Observation information
- date-obs: 2025-05-03
- time-obs: 04:23:18.484800000
- date-end: 2025-05-03
- time-end: 06:20:34.469800000
- obs_id: C09_011T05_9000006466
- exposure: 6301.06830817
- sourceid: NGC 188
- observer: stalin
- ra_pnt: 12.08
- dec_pnt: 85.15722
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1C09_011T05_9000006466_51905cztM0_level2.fits
| modeM0/AS1C09_011T05_9000006466_51905cztM0_level2_quad_clean.evt
|
Size (bytes) | 603,023,040 | 96,143,040 |
Size | 575.1 MB
| 91.7 MB
|
Events in quadrant A | 6,874,045 | 593,245 |
Events in quadrant B | 5,516,123 | 662,125 |
Events in quadrant C | 4,122,484 | 623,269 |
Events in quadrant D | 5,271,009 | 548,584 |
Level1 data integrity
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 142 | 0 |
B | 0 | 142 | 0 |
C | 0 | 142 | 0 |
D | 0 | 142 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 25292 | 1 |
B | 0 | 21302 | 1 |
C | 0 | 17266 | 1 |
D | 0 | 20794 | 1 |
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 2 | 0 |
B | 0 | 2 | 0 |
C | 0 | 2 | 0 |
D | 0 | 2 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 6946 | 738 | 10.624820% |
B | 6946 | 510 | 7.342355% |
C | 6946 | 117 | 1.684423% |
D | 6946 | 594 | 8.551684% |
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 | 7036 | 6948 | 558 | 558 | 7.93% | 8.03% |  |
B | 7036 | 6948 | 187 | 187 | 2.66% | 2.69% |  |
C | 7036 | 6948 | 63 | 63 | 0.90% | 0.91% |  |
D | 7036 | 6948 | 471 | 471 | 6.69% | 6.78% |  |
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 | 7 | 64 | 1031751 | 6029.5 | 699 | 683 | 171.0 |
A | 12 | 3 | 547536 | 3197.9 | 699 | 683 | 171.0 |
A | 11 | 3 | 494386 | 2887.09 | 699 | 683 | 171.0 |
B | 10 | 254 | 1418244 | 9327.29 | 711 | 688 | 152.0 |
B | 12 | 32 | 429773 | 2823.31 | 711 | 688 | 152.0 |
B | 5 | 172 | 249599 | 1637.79 | 711 | 688 | 152.0 |
C | 15 | 224 | 308541 | 1592.99 | 704 | 698 | 193.2 |
C | 15 | 248 | 155257 | 799.8 | 704 | 698 | 193.2 |
C | 13 | 3 | 149307 | 769.01 | 704 | 698 | 193.2 |
D | 8 | 176 | 715729 | 3759.38 | 680 | 652 | 190.2 |
D | 3 | 12 | 680423 | 3573.76 | 680 | 652 | 190.2 |
D | 2 | 249 | 246931 | 1294.76 | 680 | 652 | 190.2 |
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 |  |