Observation information
- date-obs: 2024-12-10
- time-obs: 12:52:57.876500000
- date-end: 2024-12-10
- time-end: 14:57:32.854500000
- obs_id: A13_037T01_9000006440
- exposure: 1009.74406177
- 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_9000006440_49772cztM0_level2.fits
| modeM0/AS1A13_037T01_9000006440_49772cztM0_level2_quad_clean.evt
|
Size (bytes) | 1,499,178,240 | 56,802,240 |
Size | 1.4 GB
| 54.2 MB
|
Events in quadrant A | 18,374,060 | 335,116 |
Events in quadrant B | 5,388,494 | 743,205 |
Events in quadrant C | 15,104,059 | 60,844 |
Events in quadrant D | 16,051,476 | 50,350 |
Level1 data integrity
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 148 | 0 |
B | 0 | 148 | 0 |
C | 0 | 148 | 0 |
D | 0 | 148 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 59726 | 0 |
B | 0 | 21026 | 0 |
C | 0 | 49992 | 0 |
D | 0 | 52864 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 7476 | 6647 | 88.911182% |
B | 7476 | 287 | 3.838951% |
C | 7476 | 7476 | 100.000000% |
D | 7475 | 7475 | 100.000000% |
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 | 7476 | 7476 | 6406 | 6406 | 85.69% | 85.69% |  |
B | 7476 | 7476 | 183 | 183 | 2.45% | 2.45% |  |
C | 7475 | 7475 | 3938 | 3938 | 52.68% | 52.68% |  |
D | 7474 | 7474 | 4692 | 4692 | 62.78% | 62.78% |  |
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 | 0 | 98 | 8632832 | 70985.77 | 400 | 386 | 121.6 |
A | 12 | 50 | 3263548 | 26833.42 | 400 | 386 | 121.6 |
A | 4 | 205 | 730587 | 6004.54 | 400 | 386 | 121.6 |
B | 5 | 172 | 468021 | 2828.0 | 776 | 751 | 165.2 |
B | 0 | 229 | 276533 | 1669.08 | 776 | 751 | 165.2 |
B | 5 | 185 | 176938 | 1066.31 | 776 | 751 | 165.2 |
C | 15 | 197 | 3734957 | 77446.0 | 87 | 83 | 48.2 |
C | 15 | 174 | 2250954 | 46673.85 | 87 | 83 | 48.2 |
C | 15 | 214 | 1757446 | 36440.52 | 87 | 83 | 48.2 |
D | 8 | 129 | 4815240 | 85818.78 | 83 | 75 | 56.1 |
D | 15 | 142 | 3717056 | 66246.28 | 83 | 75 | 56.1 |
D | 15 | 168 | 1919501 | 34209.17 | 83 | 75 | 56.1 |
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 |  |