Observation information
- date-obs: 2017-11-12
- time-obs: 20:16:15.766500000
- date-end: 2017-11-12
- time-end: 22:42:06.764100000
- obs_id: A04_021T05_9000001686
- exposure: 5698.24596415
- sourceid: M31 Field No. 6
- observer: dleahy
- ra_pnt: 10.85308
- dec_pnt: 40.85233
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A04_021T05_9000001686_11497cztM0_level2.evt
| modeM0/AS1A04_021T05_9000001686_11497cztM0_level2_quad_clean.evt
|
| Size (bytes) | 963,529,920 | 112,550,400 |
| Size | 918.9 MB
| 107.3 MB
|
| Events in quadrant A | 10,312,291 | 649,973 |
| Events in quadrant B | 8,685,661 | 684,652 |
| Events in quadrant C | 3,811,537 | 799,564 |
| Events in quadrant D | 5,817,598 | 702,388 |
Level1 data integrity
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 6 | 0 |
| B | 0 | 6 | 0 |
| C | 0 | 6 | 0 |
| D | 0 | 6 | 0 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 170 | 0 |
| B | 0 | 170 | 0 |
| C | 0 | 170 | 0 |
| D | 0 | 170 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 36390 | 4 |
| B | 0 | 31327 | 3 |
| C | 0 | 17104 | 3 |
| D | 0 | 22834 | 3 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 8211 | 2101 | 25.587626% |
| B | 8211 | 1693 | 20.618682% |
| C | 8211 | 40 | 0.487151% |
| D | 8211 | 651 | 7.928389% |
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 | 8752 | 8217 | 1290 | 1290 | 14.74% | 15.70% |  |
| B | 8752 | 8217 | 1264 | 1264 | 14.44% | 15.38% |  |
| C | 8752 | 8217 | 1 | 1 | 0.01% | 0.01% |  |
| D | 8752 | 8217 | 463 | 463 | 5.29% | 5.63% |  |
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 | 6600768 | 36264.97 | 886 | 866 | 182.0 |
| A | 15 | 174 | 105418 | 574.49 | 886 | 866 | 182.0 |
| A | 9 | 143 | 57795 | 312.81 | 886 | 866 | 182.0 |
| B | 4 | 81 | 3914446 | 22498.3 | 905 | 882 | 173.9 |
| B | 4 | 239 | 808923 | 4645.27 | 905 | 882 | 173.9 |
| B | 11 | 51 | 307447 | 1762.38 | 905 | 882 | 173.9 |
| C | 13 | 61 | 7067 | 26.64 | 976 | 982 | 228.4 |
| C | 12 | 4 | 3939 | 12.95 | 976 | 982 | 228.4 |
| C | 14 | 67 | 2491 | 6.61 | 976 | 982 | 228.4 |
| D | 1 | 52 | 1527334 | 6774.01 | 931 | 905 | 225.3 |
| D | 2 | 120 | 237105 | 1048.21 | 931 | 905 | 225.3 |
| D | 8 | 195 | 187804 | 829.42 | 931 | 905 | 225.3 |
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 |  |