Calculate data weights based on st. dev. within each spw.

Overall results:

Mean: 300.015
Variance: 18354.4

Statwt Summary

In the tables and plots below, the weight properties are shown in the "antenna-based" scale: we first derive the optimized solutions to Wt_bl_ij=Wt_i*Wt_j for individual integrations, where Wt_bl_ij is the "baseline" weight (i.e., the MS WEIGHT column) and Wt_i/Wt_j is the "antenna-based" weight; then we compute and present the statistical properties of the latter values after slicing them along different data axes (antenna, spw, scan). Note that there is a square scale difference between the baseline weights and the antenna-based weights.

The color background present in some table cells highlights spectral windows with a statistical property signficantly deviated from its median over all of the relevant group (spw, scan, antenna):

For values above the median, shades of red are used:

3σ≤dev<4σ

;

4σ≤dev<5σ

;

5σ≤dev<6σ

;

6σ≤dev,

where σ is defined as 1.4826*MAD.

For values below the median, shades of blue are used:

3σ≤dev<4σ

;

4σ≤dev<5σ

;

5σ≤dev<6σ

;

6σ≤dev,

where σ is defined as 1.4826*MAD.



S-band |  Top of page | (Click to Jump)

S-band

Statwt Summary Plot

TDRW0001.sb35624494.eb35628826.58395.23719237269.ms

Plot of antenna-based weight vs. antenna or spectral window (after re-weight, S-band)

Summary of after-statwt antenna-based weights (Wi) for each antenna, Band S. The antenna-based weights are derived from the visibility WEIGHT column: WijWiWj.
Antenna Selection Weight Properties
Median 1st Quartile 3rd Quartile Mean S.Dev. Minimum Maximum
ea01 19.7 17.69 21.65 19.64 2.929 4.769 28.98
ea02 18.64 17.01 20.01 18.42 2.464 2.84 26.77
ea03 17.05 15.45 19.03 17.12 2.684 5.766 26.27
ea04 17.45 16 19.16 17.44 2.53 2.178 24.89
ea05 13.44 12.12 14.81 13.39 1.952 3.178 20.23
ea06 16.2 14.97 17.43 16.06 1.997 2.169 21.75
ea07 18.26 16.5 19.65 17.92 2.564 2.798 25.48
ea08 18.85 16.9 20.45 18.49 2.885 1.713 28.74
ea09 18.63 17.28 20.37 18.67 2.684 1.586 27.86
ea10 18.87 16.17 20.9 18.58 3.013 5.488 28.06
ea11 20.39 19.04 21.74 20.19 2.584 2.864 29.01
ea12 17.83 15.92 20.09 17.9 3.312 4.983 35.4
ea13 17.92 16.23 19.39 17.67 2.494 2.129 24.71
ea14 18.47 16.35 20.88 18.73 3.205 7.13 33.27
ea15 17.04 15.48 18.68 16.95 2.416 1.67 24.68
ea16 16.82 15.38 18.21 16.66 2.364 1.547 25.07
ea17 20.82 19 23.41 20.99 3.262 3.692 31.21
ea18 22.01 19.54 24.28 22.07 3.607 7.804 34.21
ea19 18.54 16.77 20.73 18.67 2.909 4.028 28.97
ea20 18.7 16.96 20.41 18.56 2.843 1.706 26.85
ea21 17.47 15.68 19.07 17.31 2.428 7.664 25.79
ea22 18.82 16.68 20.93 18.7 2.972 1.908 28.34
ea23 18.14 16.17 20.09 18.14 2.903 3.327 29.22
ea24 21.65 19.09 24.37 21.7 3.662 7.569 33.83
ea25 19.94 18.34 21.71 19.88 2.744 2.671 29.4
ea26 19.94 18.22 22.03 19.97 2.971 3.23 28.95
ea28 17.88 16.04 19.95 17.86 2.869 2.036 27.98
Summary of after-statwt antenna-based weights (Wi) for each spectral window. The antenna-based weights are derived from the visibility WEIGHT column: WijWiWj.
Spw Selection Weight Properties
Median 1st Quartile 3rd Quartile Mean S.Dev. Minimum Maximum
2 16.43 15.19 17.87 16.34 2.446 1.706 24.64
3 16.32 15.12 17.69 16.19 2.354 1.615 24.11
4 16.46 15.37 17.76 16.41 2.406 1.547 35.4
5 18.14 16.94 19.46 18 2.495 1.809 26.67
6 19.35 18.06 20.83 19.24 2.67 1.977 28.72
7 20.2 18.88 21.65 20.06 2.765 1.707 31.45
8 20.81 19.33 22.42 20.71 2.935 1.836 31.21
9 20.63 18.49 22.77 20.63 3.648 1.839 34.21
Summary of after-statwt antenna-based weights (Wi) for each scan. The antenna-based weights are derived from the visibility WEIGHT column: WijWiWj.
Scan Selection Weight Properties
Median 1st Quartile 3rd Quartile Mean S.Dev. Minimum Maximum
5 9.666 8.023 11.41 9.697 2.677 1.547 20.18
6 17.23 15.15 19.24 17.14 3.056 7.179 30.8
7 18.36 16.68 20.2 18.47 2.617 9.862 28.81
8 18.11 15.99 19.99 18.09 2.978 7.898 30.84
9 18.64 16.78 20.57 18.68 2.743 10.45 28.94
10 18.38 16.39 20.28 18.51 2.81 10.02 31.49
11 18.8 17.09 20.64 18.91 2.65 10.96 29.8
12 18.45 16.47 20.36 18.56 2.882 9.885 33.13
13 18.87 17.21 20.83 19.05 2.691 11.46 30.17
14 18.61 16.65 20.57 18.73 2.934 6.325 33.36
15 19.26 17.52 21.15 19.42 2.688 12.11 29.68
16 18.79 16.78 20.84 18.92 3.005 6.19 32.34
17 19.09 17.3 21.06 19.24 2.801 7.672 35.4
18 18.73 16.75 20.76 18.9 2.976 10.02 33.83
19 19.06 17.28 21.15 19.26 2.778 11.68 30.07
20 18.6 16.62 20.68 18.79 3.02 8.339 34.21
21 19.03 17.21 21.15 19.21 2.795 9.864 31.16
22 18.71 16.72 20.8 18.9 3.03 8.807 33.75
23 18.79 17.07 20.82 18.99 2.76 11.59 30.86
24 18.75 16.78 20.76 18.92 2.969 10.05 33.73
25 18.86 17.05 20.87 19.02 2.814 10.22 33.27
datacolumn
corrected
output_dir
 
overwrite_modelcol
False
vis
TDRW0001.sb35624494.eb35628826.58395.23719237269.ms
statwtmode
VLA
Start time
2024-01-16 23:30:02.999
End
2024-01-16 23:49:16.054
Duration
0:19:13.055
Note, WebLog generation is not included in the time.

CASA logs for stage 16