Observation information
- date-obs: 2024-09-21
- time-obs: 01:15:39.665100000
- date-end: 2024-09-21
- time-end: 03:33:47.657600000
- obs_id: A13_037T01_9000006436
- exposure: 5228.06493318
- 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_9000006436_48578cztM0_level2.fits
| modeM0/AS1A13_037T01_9000006436_48578cztM0_level2_quad_clean.evt
|
Size (bytes) | 553,150,080 | 99,167,040 |
Size | 527.5 MB
| 94.6 MB
|
Events in quadrant A | 6,635,352 | 673,957 |
Events in quadrant B | 3,784,737 | 689,831 |
Events in quadrant C | 2,659,569 | 689,593 |
Events in quadrant D | 6,903,645 | 505,873 |
Level1 data integrity
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 24143 | 4 |
B | 0 | 15893 | 2 |
C | 0 | 12893 | 2 |
D | 0 | 25301 | 2 |
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 18 | 0 |
B | 0 | 19 | 0 |
C | 0 | 19 | 0 |
D | 0 | 19 | 0 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 130 | 0 |
B | 0 | 130 | 0 |
C | 0 | 130 | 0 |
D | 0 | 130 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 6352 | 219 | 3.447733% |
B | 6352 | 360 | 5.667506% |
C | 6352 | 8 | 0.125945% |
D | 6352 | 1267 | 19.946474% |
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 | 7507 | 6353 | 92 | 92 | 1.23% | 1.45% | |
B | 7507 | 6353 | 217 | 217 | 2.89% | 3.42% | |
C | 7507 | 6353 | 0 | 0 | 0.00% | 0.00% | |
D | 7507 | 6353 | 1273 | 1273 | 16.96% | 20.04% | |
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 | 3942037 | 27869.99 | 683 | 670 | 141.4 |
A | 0 | 31 | 28572 | 197.3 | 683 | 670 | 141.4 |
A | 13 | 248 | 27944 | 192.86 | 683 | 670 | 141.4 |
B | 12 | 16 | 991723 | 7372.69 | 681 | 658 | 134.4 |
B | 5 | 255 | 66189 | 487.5 | 681 | 658 | 134.4 |
B | 0 | 183 | 20946 | 150.93 | 681 | 658 | 134.4 |
C | 13 | 61 | 4363 | 22.69 | 681 | 684 | 162.1 |
C | 12 | 250 | 2564 | 11.6 | 681 | 684 | 162.1 |
C | 14 | 67 | 2278 | 9.83 | 681 | 684 | 162.1 |
D | 2 | 165 | 4376400 | 28695.68 | 607 | 587 | 152.5 |
D | 13 | 171 | 103711 | 676.27 | 607 | 587 | 152.5 |
D | 5 | 171 | 38079 | 245.86 | 607 | 587 | 152.5 |
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 | |