Observation information
- date-obs: 2017-02-19
- time-obs: 13:08:02.327400000
- date-end: 2017-02-19
- time-end: 15:33:28.334500000
- obs_id: T01_155T01_9000001042
- exposure: 2591.60834634
- sourceid: Crab
- observer: mithunnps
- ra_pnt: 83.63308
- dec_pnt: 22.0145
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1T01_155T01_9000001042cztM0_level2.fits
| modeM0/AS1T01_155T01_9000001042cztM0_level2_quad_clean.evt
|
| Size (bytes) | 64,791,360 | 54,492,480 |
| Size | 61.8 MB
| 52.0 MB
|
| Events in quadrant A | 406,122 | 322,196 |
| Events in quadrant B | 387,848 | 318,506 |
| Events in quadrant C | 384,974 | 293,543 |
| Events in quadrant D | 344,424 | 276,372 |
Level1 data integrity
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 13626 | 0 |
| B | 0 | 13722 | 0 |
| C | 0 | 17202 | 0 |
| D | 0 | 14587 | 0 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 25 | 0 |
| B | 0 | 25 | 0 |
| C | 0 | 25 | 0 |
| D | 0 | 25 | 0 |
| 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 | 6286 | 147 | 2.338530% |
| B | 6286 | 132 | 2.099905% |
| C | 6286 | 269 | 4.279351% |
| D | 6286 | 155 | 2.465797% |
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 | 8726 | 6285 | 0 | 0 | 0.00% | 0.00% |  |
| B | 8726 | 6285 | 0 | 0 | 0.00% | 0.00% |  |
| C | 8726 | 6284 | 0 | 0 | 0.00% | 0.00% |  |
| D | 8726 | 6284 | 0 | 0 | 0.00% | 0.00% |  |
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 | 14 | 188 | 420 | 11.48 | 105 | 100 | 27.9 |
| A | 0 | 29 | 385 | 10.22 | 105 | 100 | 27.9 |
| A | 14 | 204 | 377 | 9.94 | 105 | 100 | 27.9 |
| B | 2 | 9 | 344 | 10.83 | 102 | 98 | 22.7 |
| B | 3 | 80 | 269 | 7.53 | 102 | 98 | 22.7 |
| B | 12 | 226 | 269 | 7.53 | 102 | 98 | 22.7 |
| C | 9 | 188 | 302 | 7.31 | 101 | 95 | 28.3 |
| C | 1 | 81 | 290 | 6.89 | 101 | 95 | 28.3 |
| C | 1 | 80 | 290 | 6.89 | 101 | 95 | 28.3 |
| D | 11 | 82 | 277 | 6.79 | 98 | 89 | 27.7 |
| D | 6 | 67 | 277 | 6.79 | 98 | 89 | 27.7 |
| D | 6 | 83 | 266 | 6.39 | 98 | 89 | 27.7 |
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 |  |