Observation information
- date-obs: 2019-03-08
- time-obs: 22:29:18.375100000
- date-end: 2019-03-09
- time-end: 02:11:15.380900000
- obs_id: A05_176T03_9000002778
- exposure: 7000.60220034
- sourceid: NGC4841Aoffset
- observer: renbin
- ra_pnt: 194.3009
- dec_pnt: 28.49237
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1A05_176T03_9000002778cztM0_level2_bc.evt
| modeM0/AS1A05_176T03_9000002778cztM0_level2_quad_clean.evt
|
Size (bytes) | 381,853,440 | 145,330,560 |
Size | 364.2 MB
| 138.6 MB
|
Events in quadrant A | 2,587,794 | 884,551 |
Events in quadrant B | 2,514,810 | 911,763 |
Events in quadrant C | 2,593,042 | 884,285 |
Events in quadrant D | 3,020,030 | 867,503 |
Level1 data integrity
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 10 | 0 |
B | 0 | 10 | 0 |
C | 0 | 10 | 0 |
D | 0 | 10 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 26193 | 0 |
B | 0 | 25914 | 0 |
C | 0 | 26847 | 0 |
D | 0 | 27083 | 0 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 250 | 0 |
B | 0 | 250 | 0 |
C | 0 | 250 | 0 |
D | 0 | 250 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 12343 | 147 | 1.190958% |
B | 12343 | 178 | 1.442113% |
C | 12343 | 323 | 2.616868% |
D | 12343 | 130 | 1.053229% |
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 | 13318 | 12343 | 0 | 0 | 0.00% | 0.00% |  |
B | 13318 | 12343 | 0 | 0 | 0.00% | 0.00% |  |
C | 13318 | 12343 | 1 | 1 | 0.01% | 0.01% |  |
D | 13318 | 12343 | 41 | 41 | 0.31% | 0.33% |  |
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 | 9 | 143 | 111119 | 793.49 | 629 | 614 | 139.3 |
A | 0 | 13 | 36786 | 259.74 | 629 | 614 | 139.3 |
A | 13 | 254 | 19696 | 137.02 | 629 | 614 | 139.3 |
B | 0 | 230 | 41015 | 325.23 | 639 | 621 | 124.2 |
B | 4 | 216 | 11417 | 86.92 | 639 | 621 | 124.2 |
B | 0 | 189 | 8545 | 63.8 | 639 | 621 | 124.2 |
C | 9 | 54 | 192365 | 1310.46 | 614 | 609 | 146.3 |
C | 3 | 233 | 19317 | 127.85 | 614 | 609 | 146.3 |
C | 8 | 128 | 13013 | 84.77 | 614 | 609 | 146.3 |
D | 1 | 52 | 270691 | 1830.42 | 626 | 602 | 147.6 |
D | 14 | 34 | 204291 | 1380.42 | 626 | 602 | 147.6 |
D | 5 | 222 | 62707 | 420.89 | 626 | 602 | 147.6 |
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 |  |