Observation information
- date-obs: 2020-12-02
- time-obs: 04:59:36.172700000
- date-end: 2020-12-02
- time-end: 07:10:09.171500000
- obs_id: A10_021T08_9000004042
- exposure: 4580.67581902
- sourceid: NGC 4689
- observer: rosolowsky
- ra_pnt: 191.8
- dec_pnt: 13.90036
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A10_021T08_9000004042_28186cztM0_level2.evt
| modeM0/AS1A10_021T08_9000004042_28186cztM0_level2_quad_clean.evt
|
| Size (bytes) | 748,647,360 | 91,558,080 |
| Size | 714.0 MB
| 87.3 MB
|
| Events in quadrant A | 3,486,199 | 622,842 |
| Events in quadrant B | 3,774,604 | 623,530 |
| Events in quadrant C | 3,615,850 | 584,710 |
| Events in quadrant D | 11,300,120 | 430,995 |
Level1 data integrity
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 15069 | 0 |
| B | 0 | 15911 | 0 |
| C | 0 | 15410 | 0 |
| D | 0 | 38432 | 0 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 5 | 0 |
| B | 0 | 5 | 0 |
| C | 0 | 5 | 0 |
| D | 0 | 5 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 7317 | 170 | 2.323357% |
| B | 7322 | 225 | 3.072931% |
| C | 7322 | 209 | 2.854411% |
| D | 7309 | 3127 | 42.782870% |
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 | 7833 | 7334 | 0 | 0 | 0.00% | 0.00% |  |
| B | 7833 | 7337 | 19 | 19 | 0.24% | 0.26% |  |
| C | 7834 | 7339 | 4 | 4 | 0.05% | 0.05% |  |
| D | 7832 | 7323 | 2936 | 2936 | 37.49% | 40.09% |  |
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 | 15 | 174 | 21017 | 111.8 | 896 | 876 | 180.1 |
| A | 13 | 254 | 11141 | 56.98 | 896 | 876 | 180.1 |
| A | 3 | 137 | 8658 | 43.2 | 896 | 876 | 180.1 |
| B | 10 | 246 | 86817 | 510.54 | 880 | 856 | 168.4 |
| B | 15 | 32 | 80395 | 472.4 | 880 | 856 | 168.4 |
| B | 12 | 17 | 40891 | 237.78 | 880 | 856 | 168.4 |
| C | 14 | 238 | 134694 | 678.64 | 844 | 849 | 197.2 |
| C | 3 | 233 | 121922 | 613.89 | 844 | 849 | 197.2 |
| C | 15 | 208 | 64945 | 324.99 | 844 | 849 | 197.2 |
| D | 1 | 52 | 7720189 | 49444.62 | 648 | 629 | 156.1 |
| D | 7 | 80 | 609256 | 3898.32 | 648 | 629 | 156.1 |
| D | 5 | 222 | 165646 | 1056.95 | 648 | 629 | 156.1 |
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 |  |