Observation information
- date-obs: 2017-05-26
- time-obs: 11:28:27.380400000
- date-end: 2017-05-26
- time-end: 21:45:08.369000000
- obs_id: A03_107T01_9000001246
- exposure: 15083.4726059
- sourceid: 4U 1820-30
- observer: graman
- ra_pnt: 275.9188
- dec_pnt: -30.36128
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1A03_107T01_9000001246cztM0_level2.evt
| modeM0/AS1A03_107T01_9000001246cztM0_level2_quad_clean.evt
|
Size (bytes) | 2,232,815,040 | 290,833,920 |
Size | 2.1 GB
| 277.4 MB
|
Events in quadrant A | 13,472,010 | 1,876,650 |
Events in quadrant B | 24,175,682 | 1,783,360 |
Events in quadrant C | 14,797,096 | 1,820,625 |
Events in quadrant D | 13,655,921 | 1,772,422 |
Level1 data integrity
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 32 | 0 |
B | 0 | 32 | 0 |
C | 0 | 32 | 0 |
D | 0 | 32 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 54431 | 0 |
B | 0 | 87291 | 0 |
C | 0 | 59542 | 0 |
D | 0 | 56329 | 0 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 460 | 0 |
B | 0 | 460 | 0 |
C | 0 | 460 | 0 |
D | 0 | 460 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 22583 | 837 | 3.706328% |
B | 22574 | 5353 | 23.713121% |
C | 22574 | 1446 | 6.405599% |
D | 22571 | 1001 | 4.434894% |
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 | 37002 | 22599 | 363 | 363 | 0.98% | 1.61% |  |
B | 37002 | 22598 | 3859 | 3859 | 10.43% | 17.08% |  |
C | 37002 | 22598 | 833 | 833 | 2.25% | 3.69% |  |
D | 37002 | 22599 | 747 | 747 | 2.02% | 3.31% |  |
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 | 1414101 | 2618.18 | 2656 | 2597 | 539.1 |
A | 5 | 16 | 1244500 | 2303.59 | 2656 | 2597 | 539.1 |
A | 13 | 251 | 520676 | 960.98 | 2656 | 2597 | 539.1 |
B | 0 | 85 | 14133839 | 29535.82 | 2517 | 2459 | 478.4 |
B | 4 | 173 | 87487 | 177.72 | 2517 | 2459 | 478.4 |
B | 0 | 214 | 82245 | 166.76 | 2517 | 2459 | 478.4 |
C | 4 | 254 | 4787017 | 8093.25 | 2559 | 2573 | 591.2 |
C | 4 | 238 | 26142 | 39.87 | 2559 | 2573 | 591.2 |
C | 13 | 61 | 19255 | 28.22 | 2559 | 2573 | 591.2 |
D | 1 | 52 | 1800111 | 2607.73 | 2553 | 2506 | 689.3 |
D | 13 | 29 | 659361 | 952.88 | 2553 | 2506 | 689.3 |
D | 12 | 233 | 555881 | 802.77 | 2553 | 2506 | 689.3 |
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 |  |