Observation information
- date-obs: 2017-08-20
- time-obs: 10:11:58.316900000
- date-end: 2017-08-20
- time-end: 11:55:06.319300000
- obs_id: G07_011T03_9000001476
- exposure: 3644.84760414
- sourceid: NGC 6822
- observer: askpati
- ra_pnt: 296.2342
- dec_pnt: -14.79758
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1G07_011T03_9000001476_10248cztM0_level2.evt
| modeM0/AS1G07_011T03_9000001476_10248cztM0_level2_quad_clean.evt
|
Size (bytes) | 363,507,840 | 77,293,440 |
Size | 346.7 MB
| 73.7 MB
|
Events in quadrant A | 2,465,980 | 505,734 |
Events in quadrant B | 2,712,441 | 511,868 |
Events in quadrant C | 2,384,428 | 502,871 |
Events in quadrant D | 3,115,754 | 479,653 |
Level1 data integrity
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 98 | 0 |
B | 0 | 98 | 0 |
C | 0 | 98 | 0 |
D | 0 | 98 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 10257 | 1 |
B | 0 | 11052 | 1 |
C | 0 | 10161 | 1 |
D | 0 | 12380 | 1 |
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 14 | 0 |
B | 0 | 14 | 0 |
C | 0 | 14 | 0 |
D | 0 | 14 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 4854 | 66 | 1.359703% |
B | 4854 | 86 | 1.771735% |
C | 4854 | 62 | 1.277297% |
D | 4854 | 113 | 2.327977% |
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 | 6189 | 4854 | 0 | 0 | 0.00% | 0.00% |  |
B | 6189 | 4854 | 9 | 9 | 0.15% | 0.19% |  |
C | 6189 | 4854 | 0 | 0 | 0.00% | 0.00% |  |
D | 6189 | 4855 | 49 | 49 | 0.79% | 1.01% |  |
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 | 8 | 15 | 21717 | 166.0 | 631 | 619 | 127.1 |
A | 13 | 14 | 9074 | 66.53 | 631 | 619 | 127.1 |
A | 0 | 226 | 5834 | 41.03 | 631 | 619 | 127.1 |
B | 11 | 51 | 106794 | 889.27 | 629 | 614 | 119.4 |
B | 10 | 247 | 71664 | 595.05 | 629 | 614 | 119.4 |
B | 4 | 239 | 35575 | 292.8 | 629 | 614 | 119.4 |
C | 0 | 207 | 10872 | 73.25 | 606 | 609 | 140.1 |
C | 14 | 67 | 5486 | 34.81 | 606 | 609 | 140.1 |
C | 14 | 234 | 5406 | 34.24 | 606 | 609 | 140.1 |
D | 8 | 195 | 485198 | 3027.15 | 600 | 591 | 160.1 |
D | 2 | 33 | 131565 | 818.14 | 600 | 591 | 160.1 |
D | 1 | 52 | 93809 | 582.3 | 600 | 591 | 160.1 |
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 |  |