Observation information
- date-obs: 2024-07-21
- time-obs: 15:57:11.438700000
- date-end: 2024-07-21
- time-end: 17:48:20.429000000
- obs_id: A13_082T01_9000006342
- exposure: 3320.43448645
- sourceid: NGC 1399
- observer: pshalima
- ra_pnt: 54.62094
- dec_pnt: -35.45066
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1A13_082T01_9000006342_47667cztM0_level2.fits
| modeM0/AS1A13_082T01_9000006342_47667cztM0_level2_quad_clean.evt
|
Size (bytes) | 278,726,400 | 58,224,960 |
Size | 265.8 MB
| 55.5 MB
|
Events in quadrant A | 4,256,804 | 359,395 |
Events in quadrant B | 1,951,372 | 390,047 |
Events in quadrant C | 1,865,584 | 389,798 |
Events in quadrant D | 1,949,463 | 357,666 |
Level1 data integrity
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 16305 | 906 |
B | 0 | 8759 | 369 |
C | 0 | 8778 | 387 |
D | 0 | 8933 | 408 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 82 | 4 |
B | 0 | 81 | 3 |
C | 0 | 85 | 5 |
D | 0 | 82 | 5 |
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 5 | 1 |
B | 0 | 4 | 0 |
C | 0 | 4 | 0 |
D | 0 | 7 | 3 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 3737 | 411 | 10.998127% |
B | 3775 | 230 | 6.092715% |
C | 3777 | 125 | 3.309505% |
D | 3773 | 149 | 3.949112% |
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 | 6639 | 3792 | 31 | 31 | 0.47% | 0.82% | |
B | 6647 | 3823 | 2 | 2 | 0.03% | 0.05% | |
C | 6647 | 3820 | 21 | 21 | 0.32% | 0.55% | |
D | 6647 | 3823 | 24 | 24 | 0.36% | 0.63% | |
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 | 10 | 83 | 2203186 | 23189.6 | 446 | 436 | 95.0 |
A | 9 | 191 | 217383 | 2283.92 | 446 | 436 | 95.0 |
A | 13 | 248 | 104572 | 1096.3 | 446 | 436 | 95.0 |
B | 0 | 200 | 44827 | 470.35 | 456 | 440 | 94.4 |
B | 0 | 190 | 33475 | 350.06 | 456 | 440 | 94.4 |
B | 5 | 250 | 13740 | 140.94 | 456 | 440 | 94.4 |
C | 14 | 254 | 115716 | 1065.76 | 448 | 450 | 108.2 |
C | 3 | 233 | 3462 | 27.85 | 448 | 450 | 108.2 |
C | 13 | 61 | 3074 | 24.26 | 448 | 450 | 108.2 |
D | 13 | 29 | 78425 | 661.16 | 453 | 437 | 118.0 |
D | 2 | 249 | 29955 | 250.24 | 453 | 437 | 118.0 |
D | 5 | 171 | 27430 | 228.84 | 453 | 437 | 118.0 |
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 | |