Observation information
- date-obs: 2016-10-08
- time-obs: 16:05:36.577000000
- date-end: 2016-10-09
- time-end: 16:40:16.580700000
- obs_id: A02_081T01_9000000720
- exposure: 44902.314436
- sourceid: 4U 2206+54
- observer: asat2016
- ra_pnt: 331.9843
- dec_pnt: 54.51845
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A02_081T01_9000000720cztM0_level2.fits
| modeM0/AS1A02_081T01_9000000720cztM0_level2_quad_clean.evt
|
| Size (bytes) | 701,472,960 | 745,770,240 |
| Size | 669.0 MB
| 711.2 MB
|
| Events in quadrant A | 4,258,576 | 4,626,998 |
| Events in quadrant B | 4,070,474 | 4,600,106 |
| Events in quadrant C | 4,139,796 | 4,306,449 |
| Events in quadrant D | 3,506,366 | 3,785,643 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 116 | 0 |
| B | 0 | 116 | 0 |
| C | 0 | 116 | 0 |
| D | 0 | 116 | 0 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 1564 | 0 |
| B | 0 | 1564 | 0 |
| C | 0 | 1562 | 0 |
| D | 0 | 1562 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 158561 | 0 |
| B | 0 | 172524 | 0 |
| C | 0 | 160524 | 0 |
| D | 0 | 181680 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 76822 | 784 | 1.020541% |
| B | 76825 | 1303 | 1.696062% |
| C | 76815 | 855 | 1.113064% |
| D | 76828 | 2930 | 3.813714% |
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 | 88481 | 76834 | 0 | 0 | 0.00% | 0.00% |  |
| B | 88481 | 76824 | 0 | 0 | 0.00% | 0.00% |  |
| C | 88481 | 76836 | 0 | 0 | 0.00% | 0.00% |  |
| D | 88481 | 76754 | 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 | 4341 | 11.73 | 1103 | 1031 | 282.2 |
| A | 0 | 29 | 4192 | 11.2 | 1103 | 1031 | 282.2 |
| A | 7 | 110 | 3832 | 9.93 | 1103 | 1031 | 282.2 |
| B | 2 | 9 | 3604 | 12.0 | 1073 | 1021 | 215.2 |
| B | 14 | 254 | 2890 | 8.68 | 1073 | 1021 | 215.2 |
| B | 12 | 226 | 2831 | 8.41 | 1073 | 1021 | 215.2 |
| C | 1 | 80 | 3104 | 7.2 | 1092 | 1008 | 291.2 |
| C | 1 | 81 | 3078 | 7.11 | 1092 | 1008 | 291.2 |
| C | 12 | 241 | 2925 | 6.58 | 1092 | 1008 | 291.2 |
| D | 11 | 82 | 2783 | 6.91 | 1002 | 906 | 271.6 |
| D | 6 | 231 | 2552 | 6.06 | 1002 | 906 | 271.6 |
| D | 4 | 160 | 2550 | 6.05 | 1002 | 906 | 271.6 |
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 |  |