Observation information
- date-obs: 2022-08-26
- time-obs: 09:05:19.551300000
- date-end: 2022-08-26
- time-end: 11:22:42.547700000
- obs_id: T05_048T01_9000005318
- exposure: 4231.53871597
- 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/AS1T05_048T01_9000005318_37365cztM0_level2.evt
| modeM0/AS1T05_048T01_9000005318_37365cztM0_level2_quad_clean.evt
|
Size (bytes) | 627,724,800 | 80,824,320 |
Size | 598.6 MB
| 77.1 MB
|
Events in quadrant A | 2,756,445 | 542,406 |
Events in quadrant B | 3,810,290 | 531,757 |
Events in quadrant C | 2,935,301 | 555,769 |
Events in quadrant D | 9,138,504 | 433,287 |
Level1 data integrity
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 11572 | 3 |
B | 0 | 14848 | 2 |
C | 0 | 12053 | 2 |
D | 0 | 31007 | 2 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 112 | 0 |
B | 0 | 112 | 0 |
C | 0 | 112 | 0 |
D | 0 | 112 | 0 |
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 27 | 0 |
B | 0 | 27 | 0 |
C | 0 | 27 | 0 |
D | 0 | 28 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 5475 | 11 | 0.200913% |
B | 5475 | 413 | 7.543379% |
C | 5475 | 58 | 1.059361% |
D | 5475 | 1637 | 29.899543% |
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 | 7087 | 5476 | 3 | 3 | 0.04% | 0.05% |  |
B | 7087 | 5476 | 317 | 317 | 4.47% | 5.79% |  |
C | 7087 | 5476 | 47 | 47 | 0.66% | 0.86% |  |
D | 7087 | 5476 | 1763 | 1763 | 24.88% | 32.20% |  |
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 | 10 | 83 | 286036 | 2263.19 | 624 | 612 | 126.1 |
A | 13 | 248 | 29449 | 228.65 | 624 | 612 | 126.1 |
A | 13 | 6 | 14755 | 112.14 | 624 | 612 | 126.1 |
B | 5 | 172 | 1205667 | 10262.11 | 606 | 590 | 117.4 |
B | 5 | 255 | 85294 | 721.32 | 606 | 590 | 117.4 |
B | 0 | 190 | 39230 | 329.05 | 606 | 590 | 117.4 |
C | 15 | 214 | 233021 | 1645.41 | 606 | 609 | 141.2 |
C | 1 | 23 | 214029 | 1510.95 | 606 | 609 | 141.2 |
C | 0 | 10 | 66486 | 466.39 | 606 | 609 | 141.2 |
D | 12 | 235 | 6349893 | 46484.2 | 550 | 533 | 136.6 |
D | 12 | 227 | 459753 | 3361.99 | 550 | 533 | 136.6 |
D | 10 | 199 | 46496 | 336.5 | 550 | 533 | 136.6 |
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 |  |