Observation information
- date-obs: 2022-02-21
- time-obs: 10:08:45.527000000
- date-end: 2022-02-21
- time-end: 12:27:01.530400000
- obs_id: A11_046T09_9000004952
- exposure: 2285.27967693
- sourceid: NGC4656
- observer: samyaday
- ra_pnt: 190.9897
- dec_pnt: 32.17036
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1A11_046T09_9000004952_34612cztM0_level2.evt
| modeM0/AS1A11_046T09_9000004952_34612cztM0_level2_quad_clean.evt
|
Size (bytes) | 462,441,600 | 53,588,160 |
Size | 441.0 MB
| 51.1 MB
|
Events in quadrant A | 2,633,827 | 322,229 |
Events in quadrant B | 2,958,123 | 325,398 |
Events in quadrant C | 2,904,485 | 319,992 |
Events in quadrant D | 5,165,082 | 299,442 |
Level1 data integrity
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 102 | 0 |
B | 0 | 102 | 0 |
C | 0 | 102 | 0 |
D | 0 | 102 | 0 |
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 32 | 0 |
B | 0 | 32 | 0 |
C | 0 | 32 | 0 |
D | 0 | 33 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 10782 | 3 |
B | 0 | 11735 | 2 |
C | 0 | 11307 | 2 |
D | 0 | 18883 | 2 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 5070 | 60 | 1.183432% |
B | 5070 | 80 | 1.577909% |
C | 5070 | 66 | 1.301775% |
D | 5070 | 444 | 8.757396% |
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 | 7164 | 5071 | 36 | 36 | 0.50% | 0.71% | |
B | 7164 | 5071 | 54 | 54 | 0.75% | 1.06% | |
C | 7164 | 5071 | 39 | 39 | 0.54% | 0.77% | |
D | 7164 | 5071 | 355 | 355 | 4.96% | 7.00% | |
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 | 15 | 169 | 113127 | 883.15 | 638 | 628 | 127.4 |
A | 10 | 83 | 44375 | 343.43 | 638 | 628 | 127.4 |
A | 13 | 254 | 9300 | 68.08 | 638 | 628 | 127.4 |
B | 5 | 172 | 283655 | 2368.44 | 634 | 619 | 119.5 |
B | 10 | 245 | 70434 | 584.21 | 634 | 619 | 119.5 |
B | 4 | 170 | 31241 | 256.24 | 634 | 619 | 119.5 |
C | 15 | 214 | 214848 | 1506.86 | 616 | 621 | 142.2 |
C | 0 | 10 | 183156 | 1283.94 | 616 | 621 | 142.2 |
C | 14 | 67 | 92911 | 649.16 | 616 | 621 | 142.2 |
D | 8 | 195 | 1586556 | 10701.31 | 605 | 586 | 148.2 |
D | 2 | 249 | 677909 | 4570.23 | 605 | 586 | 148.2 |
D | 7 | 223 | 224919 | 1513.68 | 605 | 586 | 148.2 |
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 |
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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 |
|
|
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 | |