Observation information
- date-obs: 2018-10-05
- time-obs: 19:27:53.473600000
- date-end: 2018-10-05
- time-end: 21:21:37.470100000
- obs_id: A05_149T04_9000002410
- exposure: 3644.57748258
- sourceid: NGC 7027
- observer: nkrao
- ra_pnt: 316.7575
- dec_pnt: 42.23611
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A05_149T04_9000002410_16337cztM0_level2.evt
| modeM0/AS1A05_149T04_9000002410_16337cztM0_level2_quad_clean.evt
|
| Size (bytes) | 638,040,960 | 73,500,480 |
| Size | 608.5 MB
| 70.1 MB
|
| Events in quadrant A | 5,399,362 | 447,144 |
| Events in quadrant B | 7,451,083 | 393,596 |
| Events in quadrant C | 2,981,988 | 492,392 |
| Events in quadrant D | 3,090,611 | 478,592 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 122 | 0 |
| B | 0 | 122 | 0 |
| C | 0 | 122 | 0 |
| D | 0 | 122 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 20114 | 1 |
| B | 0 | 26263 | 1 |
| C | 0 | 12735 | 1 |
| D | 0 | 13384 | 1 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 9 | 0 |
| B | 0 | 9 | 0 |
| C | 0 | 9 | 0 |
| D | 0 | 9 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 5900 | 1065 | 18.050847% |
| B | 5900 | 1952 | 33.084746% |
| C | 5900 | 68 | 1.152542% |
| D | 5900 | 63 | 1.067797% |
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 | 6826 | 5902 | 925 | 925 | 13.55% | 15.67% |  |
| B | 6826 | 5902 | 1326 | 1326 | 19.43% | 22.47% |  |
| C | 6826 | 5902 | 3 | 3 | 0.04% | 0.05% |  |
| D | 6826 | 5902 | 38 | 38 | 0.56% | 0.64% |  |
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 | 15 | 174 | 2894111 | 21941.79 | 650 | 635 | 131.9 |
| A | 0 | 226 | 5673 | 38.2 | 650 | 635 | 131.9 |
| A | 12 | 194 | 4713 | 30.92 | 650 | 635 | 131.9 |
| B | 3 | 112 | 4388373 | 39325.17 | 589 | 576 | 111.6 |
| B | 10 | 247 | 249083 | 2227.22 | 589 | 576 | 111.6 |
| B | 10 | 16 | 181850 | 1624.65 | 589 | 576 | 111.6 |
| C | 3 | 233 | 241590 | 1529.81 | 671 | 676 | 157.5 |
| C | 14 | 238 | 103366 | 652.08 | 671 | 676 | 157.5 |
| C | 0 | 207 | 18211 | 111.35 | 671 | 676 | 157.5 |
| D | 12 | 218 | 319783 | 1910.74 | 678 | 656 | 167.0 |
| D | 10 | 70 | 100762 | 599.37 | 678 | 656 | 167.0 |
| D | 12 | 110 | 63663 | 377.25 | 678 | 656 | 167.0 |
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 |  |