Observation information
- date-obs: 2018-04-06
- time-obs: 21:19:30.882100000
- date-end: 2018-04-07
- time-end: 13:27:47.878900000
- obs_id: G08_083T03_9000002022
- exposure: 27933.8182293
- sourceid: NGC 3621
- observer: stalin
- ra_pnt: 169.5688
- dec_pnt: -32.81417
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1G08_083T03_9000002022cztM0_level2_bc.evt
| modeM0/AS1G08_083T03_9000002022cztM0_level2_quad_clean.evt
|
Size (bytes) | 1,604,289,600 | 605,427,840 |
Size | 1.5 GB
| 577.4 MB
|
Events in quadrant A | 10,132,891 | 3,786,835 |
Events in quadrant B | 11,103,547 | 3,851,590 |
Events in quadrant C | 11,417,678 | 3,766,449 |
Events in quadrant D | 12,645,217 | 3,627,005 |
Level1 data integrity
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 984 | 0 |
B | 0 | 984 | 0 |
C | 0 | 984 | 0 |
D | 0 | 984 | 0 |
Mode M9 |
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 | 99410 | 0 |
B | 0 | 102582 | 0 |
C | 0 | 101165 | 0 |
D | 0 | 104383 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 48173 | 427 | 0.886389% |
B | 48173 | 589 | 1.222677% |
C | 48173 | 406 | 0.842796% |
D | 48173 | 505 | 1.048305% |
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 | 58099 | 48176 | 0 | 0 | 0.00% | 0.00% |  |
B | 58099 | 48176 | 2 | 2 | 0.00% | 0.00% |  |
C | 58099 | 48176 | 0 | 0 | 0.00% | 0.00% |  |
D | 58099 | 48174 | 17 | 17 | 0.03% | 0.04% |  |
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 | 1 | 162 | 45856 | 76.49 | 2610 | 2563 | 566.0 |
A | 12 | 96 | 43511 | 72.35 | 2610 | 2563 | 566.0 |
A | 15 | 69 | 18203 | 27.63 | 2610 | 2563 | 566.0 |
B | 0 | 219 | 454039 | 918.93 | 2650 | 2584 | 491.3 |
B | 0 | 214 | 135257 | 270.05 | 2650 | 2584 | 491.3 |
B | 3 | 64 | 107302 | 213.15 | 2650 | 2584 | 491.3 |
C | 3 | 233 | 1285022 | 2299.54 | 2570 | 2538 | 557.7 |
C | 14 | 234 | 81007 | 140.7 | 2570 | 2538 | 557.7 |
C | 13 | 61 | 15101 | 22.53 | 2570 | 2538 | 557.7 |
D | 8 | 195 | 1484624 | 2296.39 | 2552 | 2488 | 645.4 |
D | 5 | 222 | 470339 | 724.88 | 2552 | 2488 | 645.4 |
D | 13 | 249 | 248054 | 380.48 | 2552 | 2488 | 645.4 |
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 |  |