Observation information
- date-obs: 2015-11-12
- time-obs: 21-25-53.000009184
- date-end: 2015-11-12
- time-end: 23-41-26.000009191
- obs_id: P01_141T01_9000000096
- exposure: 4834.03560433
- sourceid: Crab
- observer: santoshv
- ra_pnt: 83.62586
- dec_pnt: 22.02464
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1P01_141T01_9000000096_00679cztM0_level2.evt
| modeM0/AS1P01_141T01_9000000096_00679cztM0_level2_quad_clean.evt
|
| Size (bytes) | 1,030,340,160 | 89,945,280 |
| Size | 982.6 MB
| 85.8 MB
|
| Events in quadrant A | 7,923,964 | 571,891 |
| Events in quadrant B | 8,419,399 | 578,069 |
| Events in quadrant C | 7,428,987 | 570,249 |
| Events in quadrant D | 6,987,785 | 537,718 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 14 | 0 |
| B | 0 | 15 | 0 |
| C | 0 | 15 | 0 |
| D | 0 | 15 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 28253 | 2 |
| B | 0 | 29739 | 7 |
| C | 0 | 26799 | 2 |
| D | 0 | 25555 | 2 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 136 | 0 |
| B | 0 | 136 | 0 |
| C | 0 | 136 | 0 |
| D | 0 | 136 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6683 | 8 | 0.119707% |
| B | 6682 | 70 | 1.047591% |
| C | 6682 | 6 | 0.089793% |
| D | 6682 | 32 | 0.478899% |
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 | 7898 | 6684 | 232 | 232 | 2.94% | 3.47% |  |
| B | 7897 | 6683 | 354 | 354 | 4.48% | 5.30% |  |
| C | 7897 | 6683 | 150 | 150 | 1.90% | 2.24% |  |
| D | 7897 | 6683 | 151 | 151 | 1.91% | 2.26% |  |
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 | 13 | 17 | 7256 | 11.64 | 2067 | 2054 | 446.9 |
| A | 3 | 111 | 6002 | 8.83 | 2067 | 2054 | 446.9 |
| A | 14 | 203 | 5212 | 7.07 | 2067 | 2054 | 446.9 |
| B | 8 | 4 | 169634 | 345.59 | 2087 | 2098 | 484.8 |
| B | 0 | 220 | 154470 | 314.31 | 2087 | 2098 | 484.8 |
| B | 7 | 221 | 109667 | 221.89 | 2087 | 2098 | 484.8 |
| C | 9 | 52 | 37570 | 68.38 | 1881 | 1953 | 520.9 |
| C | 15 | 241 | 36785 | 66.87 | 1881 | 1953 | 520.9 |
| C | -1 | -1 | -1 | -1.0 | 1881 | 1953 | 520.9 |
| D | 1 | 4 | 163194 | 294.93 | 1787 | 1848 | 547.1 |
| D | 12 | 22 | 101634 | 182.4 | 1787 | 1848 | 547.1 |
| D | 9 | 64 | 23888 | 40.29 | 1787 | 1848 | 547.1 |
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 |  |