Observation information
- date-obs: 2018-01-03
- time-obs: 02:20:25.738300000
- date-end: 2018-01-03
- time-end: 04:26:25.738300000
- obs_id: G08_006T04_9000001812
- exposure: 6444.29986803
- sourceid: SMC4
- observer: annapurni
- ra_pnt: 6.191667
- dec_pnt: -72.79514
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1G08_006T04_9000001812_12255cztM0_level2.evt
| modeM0/AS1G08_006T04_9000001812_12255cztM0_level2_quad_clean.evt
|
| Size (bytes) | 469,028,160 | 123,482,880 |
| Size | 447.3 MB
| 117.8 MB
|
| Events in quadrant A | 3,406,882 | 828,950 |
| Events in quadrant B | 3,952,172 | 833,213 |
| Events in quadrant C | 3,208,864 | 828,265 |
| Events in quadrant D | 3,194,324 | 795,517 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 10 | 0 |
| B | 0 | 10 | 0 |
| C | 0 | 10 | 0 |
| D | 0 | 10 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 14275 | 2 |
| B | 0 | 15848 | 1 |
| C | 0 | 13857 | 1 |
| D | 0 | 13846 | 1 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 132 | 0 |
| B | 0 | 132 | 0 |
| C | 0 | 132 | 0 |
| D | 0 | 132 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6510 | 73 | 1.121352% |
| B | 6510 | 216 | 3.317972% |
| C | 6510 | 61 | 0.937020% |
| D | 6510 | 68 | 1.044547% |
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 | 7561 | 6512 | 5 | 5 | 0.07% | 0.08% |  |
| B | 7561 | 6512 | 82 | 82 | 1.08% | 1.26% |  |
| C | 7561 | 6512 | 14 | 14 | 0.19% | 0.21% |  |
| D | 7561 | 6512 | 22 | 22 | 0.29% | 0.34% |  |
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 | 1 | 162 | 84363 | 535.03 | 769 | 752 | 156.3 |
| A | 7 | 16 | 81196 | 514.76 | 769 | 752 | 156.3 |
| A | 13 | 251 | 49320 | 310.79 | 769 | 752 | 156.3 |
| B | 4 | 239 | 438507 | 3072.4 | 763 | 744 | 142.5 |
| B | 0 | 85 | 166655 | 1164.43 | 763 | 744 | 142.5 |
| B | 4 | 206 | 160035 | 1117.97 | 763 | 744 | 142.5 |
| C | 15 | 208 | 148771 | 856.84 | 755 | 760 | 172.7 |
| C | 3 | 233 | 49242 | 280.66 | 755 | 760 | 172.7 |
| C | 1 | 16 | 26981 | 151.79 | 755 | 760 | 172.7 |
| D | 1 | 52 | 138736 | 773.45 | 748 | 726 | 178.4 |
| D | 13 | 104 | 43328 | 238.75 | 748 | 726 | 178.4 |
| D | 2 | 33 | 42110 | 231.93 | 748 | 726 | 178.4 |
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 |  |