Observation information
- date-obs: 2016-11-21
- time-obs: 10:05:33.326000000
- date-end: 2016-11-21
- time-end: 19:10:09.258300000
- obs_id: A02_046T01_9000000814
- exposure: 21825.4542749
- sourceid: Holmberg-II X-I
- observer: rita
- ra_pnt: 124.5404
- dec_pnt: 70.69764
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1A02_046T01_9000000814cztM0_level2_bc.evt
| modeM0/AS1A02_046T01_9000000814cztM0_level2_quad_clean.evt
|
Size (bytes) | 819,475,200 | 421,344,000 |
Size | 781.5 MB
| 401.8 MB
|
Events in quadrant A | 7,301,294 | 2,808,583 |
Events in quadrant B | 5,154,686 | 2,845,645 |
Events in quadrant C | 4,570,809 | 2,825,174 |
Events in quadrant D | 6,231,386 | 2,714,306 |
Level1 data integrity
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 46 | 0 |
B | 0 | 46 | 0 |
C | 0 | 46 | 0 |
D | 0 | 46 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 54522 | 0 |
B | 0 | 48636 | 0 |
C | 0 | 46598 | 0 |
D | 0 | 50852 | 0 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 468 | 0 |
B | 0 | 468 | 0 |
C | 0 | 466 | 0 |
D | 0 | 468 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 22794 | 499 | 2.189173% |
B | 22797 | 378 | 1.658113% |
C | 22796 | 250 | 1.096684% |
D | 22794 | 318 | 1.395104% |
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 | 32677 | 22796 | 20 | 20 | 0.06% | 0.09% |  |
B | 32677 | 22796 | 9 | 9 | 0.03% | 0.04% |  |
C | 32677 | 22796 | 0 | 0 | 0.00% | 0.00% |  |
D | 32677 | 22797 | 5 | 5 | 0.02% | 0.02% |  |
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 | 13 | 34 | 2254954 | 8729.94 | 1176 | 1153 | 258.2 |
A | 8 | 15 | 244705 | 943.38 | 1176 | 1153 | 258.2 |
A | 0 | 31 | 223495 | 861.23 | 1176 | 1153 | 258.2 |
B | 0 | 219 | 171169 | 759.78 | 1184 | 1155 | 223.8 |
B | 15 | 204 | 157983 | 700.86 | 1184 | 1155 | 223.8 |
B | 0 | 214 | 75648 | 332.91 | 1184 | 1155 | 223.8 |
C | 1 | 16 | 18732 | 68.3 | 1159 | 1143 | 257.5 |
C | 8 | 222 | 10015 | 34.45 | 1159 | 1143 | 257.5 |
C | 13 | 61 | 7371 | 24.18 | 1159 | 1143 | 257.5 |
D | 2 | 63 | 900032 | 3280.34 | 1169 | 1126 | 274.0 |
D | 12 | 221 | 277520 | 1008.63 | 1169 | 1126 | 274.0 |
D | 2 | 136 | 132348 | 478.86 | 1169 | 1126 | 274.0 |
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 |  |