Observation information
- date-obs: 2017-06-04
- time-obs: 08:26:30.262200000
- date-end: 2017-06-05
- time-end: 13:18:50.144900000
- obs_id: A03_105T01_9000001268
- exposure: 52140.9234325
- sourceid: 4U 1909+09
- observer: varun
- ra_pnt: 287.4042
- dec_pnt: 9.830278
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1A03_105T01_9000001268cztM0_level2.evt
| modeM0/AS1A03_105T01_9000001268cztM0_level2_quad_clean.evt
|
Size (bytes) | 6,272,288,640 | 1,087,251,840 |
Size | 5.8 GB
| 1.0 GB
|
Events in quadrant A | 51,204,985 | 6,750,674 |
Events in quadrant B | 44,018,340 | 6,828,469 |
Events in quadrant C | 41,600,661 | 6,667,456 |
Events in quadrant D | 47,047,022 | 6,501,748 |
Level1 data integrity
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 209023 | 0 |
B | 0 | 188594 | 0 |
C | 0 | 186082 | 0 |
D | 0 | 201415 | 0 |
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 132 | 0 |
B | 0 | 132 | 0 |
C | 0 | 132 | 0 |
D | 0 | 132 | 0 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 1848 | 0 |
B | 0 | 1846 | 0 |
C | 0 | 1840 | 0 |
D | 0 | 1844 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 90192 | 1871 | 2.074463% |
B | 90199 | 1521 | 1.686271% |
C | 90222 | 986 | 1.092860% |
D | 90136 | 1933 | 2.144537% |
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 | 103941 | 90669 | 350 | 350 | 0.34% | 0.39% |  |
B | 103941 | 90647 | 52 | 52 | 0.05% | 0.06% |  |
C | 103941 | 90672 | 61 | 61 | 0.06% | 0.07% |  |
D | 103941 | 90641 | 848 | 848 | 0.82% | 0.94% |  |
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 | 6564212 | 2987.07 | 10951 | 10742 | 2193.9 |
A | 1 | 162 | 697294 | 312.93 | 10951 | 10742 | 2193.9 |
A | 4 | 2 | 521989 | 233.03 | 10951 | 10742 | 2193.9 |
B | 0 | 214 | 990501 | 466.55 | 10995 | 10749 | 2100.0 |
B | 12 | 111 | 239363 | 108.86 | 10995 | 10749 | 2100.0 |
B | 11 | 111 | 193547 | 87.05 | 10995 | 10749 | 2100.0 |
C | 14 | 234 | 215356 | 83.74 | 10597 | 10647 | 2444.6 |
C | 13 | 61 | 79226 | 28.05 | 10597 | 10647 | 2444.6 |
C | 12 | 4 | 45627 | 14.31 | 10597 | 10647 | 2444.6 |
D | 1 | 52 | 3109294 | 1180.35 | 10548 | 10282 | 2625.5 |
D | 12 | 233 | 1375237 | 519.89 | 10548 | 10282 | 2625.5 |
D | 2 | 14 | 1194069 | 450.88 | 10548 | 10282 | 2625.5 |
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 |  |