Observation information
- date-obs: 2024-12-09
- time-obs: 16:06:24.119600000
- date-end: 2024-12-09
- time-end: 20:54:56.064800000
- obs_id: A13_037T01_9000006440
- exposure: 16.1434261799
- sourceid: Cygnus X-2
- observer: ranjeev
- ra_pnt: 326.1714
- dec_pnt: 38.32141
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1A13_037T01_9000006440_49761cztM0_level2.fits
| modeM0/AS1A13_037T01_9000006440_49761cztM0_level2_quad_clean.evt
|
Size (bytes) | 2,994,799,680 | 94,541,760 |
Size | 2.8 GB
| 90.2 MB
|
Events in quadrant A | 42,331,370 | 38,150 |
Events in quadrant B | 11,758,950 | 1,641,826 |
Events in quadrant C | 16,475,414 | 1,677 |
Events in quadrant D | 38,984,484 | 14,359 |
Level1 data integrity
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 4 | 0 |
B | 0 | 4 | 0 |
C | 0 | 4 | 0 |
D | 0 | 4 | 0 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 340 | 0 |
B | 0 | 340 | 0 |
C | 0 | 340 | 0 |
D | 0 | 340 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 137267 | 1 |
B | 0 | 46497 | 1 |
C | 0 | 61048 | 8 |
D | 0 | 127331 | 1 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 16902 | 16639 | 98.443971% |
B | 16902 | 574 | 3.396048% |
C | 16900 | 16890 | 99.940828% |
D | 16902 | 16779 | 99.272275% |
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 | 17311 | 16901 | 16290 | 16290 | 94.10% | 96.38% |  |
B | 17312 | 16904 | 418 | 418 | 2.41% | 2.47% |  |
C | 17311 | 16899 | 1012 | 1012 | 5.85% | 5.99% |  |
D | 17312 | 16901 | 13833 | 13833 | 79.90% | 81.85% |  |
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 | 0 | 99 | 10868724 | 58379.46 | 593 | 572 | 186.2 |
A | 10 | 83 | 9578498 | 51448.87 | 593 | 572 | 186.2 |
A | 12 | 50 | 5462499 | 29339.33 | 593 | 572 | 186.2 |
B | 1 | 207 | 1056583 | 2788.84 | 1767 | 1709 | 378.2 |
B | 4 | 21 | 696270 | 1836.26 | 1767 | 1709 | 378.2 |
B | 1 | 255 | 379080 | 997.68 | 1767 | 1709 | 378.2 |
C | 15 | 190 | 3549179 | 56888.12 | 68 | 60 | 62.4 |
C | 15 | 180 | 2904060 | 46547.63 | 68 | 60 | 62.4 |
C | 15 | 163 | 921549 | 14770.36 | 68 | 60 | 62.4 |
D | 7 | 61 | 6111978 | 28699.77 | 427 | 395 | 212.9 |
D | 15 | 106 | 3301954 | 15504.0 | 427 | 395 | 212.9 |
D | 15 | 168 | 3226768 | 15150.93 | 427 | 395 | 212.9 |
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 |  |