Observation information
- date-obs: 2015-11-11
- time-obs: 19-17-33.000009391
- date-end: 2015-11-11
- time-end: 21-28-14.000009359
- obs_id: P01_124T01_9000000094
- exposure: 2944.24660482
- sourceid: VelaX1-ssm12
- observer: vivek
- ra_pnt: 348.8654
- dec_pnt: 38.4164
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1P01_124T01_9000000094_00663cztM0_level2.evt
| modeM0/AS1P01_124T01_9000000094_00663cztM0_level2_quad_clean.evt
|
| Size (bytes) | 787,412,160 | 49,792,320 |
| Size | 750.9 MB
| 47.5 MB
|
| Events in quadrant A | 5,752,815 | 293,395 |
| Events in quadrant B | 5,912,949 | 295,373 |
| Events in quadrant C | 5,317,793 | 293,801 |
| Events in quadrant D | 6,530,597 | 274,205 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 28 | 0 |
| B | 0 | 28 | 0 |
| C | 0 | 28 | 0 |
| D | 0 | 28 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 20687 | 2 |
| B | 0 | 21116 | 2 |
| C | 0 | 19359 | 2 |
| D | 0 | 22978 | 4 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 104 | 0 |
| B | 0 | 104 | 0 |
| C | 0 | 104 | 0 |
| D | 0 | 104 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 4990 | 37 | 0.741483% |
| B | 4990 | 11 | 0.220441% |
| C | 4990 | 4 | 0.080160% |
| D | 4989 | 223 | 4.469834% |
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 | 7146 | 4991 | 154 | 154 | 2.16% | 3.09% |  |
| B | 7146 | 4991 | 122 | 122 | 1.71% | 2.44% |  |
| C | 7146 | 4991 | 40 | 40 | 0.56% | 0.80% |  |
| D | 7145 | 4990 | 547 | 547 | 7.66% | 10.96% |  |
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 | 79 | 92761 | 292.67 | 1425 | 1412 | 312.1 |
| A | 12 | 236 | 36830 | 113.47 | 1425 | 1412 | 312.1 |
| A | 0 | 69 | 31312 | 95.79 | 1425 | 1412 | 312.1 |
| B | 14 | 50 | 65655 | 188.88 | 1457 | 1463 | 339.9 |
| B | 4 | 172 | 61116 | 175.52 | 1457 | 1463 | 339.9 |
| B | 7 | 221 | 49023 | 139.94 | 1457 | 1463 | 339.9 |
| C | 1 | 1 | 24576 | 62.42 | 1333 | 1383 | 371.6 |
| C | 10 | 38 | 15921 | 39.13 | 1333 | 1383 | 371.6 |
| C | 15 | 241 | 12014 | 28.61 | 1333 | 1383 | 371.6 |
| D | 1 | 4 | 992250 | 2546.04 | 1236 | 1279 | 389.2 |
| D | 13 | 221 | 369172 | 945.21 | 1236 | 1279 | 389.2 |
| D | 12 | 237 | 129948 | 330.58 | 1236 | 1279 | 389.2 |
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 |  |