Observation information
- date-obs: 2017-11-11
- time-obs: 01:58:44.771800000
- date-end: 2017-11-11
- time-end: 18:57:23.783300000
- obs_id: A04_021T04_9000001682
- exposure: 34857.1023752
- sourceid: M31 Field No. 5
- observer: dleahy
- ra_pnt: 10.49771
- dec_pnt: 41.62544
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1A04_021T04_9000001682cztM0_level2_bc.evt
| modeM0/AS1A04_021T04_9000001682cztM0_level2_quad_clean.evt
|
Size (bytes) | 2,791,247,040 | 710,357,760 |
Size | 2.6 GB
| 677.4 MB
|
Events in quadrant A | 26,976,840 | 4,311,491 |
Events in quadrant B | 25,942,996 | 4,327,226 |
Events in quadrant C | 10,622,925 | 4,870,804 |
Events in quadrant D | 17,515,864 | 4,501,069 |
Level1 data integrity
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 1038 | 0 |
B | 0 | 1038 | 0 |
C | 0 | 1038 | 0 |
D | 0 | 1038 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 172958 | 0 |
B | 0 | 174622 | 0 |
C | 0 | 105125 | 0 |
D | 0 | 130834 | 0 |
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 102 | 0 |
B | 0 | 102 | 0 |
C | 0 | 102 | 0 |
D | 0 | 102 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 51050 | 6413 | 12.562194% |
B | 51050 | 7315 | 14.329089% |
C | 51050 | 443 | 0.867777% |
D | 51050 | 1955 | 3.829579% |
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 | 61121 | 51051 | 727 | 727 | 1.19% | 1.42% |  |
B | 61121 | 51048 | 154 | 154 | 0.25% | 0.30% |  |
C | 61121 | 51051 | 2 | 2 | 0.00% | 0.00% |  |
D | 61121 | 51049 | 270 | 270 | 0.44% | 0.53% |  |
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 | 16682919 | 30454.32 | 2514 | 2465 | 547.7 |
A | 1 | 162 | 152640 | 274.18 | 2514 | 2465 | 547.7 |
A | 9 | 143 | 132116 | 236.71 | 2514 | 2465 | 547.7 |
B | 4 | 81 | 8917430 | 18690.63 | 2510 | 2447 | 477.0 |
B | 4 | 239 | 3803539 | 7969.15 | 2510 | 2447 | 477.0 |
B | 3 | 64 | 1305275 | 2731.43 | 2510 | 2447 | 477.0 |
C | 14 | 234 | 47832 | 71.66 | 2684 | 2629 | 630.8 |
C | 0 | 207 | 41753 | 62.02 | 2684 | 2629 | 630.8 |
C | 3 | 9 | 28998 | 41.8 | 2684 | 2629 | 630.8 |
D | 1 | 52 | 3695311 | 5953.36 | 2641 | 2542 | 620.3 |
D | 2 | 120 | 869517 | 1397.71 | 2641 | 2542 | 620.3 |
D | 5 | 222 | 511912 | 821.19 | 2641 | 2542 | 620.3 |
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 |  |