Observation information
- date-obs: 2018-03-15
- time-obs: 15:52:01.812400000
- date-end: 2018-03-15
- time-end: 17:53:08.815300000
- obs_id: T02_014T01_9000001980
- exposure: 3679.83107542
- sourceid: Crab
- observer: dipankar
- ra_pnt: 83.63308
- dec_pnt: 22.01449
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1T02_014T01_9000001980_13315cztM0_level2.evt
| modeM0/AS1T02_014T01_9000001980_13315cztM0_level2_quad_clean.evt
|
| Size (bytes) | 437,837,760 | 92,010,240 |
| Size | 417.6 MB
| 87.7 MB
|
| Events in quadrant A | 3,136,542 | 604,152 |
| Events in quadrant B | 3,210,682 | 616,839 |
| Events in quadrant C | 3,158,749 | 591,232 |
| Events in quadrant D | 3,351,166 | 559,993 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 120 | 0 |
| B | 0 | 120 | 0 |
| C | 0 | 120 | 0 |
| D | 0 | 120 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 13066 | 2 |
| B | 0 | 13149 | 1 |
| C | 0 | 13069 | 1 |
| D | 0 | 13898 | 1 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 13 | 0 |
| B | 0 | 13 | 0 |
| C | 0 | 13 | 0 |
| D | 0 | 13 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 5932 | 35 | 0.590020% |
| B | 5932 | 48 | 0.809171% |
| C | 5932 | 62 | 1.045179% |
| D | 5932 | 46 | 0.775455% |
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 | 7268 | 5934 | 1 | 1 | 0.01% | 0.02% |  |
| B | 7268 | 5934 | 12 | 12 | 0.17% | 0.20% |  |
| C | 7268 | 5934 | 43 | 43 | 0.59% | 0.72% |  |
| D | 7268 | 5934 | 23 | 23 | 0.32% | 0.39% |  |
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 | 15 | 90354 | 572.67 | 769 | 755 | 156.5 |
| A | 1 | 162 | 29442 | 183.35 | 769 | 755 | 156.5 |
| A | 9 | 143 | 20529 | 126.38 | 769 | 755 | 156.5 |
| B | 4 | 173 | 48990 | 334.12 | 773 | 759 | 144.4 |
| B | 0 | 189 | 41450 | 281.89 | 773 | 759 | 144.4 |
| B | 0 | 190 | 27370 | 184.35 | 773 | 759 | 144.4 |
| C | 15 | 208 | 255869 | 1489.28 | 743 | 753 | 171.3 |
| C | 14 | 234 | 5920 | 30.16 | 743 | 753 | 171.3 |
| C | 13 | 61 | 5464 | 27.5 | 743 | 753 | 171.3 |
| D | 8 | 195 | 230246 | 1288.15 | 740 | 723 | 178.2 |
| D | 2 | 136 | 92279 | 513.84 | 740 | 723 | 178.2 |
| D | 1 | 52 | 57538 | 318.86 | 740 | 723 | 178.2 |
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 |  |