Observation information
- date-obs: 2015-11-10
- time-obs: 19-53-12.000009656
- date-end: 2015-11-10
- time-end: 21-06-18.000009659
- obs_id: P01_126T04_9000000092
- exposure: 992.178792745
- sourceid: crab-ssm1-p4
- observer: ramadevi
- ra_pnt: 345.6787
- dec_pnt: 9.2364
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1P01_126T04_9000000092_00648cztM0_level2.evt
| modeM0/AS1P01_126T04_9000000092_00648cztM0_level2_quad_clean.evt
|
| Size (bytes) | 357,782,400 | 18,535,680 |
| Size | 341.2 MB
| 17.7 MB
|
| Events in quadrant A | 2,708,825 | 101,302 |
| Events in quadrant B | 2,680,657 | 102,319 |
| Events in quadrant C | 2,498,784 | 100,946 |
| Events in quadrant D | 2,796,350 | 94,352 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 48 | 0 |
| B | 0 | 48 | 0 |
| C | 0 | 48 | 0 |
| D | 0 | 48 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 9626 | 1 |
| B | 0 | 9549 | 1 |
| C | 0 | 8996 | 4 |
| D | 0 | 9892 | 1 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 21 | 0 |
| B | 0 | 21 | 0 |
| C | 0 | 21 | 0 |
| D | 0 | 21 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 2233 | 2 | 0.089566% |
| B | 2233 | 2 | 0.089566% |
| C | 2232 | 1 | 0.044803% |
| D | 2232 | 75 | 3.360215% |
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 | 4387 | 2234 | 56 | 56 | 1.28% | 2.51% |  |
| B | 4387 | 2234 | 42 | 42 | 0.96% | 1.88% |  |
| C | 4386 | 2233 | 24 | 24 | 0.55% | 1.07% |  |
| D | 4386 | 2233 | 156 | 156 | 3.56% | 6.99% |  |
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 | 0 | 238 | 12087 | 74.64 | 691 | 687 | 152.7 |
| A | 15 | 53 | 7759 | 46.3 | 691 | 687 | 152.7 |
| A | 14 | 79 | 7312 | 43.38 | 691 | 687 | 152.7 |
| B | 5 | 249 | 8219 | 46.11 | 696 | 699 | 163.1 |
| B | 0 | 220 | 7652 | 42.63 | 696 | 699 | 163.1 |
| B | 15 | 255 | 4179 | 21.34 | 696 | 699 | 163.1 |
| C | 15 | 241 | 4579 | 21.97 | 634 | 660 | 178.4 |
| C | 1 | 16 | 2228 | 8.79 | 634 | 660 | 178.4 |
| C | -1 | -1 | -1 | -1.0 | 634 | 660 | 178.4 |
| D | 1 | 4 | 255253 | 1337.39 | 601 | 624 | 190.4 |
| D | 12 | 237 | 68167 | 354.76 | 601 | 624 | 190.4 |
| D | 13 | 221 | 48969 | 253.92 | 601 | 624 | 190.4 |
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 |  |