Observation information
- date-obs: 2015-10-11
- time-obs: 09:07:35.808900000
- date-end: 2015-10-11
- time-end: 11:15:51.796300000
- obs_id: P01_140T01_9000000018
- exposure: 4740.90246501
- sourceid: Cygnus X-1
- observer: santoshv
- ra_pnt: 299.5635
- dec_pnt: 35.20176
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1P01_140T01_9000000018_00197cztM0_level2.evt
| modeM0/AS1P01_140T01_9000000018_00197cztM0_level2_quad_clean.evt
|
| Size (bytes) | 950,736,960 | 82,247,040 |
| Size | 906.7 MB
| 78.4 MB
|
| Events in quadrant A | 7,331,006 | 521,795 |
| Events in quadrant B | 7,296,970 | 530,946 |
| Events in quadrant C | 6,653,800 | 520,778 |
| Events in quadrant D | 7,118,884 | 503,936 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 120 | 0 |
| B | 0 | 120 | 0 |
| C | 0 | 120 | 0 |
| D | 0 | 120 | 0 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 17 | 0 |
| B | 0 | 17 | 0 |
| C | 0 | 17 | 0 |
| D | 0 | 18 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 26031 | 3 |
| B | 0 | 25866 | 2 |
| C | 0 | 23988 | 2 |
| D | 0 | 25386 | 2 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 5915 | 4 | 0.067625% |
| B | 5915 | 6 | 0.101437% |
| C | 5915 | 8 | 0.135249% |
| D | 5915 | 51 | 0.862215% |
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 | 7537 | 5917 | 191 | 191 | 2.53% | 3.23% |  |
| B | 7537 | 5917 | 131 | 131 | 1.74% | 2.21% |  |
| C | 7537 | 5917 | 66 | 66 | 0.88% | 1.12% |  |
| D | 7537 | 5917 | 183 | 183 | 2.43% | 3.09% |  |
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 | 7 | 144 | 35601 | 81.5 | 1874 | 1861 | 414.0 |
| A | 0 | 253 | 25638 | 57.43 | 1874 | 1861 | 414.0 |
| A | 13 | 148 | 9881 | 19.37 | 1874 | 1861 | 414.0 |
| B | 0 | 247 | 70485 | 158.47 | 1835 | 1850 | 433.1 |
| B | 8 | 5 | 65240 | 146.36 | 1835 | 1850 | 433.1 |
| B | 0 | 183 | 40203 | 88.55 | 1835 | 1850 | 433.1 |
| C | 1 | 192 | 54620 | 113.43 | 1669 | 1727 | 466.3 |
| C | 0 | 188 | 14010 | 26.34 | 1669 | 1727 | 466.3 |
| C | 10 | 33 | 7789 | 13.0 | 1669 | 1727 | 466.3 |
| D | 14 | 23 | 155780 | 297.56 | 1689 | 1741 | 517.7 |
| D | 12 | 249 | 116636 | 221.94 | 1689 | 1741 | 517.7 |
| D | 1 | 4 | 106121 | 201.63 | 1689 | 1741 | 517.7 |
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 |  |