Observation information
- date-obs: 2024-01-10
- time-obs: 16:11:33.649800000
- date-end: 2024-01-10
- time-end: 16:38:13.062900000
- obs_id: A13_004T13_9000006022
- exposure: 828.311863482
- 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_9000006022_44806cztM0_level2.fits
| modeM0/AS1A13_004T13_9000006022_44806cztM0_level2_quad_clean.evt
|
Size (bytes) | 196,603,200 | 24,336,000 |
Size | 187.5 MB
| 23.2 MB
|
Events in quadrant A | 2,372,792 | 159,346 |
Events in quadrant B | 952,361 | 189,841 |
Events in quadrant C | 703,515 | 182,738 |
Events in quadrant D | 3,122,267 | 87,055 |
Level1 data integrity
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 8152 | 0 |
B | 0 | 3895 | 0 |
C | 0 | 3256 | 0 |
D | 0 | 10384 | 0 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 32 | 0 |
B | 0 | 32 | 0 |
C | 0 | 32 | 0 |
D | 0 | 32 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 1600 | 371 | 23.187500% |
B | 1601 | 24 | 1.499063% |
C | 1601 | 1 | 0.062461% |
D | 1601 | 848 | 52.966896% |
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 | 1600 | 1600 | 388 | 388 | 24.25% | 24.25% |  |
B | 1601 | 1601 | 22 | 22 | 1.37% | 1.37% |  |
C | 1601 | 1601 | 1 | 1 | 0.06% | 0.06% |  |
D | 1600 | 1600 | 878 | 878 | 54.88% | 54.88% |  |
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 | 223 | 1218522 | 34488.61 | 162 | 158 | 35.3 |
A | 10 | 83 | 475953 | 13468.48 | 162 | 158 | 35.3 |
A | 13 | 248 | 49171 | 1387.43 | 162 | 158 | 35.3 |
B | 0 | 189 | 93327 | 2644.76 | 174 | 170 | 35.2 |
B | 4 | 171 | 61655 | 1745.58 | 174 | 170 | 35.2 |
B | 0 | 168 | 40487 | 1144.61 | 174 | 170 | 35.2 |
C | 2 | 14 | 16900 | 391.23 | 173 | 174 | 42.8 |
C | 1 | 3 | 4910 | 110.78 | 173 | 174 | 42.8 |
C | 12 | 249 | 2155 | 46.34 | 173 | 174 | 42.8 |
D | 13 | 187 | 1144029 | 32326.58 | 134 | 130 | 35.4 |
D | 5 | 235 | 601000 | 16980.58 | 134 | 130 | 35.4 |
D | 13 | 249 | 348106 | 9833.8 | 134 | 130 | 35.4 |
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 |  |