 | 591,427 |
Level1 data integrity
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 20646 | 2 |
| B | 0 | 21481 | 1 |
| C | 0 | 15058 | 1 |
| D | 0 | 16419 | 1 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 3 | 0 |
| B | 0 | 3 | 0 |
| C | 0 | 3 | 0 |
| D | 0 | 3 | 0 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 150 | 0 |
| B | 0 | 150 | 0 |
| C | 0 | 150 | 0 |
| D | 0 | 150 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 7356 | 398 | 5.410549% |
| B | 7356 | 551 | 7.490484% |
| C | 7356 | 13 | 0.176726% |
| D | 7356 | 148 | 2.011963% |
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 | 7697 | 7358 | 177 | 177 | 2.30% | 2.41% |  |
| B | 7697 | 7358 | 321 | 321 | 4.17% | 4.36% |  |
| C | 7697 | 7358 | 0 | 0 | 0.00% | 0.00% |  |
| D | 7697 | 7358 | 127 | 127 | 1.65% | 1.73% |  |
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 | 8 | 5 | 1513175 | 8474.11 | 864 | 846 | 178.5 |
| A | 1 | 162 | 154650 | 861.82 | 864 | 846 | 178.5 |
| A | 1 | 178 | 87866 | 487.6 | 864 | 846 | 178.5 |
| B | 4 | 239 | 1161039 | 7025.76 | 857 | 836 | 165.1 |
| B | 10 | 16 | 606326 | 3666.62 | 857 | 836 | 165.1 |
| B | 3 | 64 | 395788 | 2391.68 | 857 | 836 | 165.1 |
| C | 13 | 61 | 6271 | 27.44 | 845 | 851 | 197.5 |
| C | 12 | 4 | 3088 | 11.33 | 845 | 851 | 197.5 |
| C | 14 | 234 | 2800 | 9.87 | 845 | 851 | 197.5 |
| D | 1 | 52 | 299223 | 1478.29 | 837 | 815 | 201.9 |
| D | 10 | 253 | 102046 | 501.49 | 837 | 815 | 201.9 |
| D | 2 | 136 | 61782 | 302.03 | 837 | 815 | 201.9 |
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 |  |