Observation information
- date-obs: 2022-05-19
- time-obs: 17:07:01.758300000
- date-end: 2022-05-19
- time-end: 19:20:15.754100000
- obs_id: A11_080T01_9000005146
- exposure: 4537.71304263
- 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_35904cztM0_level2.evt
| modeM0/AS1A11_080T01_9000005146_35904cztM0_level2_quad_clean.evt
|
Size (bytes) | 466,320,960 | 100,681,920 |
Size | 444.7 MB
| 96.0 MB
|
Events in quadrant A | 2,984,867 | 678,322 |
Events in quadrant B | 3,457,638 | 665,516 |
Events in quadrant C | 3,133,764 | 665,990 |
Events in quadrant D | 4,148,356 | 629,696 |
Level1 data integrity
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 21 | 0 |
B | 0 | 21 | 0 |
C | 0 | 21 | 0 |
D | 0 | 22 | 0 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 118 | 0 |
B | 0 | 118 | 0 |
C | 0 | 118 | 0 |
D | 0 | 118 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 12416 | 3 |
B | 0 | 13939 | 2 |
C | 0 | 12572 | 2 |
D | 0 | 16266 | 2 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 5867 | 12 | 0.204534% |
B | 5867 | 149 | 2.539628% |
C | 5867 | 82 | 1.397648% |
D | 5867 | 182 | 3.102096% |
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 | 7179 | 5868 | 3 | 3 | 0.04% | 0.05% | |
B | 7179 | 5868 | 95 | 95 | 1.32% | 1.62% | |
C | 7179 | 5868 | 46 | 46 | 0.64% | 0.78% | |
D | 7179 | 5868 | 129 | 129 | 1.80% | 2.20% | |
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 | 174189 | 1190.12 | 707 | 694 | 145.8 |
A | 15 | 169 | 53326 | 361.04 | 707 | 694 | 145.8 |
A | 13 | 254 | 10087 | 64.43 | 707 | 694 | 145.8 |
B | 5 | 172 | 476018 | 3572.33 | 692 | 676 | 133.1 |
B | 5 | 255 | 141785 | 1060.47 | 692 | 676 | 133.1 |
B | 0 | 213 | 60791 | 451.78 | 692 | 676 | 133.1 |
C | 15 | 214 | 245813 | 1538.83 | 682 | 689 | 159.3 |
C | 0 | 10 | 221939 | 1388.96 | 682 | 689 | 159.3 |
C | 0 | 207 | 7414 | 42.22 | 682 | 689 | 159.3 |
D | 8 | 195 | 409382 | 2454.19 | 677 | 660 | 166.5 |
D | 2 | 250 | 311658 | 1867.4 | 677 | 660 | 166.5 |
D | 12 | 227 | 282157 | 1690.26 | 677 | 660 | 166.5 |
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 | |