Observation information
- date-obs: 2022-04-16
- time-obs: 13:17:02.789800000
- date-end: 2022-04-16
- time-end: 19:03:47.776800000
- obs_id: T05_022T01_9000005070
- exposure: 10714.6502731
- sourceid: 4U 1820-30
- observer: aruberi
- ra_pnt: 275.919
- dec_pnt: -30.36128
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1T05_022T01_9000005070_35415cztM0_level2.evt
| modeM0/AS1T05_022T01_9000005070_35415cztM0_level2_quad_clean.evt
|
Size (bytes) | 1,874,784,960 | 208,085,760 |
Size | 1.7 GB
| 198.4 MB
|
Events in quadrant A | 7,392,867 | 1,425,332 |
Events in quadrant B | 28,128,577 | 1,046,053 |
Events in quadrant C | 8,499,428 | 1,415,811 |
Events in quadrant D | 11,703,177 | 1,331,914 |
Level1 data integrity
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 32122 | 5 |
B | 0 | 94240 | 4 |
C | 0 | 34632 | 4 |
D | 0 | 45167 | 4 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 320 | 0 |
B | 0 | 320 | 0 |
C | 0 | 320 | 0 |
D | 0 | 320 | 0 |
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 51 | 0 |
B | 0 | 51 | 0 |
C | 0 | 51 | 0 |
D | 0 | 52 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 15661 | 25 | 0.159632% |
B | 15661 | 8990 | 57.403742% |
C | 15661 | 202 | 1.289828% |
D | 15661 | 653 | 4.169593% |
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 | 19840 | 15664 | 0 | 0 | 0.00% | 0.00% | |
B | 19840 | 15664 | 7756 | 7756 | 39.09% | 49.51% | |
C | 19840 | 15664 | 133 | 133 | 0.67% | 0.85% | |
D | 19840 | 15664 | 460 | 460 | 2.32% | 2.94% | |
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 | 10 | 83 | 314033 | 860.81 | 1814 | 1776 | 362.7 |
A | 13 | 6 | 45734 | 121.18 | 1814 | 1776 | 362.7 |
A | 13 | 254 | 25352 | 64.99 | 1814 | 1776 | 362.7 |
B | 5 | 236 | 5118715 | 20694.22 | 1288 | 1253 | 247.3 |
B | 4 | 251 | 4596424 | 18582.16 | 1288 | 1253 | 247.3 |
B | 5 | 31 | 4072697 | 16464.29 | 1288 | 1253 | 247.3 |
C | 15 | 214 | 631357 | 1538.28 | 1766 | 1778 | 409.3 |
C | 0 | 10 | 579059 | 1410.5 | 1766 | 1778 | 409.3 |
C | 0 | 207 | 336401 | 817.6 | 1766 | 1778 | 409.3 |
D | 7 | 80 | 1160040 | 2733.05 | 1739 | 1692 | 423.8 |
D | 8 | 195 | 1123274 | 2646.3 | 1739 | 1692 | 423.8 |
D | 13 | 249 | 619040 | 1456.59 | 1739 | 1692 | 423.8 |
Detector plane histogram (DPH)
Histogram calculated using DETX and DETY for each event in the final _common_clean file
Quadrant A |
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Quadrant B |
Quadrant D |
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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 |
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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 | |