Observation information
- date-obs: 2016-03-31
- time-obs: 05:39:19.462500000
- date-end: 2016-04-03
- time-end: 03:55:11.366400000
- obs_id: T01_112T01_9000000406
- exposure: 5313.97294548
- sourceid: Crab
- observer: dipankar
- ra_pnt: 83.63308
- dec_pnt: 22.01446
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1T01_112T01_9000000406cztM0_level2.fits
| modeM0/AS1T01_112T01_9000000406cztM0_level2_quad_clean.evt
|
| Size (bytes) | 1,851,445,440 | 537,361,920 |
| Size | 1.7 GB
| 512.5 MB
|
| Events in quadrant A | 11,055,600 | 573,737 |
| Events in quadrant B | 10,825,020 | 563,920 |
| Events in quadrant C | 10,922,080 | 559,906 |
| Events in quadrant D | 9,208,132 | 502,703 |
Level1 data integrity
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 437967 | 0 |
| B | 0 | 443130 | 0 |
| C | 0 | 441032 | 0 |
| D | 0 | 476423 | 0 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 4172 | 0 |
| B | 0 | 4172 | 0 |
| C | 0 | 4172 | 0 |
| D | 0 | 4172 | 0 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 295 | 0 |
| B | 0 | 295 | 0 |
| C | 0 | 295 | 0 |
| D | 0 | 295 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 205192 | 3771 | 1.837791% |
| B | 205192 | 3784 | 1.844126% |
| C | 205192 | 3174 | 1.546844% |
| D | 205192 | 5111 | 2.490838% |
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 | 252952 | 205181 | 0 | 0 | 0.00% | 0.00% |  |
| B | 252952 | 205185 | 0 | 0 | 0.00% | 0.00% |  |
| C | 252952 | 205182 | 0 | 0 | 0.00% | 0.00% |  |
| D | 252952 | 205120 | 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 | 10867 | 11.12 | 2862 | 2666 | 737.3 |
| A | 0 | 29 | 10421 | 10.52 | 2862 | 2666 | 737.3 |
| A | 7 | 110 | 10086 | 10.06 | 2862 | 2666 | 737.3 |
| B | 2 | 9 | 9234 | 11.57 | 2852 | 2704 | 564.5 |
| B | 12 | 226 | 8729 | 10.67 | 2852 | 2704 | 564.5 |
| B | 14 | 254 | 7605 | 8.68 | 2852 | 2704 | 564.5 |
| C | 12 | 241 | 7819 | 6.56 | 2886 | 2656 | 786.7 |
| C | 7 | 111 | 7787 | 6.52 | 2886 | 2656 | 786.7 |
| C | 2 | 127 | 7759 | 6.49 | 2886 | 2656 | 786.7 |
| D | 4 | 160 | 6889 | 6.08 | 2631 | 2379 | 741.8 |
| D | 1 | 19 | 6775 | 5.93 | 2631 | 2379 | 741.8 |
| D | 1 | 3 | 6755 | 5.9 | 2631 | 2379 | 741.8 |
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 |  |