Observation information
- date-obs: 2017-11-09
- time-obs: 07:11:34.674300000
- date-end: 2017-11-09
- time-end: 09:20:46.680400000
- obs_id: A04_021T02_9000001676
- exposure: 3412.08615946
- sourceid: M31 Field No. 3
- observer: dleahy
- ra_pnt: 10.34596
- dec_pnt: 40.95242
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1A04_021T02_9000001676_11444cztM0_level2.evt
| modeM0/AS1A04_021T02_9000001676_11444cztM0_level2_quad_clean.evt
|
| Size (bytes) | 501,860,160 | 71,369,280 |
| Size | 478.6 MB
| 68.1 MB
|
| Events in quadrant A | 3,788,609 | 413,368 |
| Events in quadrant B | 4,431,675 | 408,354 |
| Events in quadrant C | 3,109,770 | 450,620 |
| Events in quadrant D | 3,411,518 | 419,052 |
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 | 11 | 0 |
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 136 | 0 |
| B | 0 | 136 | 0 |
| C | 0 | 136 | 0 |
| D | 0 | 136 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 15519 | 3 |
| B | 0 | 17438 | 2 |
| C | 0 | 13747 | 2 |
| D | 0 | 14730 | 2 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6736 | 159 | 2.360451% |
| B | 6736 | 350 | 5.195962% |
| C | 6736 | 44 | 0.653207% |
| D | 6736 | 82 | 1.217340% |
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 | 7707 | 6738 | 43 | 43 | 0.56% | 0.64% |  |
| B | 7707 | 6738 | 142 | 142 | 1.84% | 2.11% |  |
| C | 7707 | 6738 | 0 | 0 | 0.00% | 0.00% |  |
| D | 7707 | 6738 | 31 | 31 | 0.40% | 0.46% |  |
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 | 9 | 143 | 181141 | 1088.07 | 808 | 788 | 165.8 |
| A | 1 | 162 | 163825 | 983.6 | 808 | 788 | 165.8 |
| A | 1 | 178 | 109825 | 657.82 | 808 | 788 | 165.8 |
| B | 4 | 239 | 1104650 | 7197.39 | 802 | 781 | 153.4 |
| B | 0 | 219 | 60677 | 390.53 | 802 | 781 | 153.4 |
| B | 15 | 204 | 50408 | 323.58 | 802 | 781 | 153.4 |
| C | 13 | 61 | 5820 | 27.16 | 797 | 802 | 184.8 |
| C | 12 | 4 | 2752 | 10.55 | 797 | 802 | 184.8 |
| C | 14 | 234 | 2286 | 8.03 | 797 | 802 | 184.8 |
| D | 2 | 120 | 131318 | 692.58 | 788 | 767 | 188.5 |
| D | 13 | 104 | 65031 | 340.92 | 788 | 767 | 188.5 |
| D | 10 | 253 | 61582 | 322.63 | 788 | 767 | 188.5 |
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 |  |