Observation information
- date-obs: 2024-09-19
- time-obs: 02:35:32.806200000
- date-end: 2024-09-19
- time-end: 04:38:43.799700000
- obs_id: A13_037T01_9000006436
- exposure: 5640.94041288
- 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_48549cztM0_level2.fits
| modeM0/AS1A13_037T01_9000006436_48549cztM0_level2_quad_clean.evt
|
Size (bytes) | 384,886,080 | 95,512,320 |
Size | 367.1 MB
| 91.1 MB
|
Events in quadrant A | 5,933,553 | 610,312 |
Events in quadrant B | 2,644,008 | 660,677 |
Events in quadrant C | 2,582,791 | 632,252 |
Events in quadrant D | 2,621,241 | 570,884 |
Level1 data integrity
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 23377 | 1661 |
B | 0 | 12919 | 575 |
C | 0 | 13029 | 579 |
D | 0 | 13138 | 653 |
Mode M9 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 11 | 0 |
B | 0 | 11 | 0 |
C | 0 | 11 | 0 |
D | 0 | 11 | 0 |
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 127 | 7 |
B | 0 | 127 | 5 |
C | 0 | 128 | 8 |
D | 0 | 128 | 6 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 5928 | 193 | 3.255735% |
B | 6013 | 71 | 1.180775% |
C | 6004 | 23 | 0.383078% |
D | 5994 | 23 | 0.383717% |
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 | 7185 | 6009 | 23 | 23 | 0.32% | 0.38% | |
B | 7243 | 6076 | 0 | 0 | 0.00% | 0.00% | |
C | 7263 | 6084 | 0 | 0 | 0.00% | 0.00% | |
D | 7269 | 6067 | 3 | 3 | 0.04% | 0.05% | |
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 | 3455611 | 26063.14 | 632 | 618 | 132.6 |
A | 12 | 189 | 16279 | 118.14 | 632 | 618 | 132.6 |
A | 13 | 254 | 11457 | 81.77 | 632 | 618 | 132.6 |
B | 0 | 155 | 35152 | 269.5 | 651 | 630 | 128.1 |
B | 5 | 255 | 16850 | 126.62 | 651 | 630 | 128.1 |
B | 12 | 111 | 16272 | 122.11 | 651 | 630 | 128.1 |
C | 11 | 16 | 88991 | 584.92 | 638 | 642 | 151.0 |
C | 13 | 61 | 4260 | 23.95 | 638 | 642 | 151.0 |
C | 3 | 233 | 3725 | 20.41 | 638 | 642 | 151.0 |
D | 2 | 165 | 117677 | 746.44 | 629 | 608 | 156.8 |
D | 2 | 249 | 49307 | 310.51 | 629 | 608 | 156.8 |
D | 2 | 234 | 28353 | 176.9 | 629 | 608 | 156.8 |
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 | |