Observation information
- date-obs: 2017-11-11
- time-obs: 18:13:14.781600000
- date-end: 2017-11-11
- time-end: 18:57:23.783300000
- obs_id: A04_021T04_9000001682
- exposure: 1937.96678443
- sourceid: M31 Field No. 5
- observer: dleahy
- ra_pnt: 10.49771
- dec_pnt: 41.62544
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A04_021T04_9000001682_11481cztM0_level2.evt
| modeM0/AS1A04_021T04_9000001682_11481cztM0_level2_quad_clean.evt
|
| Size (bytes) | 201,807,360 | 37,402,560 |
| Size | 192.5 MB
| 35.7 MB
|
| Events in quadrant A | 2,177,137 | 235,207 |
| Events in quadrant B | 1,423,946 | 242,274 |
| Events in quadrant C | 943,844 | 265,961 |
| Events in quadrant D | 1,430,205 | 244,432 |
Level1 data integrity
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 7875 | 1 |
| B | 0 | 5572 | 1 |
| C | 0 | 4100 | 1 |
| D | 0 | 5567 | 1 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 40 | 0 |
| B | 0 | 40 | 0 |
| C | 0 | 40 | 0 |
| D | 0 | 40 | 0 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 6 | 0 |
| B | 0 | 6 | 0 |
| C | 0 | 6 | 0 |
| D | 0 | 7 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 1982 | 270 | 13.622603% |
| B | 1982 | 117 | 5.903128% |
| C | 1982 | 3 | 0.151362% |
| D | 1982 | 91 | 4.591322% |
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 | 1983 | 1983 | 159 | 159 | 8.02% | 8.02% |  |
| B | 1983 | 1983 | 75 | 75 | 3.78% | 3.78% |  |
| C | 1983 | 1983 | 2 | 2 | 0.10% | 0.10% |  |
| D | 1983 | 1983 | 58 | 58 | 2.92% | 2.92% |  |
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 | 8 | 5 | 1266713 | 26257.84 | 226 | 221 | 48.2 |
| A | 9 | 143 | 12842 | 261.67 | 226 | 221 | 48.2 |
| A | 1 | 162 | 5897 | 117.68 | 226 | 221 | 48.2 |
| B | 4 | 81 | 183951 | 4110.23 | 228 | 223 | 44.7 |
| B | 15 | 204 | 116718 | 2606.14 | 228 | 223 | 44.7 |
| B | 4 | 239 | 113515 | 2534.49 | 228 | 223 | 44.7 |
| C | 3 | 9 | 11392 | 194.45 | 237 | 239 | 57.4 |
| C | 8 | 128 | 3757 | 61.34 | 237 | 239 | 57.4 |
| C | 8 | 112 | 2293 | 35.81 | 237 | 239 | 57.4 |
| D | 1 | 52 | 351683 | 6099.93 | 233 | 227 | 57.6 |
| D | 13 | 172 | 49886 | 861.89 | 233 | 227 | 57.6 |
| D | 2 | 120 | 43502 | 751.09 | 233 | 227 | 57.6 |
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 |  |