Observation information
- date-obs: 2018-01-23
- time-obs: 22:04:56.261600000
- date-end: 2018-01-24
- time-end: 00:22:04.250500000
- obs_id: C03_021T01_9000001864
- exposure: 5043.27617657
- sourceid: SSM3_Crab
- observer: ramadevi
- ra_pnt: 192.0269
- dec_pnt: -7.4915
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1C03_021T01_9000001864_12564cztM0_level2.evt
| modeM0/AS1C03_021T01_9000001864_12564cztM0_level2_quad_clean.evt
|
| Size (bytes) | 492,180,480 | 106,709,760 |
| Size | 469.4 MB
| 101.8 MB
|
| Events in quadrant A | 3,231,479 | 707,174 |
| Events in quadrant B | 4,446,647 | 717,917 |
| Events in quadrant C | 3,090,960 | 705,566 |
| Events in quadrant D | 3,701,205 | 653,573 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 18 | 0 |
| B | 0 | 18 | 0 |
| C | 0 | 18 | 0 |
| D | 0 | 19 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 13691 | 3 |
| B | 0 | 17365 | 2 |
| C | 0 | 13331 | 2 |
| D | 0 | 15481 | 2 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 130 | 0 |
| B | 0 | 130 | 0 |
| C | 0 | 130 | 0 |
| D | 0 | 130 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6416 | 54 | 0.841646% |
| B | 6416 | 285 | 4.442020% |
| C | 6416 | 27 | 0.420823% |
| D | 6416 | 180 | 2.805486% |
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 | 7772 | 6417 | 0 | 0 | 0.00% | 0.00% |  |
| B | 7772 | 6417 | 196 | 196 | 2.52% | 3.05% |  |
| C | 7772 | 6418 | 0 | 0 | 0.00% | 0.00% |  |
| D | 7772 | 6418 | 132 | 132 | 1.70% | 2.06% |  |
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 | 1 | 162 | 29425 | 174.38 | 811 | 797 | 164.2 |
| A | 12 | 189 | 28648 | 169.64 | 811 | 797 | 164.2 |
| A | 1 | 178 | 16337 | 94.66 | 811 | 797 | 164.2 |
| B | 3 | 64 | 1036348 | 6818.47 | 809 | 790 | 151.9 |
| B | 4 | 239 | 190121 | 1246.62 | 809 | 790 | 151.9 |
| B | 11 | 51 | 24910 | 158.81 | 809 | 790 | 151.9 |
| C | 13 | 61 | 5858 | 27.56 | 792 | 798 | 183.6 |
| C | 0 | 15 | 2057 | 6.86 | 792 | 798 | 183.6 |
| C | 3 | 202 | 1916 | 6.09 | 792 | 798 | 183.6 |
| D | 1 | 52 | 251500 | 1367.06 | 764 | 743 | 183.4 |
| D | 10 | 157 | 181009 | 982.76 | 764 | 743 | 183.4 |
| D | 11 | 176 | 117809 | 638.21 | 764 | 743 | 183.4 |
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 |  |