Observation information
- date-obs: 2017-11-05
- time-obs: 07:14:54.717300000
- date-end: 2017-11-05
- time-end: 09:33:01.721200000
- obs_id: A04_022T03_9000001664
- exposure: 3446.99172937
- sourceid: M31 Field No. 9
- observer: dleahy
- ra_pnt: 11.71958
- dec_pnt: 42.20345
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A04_022T03_9000001664_11385cztM0_level2.evt
| modeM0/AS1A04_022T03_9000001664_11385cztM0_level2_quad_clean.evt
|
| Size (bytes) | 588,378,240 | 70,801,920 |
| Size | 561.1 MB
| 67.5 MB
|
| Events in quadrant A | 4,717,630 | 403,089 |
| Events in quadrant B | 4,180,665 | 407,989 |
| Events in quadrant C | 3,126,798 | 449,596 |
| Events in quadrant D | 5,325,187 | 400,777 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 13 | 0 |
| B | 0 | 13 | 0 |
| C | 0 | 13 | 0 |
| D | 0 | 14 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 18457 | 3 |
| B | 0 | 16805 | 2 |
| C | 0 | 14055 | 2 |
| D | 0 | 20534 | 2 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 140 | 0 |
| B | 0 | 140 | 0 |
| C | 0 | 140 | 0 |
| D | 0 | 140 | 0 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6920 | 379 | 5.476879% |
| B | 6920 | 338 | 4.884393% |
| C | 6920 | 49 | 0.708092% |
| D | 6920 | 427 | 6.170520% |
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 | 7735 | 6921 | 194 | 194 | 2.51% | 2.80% |  |
| B | 7735 | 6921 | 181 | 181 | 2.34% | 2.62% |  |
| C | 7735 | 6921 | 0 | 0 | 0.00% | 0.00% |  |
| D | 7735 | 6921 | 294 | 294 | 3.80% | 4.25% |  |
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 | 1581085 | 9614.69 | 800 | 783 | 164.4 |
| A | 8 | 15 | 17444 | 101.37 | 800 | 783 | 164.4 |
| A | 1 | 162 | 14120 | 81.14 | 800 | 783 | 164.4 |
| B | 4 | 239 | 794441 | 5178.58 | 801 | 780 | 153.3 |
| B | 10 | 244 | 176139 | 1144.2 | 801 | 780 | 153.3 |
| B | 0 | 214 | 34808 | 222.03 | 801 | 780 | 153.3 |
| C | 13 | 61 | 5810 | 26.81 | 800 | 804 | 186.7 |
| C | 14 | 234 | 4217 | 18.28 | 800 | 804 | 186.7 |
| C | 14 | 67 | 2485 | 9.0 | 800 | 804 | 186.7 |
| D | 1 | 52 | 1306565 | 7032.84 | 772 | 750 | 185.7 |
| D | 14 | 34 | 329480 | 1770.47 | 772 | 750 | 185.7 |
| D | 10 | 253 | 234219 | 1257.41 | 772 | 750 | 185.7 |
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 |  |