Observation information
- date-obs: 2022-05-22
- time-obs: 12:42:03.627400000
- date-end: 2022-05-22
- time-end: 15:12:38.623500000
- obs_id: A11_080T01_9000005146
- exposure: 3158.89850506
- sourceid: Cygnus X-1
- observer: ajayratheesh
- ra_pnt: 299.5903
- dec_pnt: 35.20161
Basic statistics of files
Param |
Original file |
Final file |
Filename | modeM0/AS1A11_080T01_9000005146_35946cztM0_level2.evt
| modeM0/AS1A11_080T01_9000005146_35946cztM0_level2_quad_clean.evt
|
Size (bytes) | 463,080,960 | 74,704,320 |
Size | 441.6 MB
| 71.2 MB
|
Events in quadrant A | 2,756,035 | 487,197 |
Events in quadrant B | 3,713,221 | 476,228 |
Events in quadrant C | 3,053,100 | 473,308 |
Events in quadrant D | 4,127,742 | 439,654 |
Level1 data integrity
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 35 | 0 |
B | 0 | 35 | 0 |
C | 0 | 35 | 0 |
D | 0 | 35 | 0 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 114 | 0 |
B | 0 | 114 | 0 |
C | 0 | 114 | 0 |
D | 0 | 114 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 11384 | 3 |
B | 0 | 14506 | 2 |
C | 0 | 12132 | 2 |
D | 0 | 15716 | 2 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 5511 | 8 | 0.145164% |
B | 5511 | 312 | 5.661404% |
C | 5511 | 122 | 2.213754% |
D | 5511 | 379 | 6.877155% |
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 | 9035 | 5513 | 0 | 0 | 0.00% | 0.00% | |
B | 9035 | 5513 | 223 | 223 | 2.47% | 4.04% | |
C | 9035 | 5513 | 88 | 88 | 0.97% | 1.60% | |
D | 9035 | 5513 | 334 | 334 | 3.70% | 6.06% | |
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 | 171234 | 1264.57 | 662 | 652 | 134.9 |
A | 15 | 169 | 22650 | 163.08 | 662 | 652 | 134.9 |
A | 13 | 254 | 9061 | 62.34 | 662 | 652 | 134.9 |
B | 5 | 172 | 835365 | 6744.82 | 638 | 624 | 123.8 |
B | 4 | 171 | 161219 | 1297.63 | 638 | 624 | 123.8 |
B | 0 | 213 | 100911 | 810.33 | 638 | 624 | 123.8 |
C | 0 | 10 | 307535 | 2083.46 | 631 | 638 | 147.3 |
C | 15 | 214 | 229786 | 1555.64 | 631 | 638 | 147.3 |
C | 14 | 128 | 15990 | 104.22 | 631 | 638 | 147.3 |
D | 12 | 227 | 740123 | 4820.33 | 623 | 608 | 153.4 |
D | 13 | 249 | 238790 | 1552.52 | 623 | 608 | 153.4 |
D | 8 | 195 | 209140 | 1359.26 | 623 | 608 | 153.4 |
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 |
|
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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 | |