Observation information
- date-obs: 2023-12-08
- time-obs: 05:54:20.368300000
- date-end: 2023-12-08
- time-end: 08:24:16.361200000
- obs_id: A13_004T13_9000005988
- exposure: 6926.22755092
- sourceid: M31 Field 25
- observer: dleahy
- ra_pnt: 11.54583
- dec_pnt: 42.53889
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1A13_004T13_9000005988_44310cztM0_level2.fits
| modeM0/AS1A13_004T13_9000005988_44310cztM0_level2_quad_clean.evt
|
Size (bytes) | 495,040,320 | 117,354,240 |
Size | 472.1 MB
| 111.9 MB
|
Events in quadrant A | 5,572,554 | 770,865 |
Events in quadrant B | 3,968,169 | 800,385 |
Events in quadrant C | 3,515,680 | 775,366 |
Events in quadrant D | 4,703,091 | 700,052 |
Level1 data integrity
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 22538 | 3 |
B | 0 | 16630 | 3 |
C | 0 | 15608 | 3 |
D | 0 | 18930 | 3 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 148 | 0 |
B | 0 | 148 | 0 |
C | 0 | 148 | 0 |
D | 0 | 148 | 0 |
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 17 | 0 |
B | 0 | 17 | 0 |
C | 0 | 17 | 0 |
D | 0 | 17 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 7281 | 272 | 3.735751% |
B | 7282 | 190 | 2.609173% |
C | 7282 | 96 | 1.318319% |
D | 7282 | 249 | 3.419390% |
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 | 8996 | 7281 | 49 | 49 | 0.54% | 0.67% |  |
B | 8997 | 7284 | 41 | 41 | 0.46% | 0.56% |  |
C | 8997 | 7285 | 37 | 37 | 0.41% | 0.51% |  |
D | 8997 | 7284 | 139 | 139 | 1.54% | 1.91% |  |
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 | 1704374 | 9867.77 | 828 | 811 | 172.6 |
A | 15 | 223 | 565894 | 3273.2 | 828 | 811 | 172.6 |
A | 7 | 3 | 32996 | 186.43 | 828 | 811 | 172.6 |
B | 5 | 255 | 215206 | 1301.72 | 829 | 803 | 164.7 |
B | 0 | 155 | 112291 | 676.89 | 829 | 803 | 164.7 |
B | 0 | 190 | 100131 | 603.06 | 829 | 803 | 164.7 |
C | 14 | 254 | 230520 | 1191.65 | 818 | 824 | 192.8 |
C | 1 | 16 | 27670 | 139.27 | 818 | 824 | 192.8 |
C | 15 | 208 | 23787 | 119.13 | 818 | 824 | 192.8 |
D | 5 | 222 | 469116 | 2305.78 | 809 | 785 | 203.1 |
D | 13 | 249 | 208946 | 1024.86 | 809 | 785 | 203.1 |
D | 1 | 20 | 204424 | 1002.6 | 809 | 785 | 203.1 |
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 |  |