Observation information
- date-obs: 2018-09-08
- time-obs: 01:56:31.360400000
- date-end: 2018-09-08
- time-end: 10:10:01.347400000
- obs_id: G08_066T02_9000002346
- exposure: 16682.7227006
- sourceid: NGC 985
- observer: reks
- ra_pnt: 38.65779
- dec_pnt: -8.7881
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1G08_066T02_9000002346_15931cztM0_level2.evt
| modeM0/AS1G08_066T02_9000002346_15931cztM0_level2_quad_clean.evt
|
| Size (bytes) | 1,883,384,640 | 336,640,320 |
| Size | 1.8 GB
| 321.0 MB
|
| Events in quadrant A | 14,904,128 | 2,071,425 |
| Events in quadrant B | 13,751,033 | 2,142,798 |
| Events in quadrant C | 13,714,327 | 2,034,010 |
| Events in quadrant D | 12,762,921 | 2,008,184 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 570 | 0 |
| B | 0 | 570 | 0 |
| C | 0 | 570 | 0 |
| D | 0 | 570 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 61695 | 4 |
| B | 0 | 58886 | 4 |
| C | 0 | 58076 | 4 |
| D | 0 | 58118 | 4 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 13 | 0 |
| B | 0 | 13 | 0 |
| C | 0 | 13 | 0 |
| D | 0 | 14 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 28195 | 594 | 2.106757% |
| B | 28195 | 575 | 2.039369% |
| C | 28195 | 613 | 2.174144% |
| D | 28195 | 432 | 1.532187% |
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 | 29411 | 28197 | 4 | 4 | 0.01% | 0.01% |  |
| B | 29411 | 28198 | 20 | 20 | 0.07% | 0.07% |  |
| C | 29411 | 28198 | 0 | 0 | 0.00% | 0.00% |  |
| D | 29411 | 28197 | 9 | 9 | 0.03% | 0.03% |  |
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 | 239 | 1867205 | 2739.09 | 3379 | 3298 | 680.5 |
| A | 0 | 226 | 29787 | 38.93 | 3379 | 3298 | 680.5 |
| A | 12 | 194 | 25193 | 32.17 | 3379 | 3298 | 680.5 |
| B | 0 | 189 | 120064 | 178.85 | 3390 | 3303 | 652.8 |
| B | 4 | 173 | 119094 | 177.36 | 3390 | 3303 | 652.8 |
| B | 12 | 111 | 78037 | 114.47 | 3390 | 3303 | 652.8 |
| C | 14 | 238 | 494016 | 642.74 | 3257 | 3272 | 763.5 |
| C | 3 | 233 | 475555 | 618.56 | 3257 | 3272 | 763.5 |
| C | 7 | 247 | 26263 | 30.11 | 3257 | 3272 | 763.5 |
| D | 2 | 234 | 110396 | 133.07 | 3315 | 3219 | 805.4 |
| D | 13 | 172 | 71199 | 84.41 | 3315 | 3219 | 805.4 |
| D | 2 | 152 | 58692 | 68.88 | 3315 | 3219 | 805.4 |
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 |  |