Observation information
- date-obs: 2019-12-16
- time-obs: 11:32:15.744900000
- date-end: 2019-12-17
- time-end: 13:01:35.778700000
- obs_id: A07_054T01_9000003370
- exposure: 78440.1121925
- sourceid: Holmber II X-1
- observer: rita
- ra_pnt: 124.8708
- dec_pnt: 70.70536
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1A07_054T01_9000003370cztM0_level2_bc.evt
| modeM0/AS1A07_054T01_9000003370cztM0_level2_quad_clean.evt
|
Size (bytes) | 2,920,040,640 | 1,567,336,320 |
Size | 2.7 GB
| 1.5 GB
|
Events in quadrant A | 17,058,377 | 10,907,852 |
Events in quadrant B | 17,605,420 | 10,846,096 |
Events in quadrant C | 16,094,805 | 10,268,279 |
Events in quadrant D | 32,280,614 | 10,028,406 |
Level1 data integrity
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 162594 | 0 |
B | 0 | 165342 | 0 |
C | 0 | 162641 | 0 |
D | 0 | 218366 | 0 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 1614 | 0 |
B | 0 | 1614 | 0 |
C | 0 | 1614 | 0 |
D | 0 | 1614 | 0 |
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 125 | 0 |
B | 0 | 125 | 0 |
C | 0 | 125 | 0 |
D | 0 | 125 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 79175 | 518 | 0.654247% |
B | 79175 | 763 | 0.963688% |
C | 79175 | 1017 | 1.284496% |
D | 79175 | 4167 | 5.263025% |
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 | 91760 | 79174 | 0 | 0 | 0.00% | 0.00% |  |
B | 91760 | 79175 | 3 | 3 | 0.00% | 0.00% |  |
C | 91760 | 79175 | 1 | 1 | 0.00% | 0.00% |  |
D | 91760 | 79173 | 536 | 536 | 0.58% | 0.68% |  |
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 | 254 | 139692 | 143.23 | 4364 | 4302 | 945.3 |
A | 13 | 252 | 133462 | 136.64 | 4364 | 4302 | 945.3 |
A | 11 | 47 | 94501 | 95.42 | 4364 | 4302 | 945.3 |
B | 0 | 190 | 313142 | 380.18 | 4323 | 4234 | 812.5 |
B | 0 | 230 | 211765 | 255.41 | 4323 | 4234 | 812.5 |
B | 0 | 229 | 131497 | 156.62 | 4323 | 4234 | 812.5 |
C | 0 | 207 | 95796 | 95.11 | 4102 | 4097 | 964.2 |
C | 10 | 22 | 88344 | 87.38 | 4102 | 4097 | 964.2 |
C | 2 | 16 | 73182 | 71.65 | 4102 | 4097 | 964.2 |
D | 1 | 52 | 12655119 | 12832.9 | 4189 | 4059 | 985.8 |
D | 13 | 172 | 744434 | 751.02 | 4189 | 4059 | 985.8 |
D | 2 | 152 | 664169 | 669.6 | 4189 | 4059 | 985.8 |
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 |  |