Observation information
- date-obs: 2024-12-13
- time-obs: 10:17:12.780400000
- date-end: 2024-12-13
- time-end: 12:23:57.055500000
- obs_id: A13_037T01_9000006440
- exposure: 192.223559499
- 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_49815cztM0_level2.fits
| modeM0/AS1A13_037T01_9000006440_49815cztM0_level2_quad_clean.evt
|
Size (bytes) | 1,439,507,520 | 56,793,600 |
Size | 1.3 GB
| 54.2 MB
|
Events in quadrant A | 13,664,219 | 327,550 |
Events in quadrant B | 4,864,752 | 756,861 |
Events in quadrant C | 16,581,455 | 17,332 |
Events in quadrant D | 17,589,217 | 88,320 |
Level1 data integrity
Mode SS |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 152 | 0 |
B | 0 | 152 | 0 |
C | 0 | 152 | 0 |
D | 0 | 152 | 0 |
Mode M0 |
Quadrant | BADHDUFLAG | Total packets | Discarded packets |
---|
A | 0 | 45738 | 0 |
B | 0 | 19698 | 0 |
C | 0 | 54431 | 5 |
D | 0 | 57382 | 0 |
Data saturation
Quadrant | Total seconds | Saturated seconds | Saturation percentage |
---|
A | 7605 | 4274 | 56.199869% |
B | 7606 | 288 | 3.786484% |
C | 7605 | 7446 | 97.909270% |
D | 7605 | 6790 | 89.283366% |
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 | 7604 | 7604 | 4114 | 4114 | 54.10% | 54.10% |  |
B | 7606 | 7606 | 184 | 184 | 2.42% | 2.42% |  |
C | 7604 | 7604 | 5487 | 5487 | 72.16% | 72.16% |  |
D | 7604 | 7604 | 6309 | 6309 | 82.97% | 82.97% |  |
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 | 5795842 | 39325.01 | 565 | 548 | 147.4 |
A | 4 | 92 | 1392037 | 9442.2 | 565 | 548 | 147.4 |
A | 3 | 99 | 728051 | 4936.6 | 565 | 548 | 147.4 |
B | 4 | 171 | 467011 | 2724.15 | 806 | 780 | 171.1 |
B | 10 | 28 | 317468 | 1850.38 | 806 | 780 | 171.1 |
B | 4 | 206 | 192362 | 1119.4 | 806 | 780 | 171.1 |
C | 15 | 197 | 3948895 | 60758.13 | 194 | 191 | 65.0 |
C | 15 | 147 | 3505446 | 53934.84 | 194 | 191 | 65.0 |
C | 1 | 44 | 2724241 | 41914.56 | 194 | 191 | 65.0 |
D | 7 | 61 | 2931780 | 20948.98 | 450 | 432 | 139.9 |
D | 15 | 185 | 2424507 | 17323.74 | 450 | 432 | 139.9 |
D | 7 | 126 | 2204622 | 15752.32 | 450 | 432 | 139.9 |
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 |  |