Observation information
- date-obs: 2019-08-14
- time-obs: 23:03:07.883800000
- date-end: 2019-08-15
- time-end: 01:14:30.884400000
- obs_id: T03_131T01_9000003090
- exposure: 3787.41173808
- sourceid: SAX J1808-3658
- observer: an.sanna
- ra_pnt: 272.1147
- dec_pnt: -36.97897
Basic statistics of files
| Param |
Original file |
Final file |
| Filename | modeM0/AS1T03_131T01_9000003090_20972cztM0_level2.evt
| modeM0/AS1T03_131T01_9000003090_20972cztM0_level2_quad_clean.evt
|
| Size (bytes) | 460,811,520 | 90,495,360 |
| Size | 439.5 MB
| 86.3 MB
|
| Events in quadrant A | 3,055,950 | 583,678 |
| Events in quadrant B | 3,222,458 | 604,989 |
| Events in quadrant C | 3,154,770 | 580,069 |
| Events in quadrant D | 4,100,494 | 537,864 |
Level1 data integrity
| Mode SS |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 126 | 0 |
| B | 0 | 126 | 0 |
| C | 0 | 126 | 0 |
| D | 0 | 126 | 0 |
| Mode M9 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 16 | 0 |
| B | 0 | 17 | 0 |
| C | 0 | 17 | 0 |
| D | 0 | 17 | 0 |
| Mode M0 |
| Quadrant | BADHDUFLAG | Total packets | Discarded packets |
|---|
| A | 0 | 12891 | 2 |
| B | 0 | 13316 | 2 |
| C | 0 | 13060 | 2 |
| D | 0 | 16296 | 2 |
Data saturation
| Quadrant | Total seconds | Saturated seconds | Saturation percentage |
|---|
| A | 6218 | 7 | 0.112576% |
| B | 6217 | 18 | 0.289529% |
| C | 6217 | 28 | 0.450378% |
| D | 6217 | 255 | 4.101657% |
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 | 7518 | 6219 | 0 | 0 | 0.00% | 0.00% |  |
| B | 7517 | 6218 | 4 | 4 | 0.05% | 0.06% |  |
| C | 7517 | 6218 | 0 | 0 | 0.00% | 0.00% |  |
| D | 7517 | 6217 | 299 | 299 | 3.98% | 4.81% |  |
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 | 0 | 226 | 6891 | 38.36 | 795 | 780 | 159.3 |
| A | 3 | 137 | 6283 | 34.54 | 795 | 780 | 159.3 |
| A | 12 | 194 | 5617 | 30.36 | 795 | 780 | 159.3 |
| B | 3 | 64 | 28863 | 184.08 | 806 | 787 | 152.5 |
| B | 12 | 111 | 17521 | 109.72 | 806 | 787 | 152.5 |
| B | 11 | 111 | 15157 | 94.22 | 806 | 787 | 152.5 |
| C | 14 | 238 | 122326 | 680.96 | 771 | 777 | 178.5 |
| C | 9 | 54 | 18641 | 100.08 | 771 | 777 | 178.5 |
| C | 7 | 247 | 5797 | 28.12 | 771 | 777 | 178.5 |
| D | 1 | 52 | 998961 | 5427.75 | 760 | 740 | 183.9 |
| D | 15 | 0 | 136000 | 735.47 | 760 | 740 | 183.9 |
| D | 9 | 1 | 48028 | 257.12 | 760 | 740 | 183.9 |
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 |  |