Observation information
- date-obs: 2025-01-04
- time-obs: 01:36:05.603600000
- date-end: 2025-01-04
- time-end: 03:35:06.583600000
- obs_id: C09_003T01_9000006442
- exposure: 25.6081673503
- sourceid: Cas A
- observer: chandrasunil
- ra_pnt: 350.85
- dec_pnt: 58.815
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1C09_003T01_9000006442_50136cztM0_level2.fits
| modeM0/AS1C09_003T01_9000006442_50136cztM0_level2_quad_clean.evt
|
Size (bytes) | 1,521,855,360 | 42,773,760 |
Size | 1.4 GB
| 40.8 MB
|
Events in quadrant A | 16,191,502 | 144,597 |
Events in quadrant B | 5,526,767 | 645,118 |
Events in quadrant C | 16,700,672 | 2,243 |
Events in quadrant D | 17,365,999 | 5,565 |
Level1 data integrity
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 52989 | 0 |
B | 0 | 21342 | 0 |
C | 0 | 54462 | 0 |
D | 0 | 56399 | 7 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 142 | 0 |
B | 0 | 142 | 0 |
C | 0 | 142 | 0 |
D | 0 | 142 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 7142 | 5827 | 81.587791% |
B | 7142 | 746 | 10.445253% |
C | 7142 | 7126 | 99.775973% |
D | 7141 | 7093 | 99.327825% |
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 | 7141 | 7141 | 4934 | 4934 | 69.09% | 69.09% |  |
B | 7142 | 7142 | 493 | 493 | 6.90% | 6.90% |  |
C | 7141 | 7141 | 6334 | 6334 | 88.70% | 88.70% |  |
D | 7140 | 7140 | 6244 | 6244 | 87.45% | 87.45% |  |
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 | 98 | 12080928 | 96223.1 | 483 | 470 | 125.5 |
A | 10 | 253 | 565632 | 4501.62 | 483 | 470 | 125.5 |
A | 12 | 250 | 473567 | 3768.31 | 483 | 470 | 125.5 |
B | 1 | 255 | 873869 | 5933.28 | 693 | 670 | 147.2 |
B | 2 | 176 | 706931 | 4798.96 | 693 | 670 | 147.2 |
B | 0 | 213 | 164240 | 1111.44 | 693 | 670 | 147.2 |
C | 15 | 197 | 5972228 | 99324.19 | 180 | 177 | 60.1 |
C | 4 | 111 | 2540897 | 42255.99 | 180 | 177 | 60.1 |
C | 15 | 164 | 1388231 | 23085.43 | 180 | 177 | 60.1 |
D | 7 | 61 | 5374335 | 61716.96 | 255 | 242 | 87.1 |
D | 15 | 106 | 2328894 | 26742.62 | 255 | 242 | 87.1 |
D | 15 | 58 | 1901858 | 21838.47 | 255 | 242 | 87.1 |
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 |  |