Observation information
- date-obs: 2018-04-22
- time-obs: 12:54:55.122900000
- date-end: 2018-04-22
- time-end: 15:06:05.122200000
- obs_id: G08_030T01_9000002044
- exposure: 3215.23903855
- sourceid: Cyg X-1
- observer: jsyadav
- ra_pnt: 299.5903
- dec_pnt: 35.20161
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1G08_030T01_9000002044_13875cztM0_level2.evt
| modeM0/AS1G08_030T01_9000002044_13875cztM0_level2_quad_clean.evt
|
| Size (bytes) | 500,065,920 | 72,380,160 |
| Size | 476.9 MB
| 69.0 MB
|
| Events in quadrant A | 3,334,125 | 431,151 |
| Events in quadrant B | 3,583,281 | 421,716 |
| Events in quadrant C | 3,226,350 | 437,712 |
| Events in quadrant D | 4,536,986 | 425,018 |
Level1 data integrity
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 14126 | 3 |
| B | 0 | 14885 | 2 |
| C | 0 | 13965 | 2 |
| D | 0 | 17875 | 2 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 9 | 0 |
| B | 0 | 9 | 0 |
| C | 0 | 9 | 0 |
| D | 0 | 10 | 0 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 140 | 0 |
| B | 0 | 140 | 0 |
| C | 0 | 140 | 0 |
| D | 0 | 140 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6825 | 91 | 1.333333% |
| B | 6825 | 122 | 1.787546% |
| C | 6825 | 68 | 0.996337% |
| D | 6825 | 380 | 5.567766% |
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 | 7686 | 6826 | 1 | 1 | 0.01% | 0.01% |  |
| B | 7686 | 6826 | 26 | 26 | 0.34% | 0.38% |  |
| C | 7686 | 6826 | 0 | 0 | 0.00% | 0.00% |  |
| D | 7686 | 6826 | 241 | 241 | 3.14% | 3.53% |  |
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 | 4 | 2 | 31186 | 176.94 | 845 | 827 | 171.6 |
| A | 0 | 23 | 21730 | 121.83 | 845 | 827 | 171.6 |
| A | 1 | 162 | 17519 | 97.28 | 845 | 827 | 171.6 |
| B | 10 | 245 | 139387 | 859.44 | 835 | 813 | 161.2 |
| B | 3 | 209 | 46315 | 282.21 | 835 | 813 | 161.2 |
| B | 0 | 230 | 44467 | 270.74 | 835 | 813 | 161.2 |
| C | 3 | 233 | 30114 | 152.45 | 820 | 826 | 192.1 |
| C | 13 | 61 | 5940 | 26.62 | 820 | 826 | 192.1 |
| C | 14 | 234 | 2056 | 6.4 | 820 | 826 | 192.1 |
| D | 13 | 122 | 701644 | 3524.74 | 803 | 782 | 198.8 |
| D | 5 | 222 | 437990 | 2198.79 | 803 | 782 | 198.8 |
| D | 10 | 157 | 121919 | 609.22 | 803 | 782 | 198.8 |
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 |  |