Observation information
- date-obs: 2018-07-03
- time-obs: 00:18:07.578600000
- date-end: 2018-07-03
- time-end: 02:46:36.572800000
- obs_id: T02_055T01_9000002206
- exposure: 5380.14970405
- sourceid: Cep X-4
- observer: varunb
- ra_pnt: 324.8779
- dec_pnt: 56.98623
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1T02_055T01_9000002206_14933cztM0_level2.evt
| modeM0/AS1T02_055T01_9000002206_14933cztM0_level2_quad_clean.evt
|
| Size (bytes) | 527,915,520 | 108,149,760 |
| Size | 503.5 MB
| 103.1 MB
|
| Events in quadrant A | 3,261,745 | 719,499 |
| Events in quadrant B | 5,863,053 | 686,280 |
| Events in quadrant C | 3,227,608 | 699,404 |
| Events in quadrant D | 3,170,889 | 692,960 |
Level1 data integrity
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 14245 | 3 |
| B | 0 | 22055 | 2 |
| C | 0 | 14036 | 2 |
| D | 0 | 14226 | 2 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 144 | 0 |
| B | 0 | 144 | 0 |
| C | 0 | 144 | 0 |
| D | 0 | 144 | 0 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 20 | 0 |
| B | 0 | 20 | 0 |
| C | 0 | 20 | 0 |
| D | 0 | 20 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6834 | 19 | 0.278022% |
| B | 6834 | 806 | 11.793971% |
| C | 6834 | 17 | 0.248756% |
| D | 6834 | 18 | 0.263389% |
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 | 8910 | 6837 | 4 | 4 | 0.04% | 0.06% |  |
| B | 8910 | 6837 | 467 | 467 | 5.24% | 6.83% |  |
| C | 8910 | 6837 | 0 | 0 | 0.00% | 0.00% |  |
| D | 8910 | 6837 | 3 | 3 | 0.03% | 0.04% |  |
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 | 12 | 189 | 87649 | 529.25 | 808 | 790 | 164.1 |
| A | 4 | 2 | 52456 | 314.81 | 808 | 790 | 164.1 |
| A | 0 | 226 | 7160 | 38.81 | 808 | 790 | 164.1 |
| B | 10 | 16 | 2287138 | 15633.46 | 778 | 760 | 146.2 |
| B | 0 | 219 | 249741 | 1702.45 | 778 | 760 | 146.2 |
| B | 0 | 229 | 214651 | 1462.51 | 778 | 760 | 146.2 |
| C | 3 | 233 | 179080 | 1002.59 | 781 | 784 | 177.8 |
| C | 13 | 61 | 5726 | 27.79 | 781 | 784 | 177.8 |
| C | 14 | 234 | 2018 | 6.94 | 781 | 784 | 177.8 |
| D | 7 | 254 | 139866 | 754.4 | 778 | 758 | 184.4 |
| D | 2 | 152 | 31917 | 168.98 | 778 | 758 | 184.4 |
| D | 2 | 120 | 24394 | 128.18 | 778 | 758 | 184.4 |
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 |  |