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

Statwt Summary Plot

VLASS2.1.sb38482214.eb38565046.59071.1506340625_split_split.ms

Plot of antenna-based weight vs. antenna or spectral window (before re-weight)

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

Statwt Summary

Summary of before/after-statwt antenna-based weights (Wi) for each antenna. The antenna-based weights are derived from the visibility WEIGHT column: WijWiWj.
Antenna Selection statwt before statwt after
Median 1st/3rd Quartile Mean ± S.Dev. Median 1st/3rd Quartile Mean ± S.Dev.
ea01 1342 1342/1342 1342 ± 0 5.352 5.253/5.979 5.495 ± 0.6965
ea02 1342 1342/1342 1342 ± 0.00004205 5.79 5.381/6.484 5.793 ± 0.8736
ea05 1342 1342/1342 1342 ± 0.00001786 5.513 5.154/6.568 5.798 ± 0.7557
ea06 1342 1342/1342 1342 ± 0.000001244 4.905 4.837/5.44 5.011 ± 0.5407
ea07 1342 1342/1342 1342 ± 0.00004177 5.802 5.339/6.046 5.68 ± 0.7199
ea08 1342 1342/1342 1342 ± 0.00004209 5.88 5.632/6.822 6.036 ± 0.9296
ea09 1342 1342/1342 1342 ± 0.00002773 3.901 3.323/5.837 4.473 ± 1.193
ea10 1342 1342/1342 1342 ± 0.00004202 5.328 5.096/6.396 5.608 ± 0.7829
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.000002156 5.698 5.424/6.652 5.907 ± 0.9352
ea13 1342 1342/1342 1342 ± 0.00002368 5.816 5.693/6.409 5.904 ± 0.7554
ea14 1342 1342/1342 1342 ± 0.00002125 6.617 6.095/7.075 6.288 ± 0.9155
ea15 1342 1342/1342 1342 ± 0 5.418 5.212/6.315 5.698 ± 0.8256
ea16 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea17 1342 1342/1342 1342 ± 0.00004204 5.934 5.609/6.637 5.982 ± 0.8544
ea18 1342 1342/1342 1342 ± 0.00001854 5.005 4.711/5.853 5.153 ± 0.691
ea19 1342 1342/1342 1342 ± 0.0000119 5.643 5.416/6.746 5.977 ± 0.7767
ea20 1342 1342/1342 1342 ± 0.000008942 6 5.777/7.174 6.172 ± 1.006
ea21 1342 1342/1342 1342 ± 0.00002469 5.554 5.349/6.425 5.791 ± 0.7589
ea22 1342 1342/1342 1342 ± 0.00004045 5.332 5.13/6.306 5.504 ± 0.831
ea23 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea25 1342 1342/1342 1342 ± 0 5.364 5.322/5.4 5.357 ± 0.1647
ea26 1342 1342/1342 1342 ± 0.00001811 5.639 5.492/6.673 5.799 ± 0.8166
ea27 1342 1342/1342 1342 ± 0.00004233 5.502 5.182/6.473 5.666 ± 0.785
ea28 1342 1342/1342 1342 ± 0.00005342 6.582 6.161/6.693 6.075 ± 1.027
Summary of before/after-statwt antenna-based weights (Wi) for each spectral window. The antenna-based weights are derived from the visibility WEIGHT column: WijWiWj.
Spw Selection statwt before statwt after
Median 1st/3rd Quartile Mean ± S.Dev. Median 1st/3rd Quartile Mean ± S.Dev.
2 1342 1342/1342 1342 ± 0.00002681 5.44 5.326/5.736 5.406 ± 0.5081
3 1342 1342/1342 1342 ± 0.00002679 5.469 5.181/5.628 5.331 ± 0.5343
5 1342 1342/1342 1342 ± 0.00002709 5.353 5.223/5.589 5.278 ± 0.5478
6 1342 1342/1342 1342 ± 0.00002681 5.361 5.229/5.484 5.25 ± 0.5245
7 1342 1342/1342 1342 ± 0.00002681 5.375 5.167/5.577 5.266 ± 0.5118
8 1342 1342/1342 1342 ± 0.00002681 5.359 5.144/5.41 5.193 ± 0.5205
9 1342 1342/1342 1342 ± 0.00002681 5.608 5.468/5.835 5.485 ± 0.6008
10 1342 1342/1342 1342 ± 0.00002618 6.108 5.848/6.167 6.019 ± 0.3485
11 1342 1342/1342 1342 ± 0.00002618 6.389 6.301/6.514 6.315 ± 0.3713
12 1342 1342/1342 1342 ± 0.00002618 6.604 6.296/6.688 6.49 ± 0.3861
13 1342 1342/1342 1342 ± 0.00002618 6.745 6.468/7.083 6.74 ± 0.4272
14 1342 1342/1342 1342 ± 0.00002879 6.758 6.29/7.138 6.712 ± 0.5312
15 1342 1342/1342 1342 ± 0.00002618 6.766 6.627/7.054 6.722 ± 0.4667
16 1342 1342/1342 1342 ± 0.00006096 4.303 4.12/4.48 4.345 ± 0.3143
17 1342 1342/1342 1342 ± 0.00006103 4.278 4.101/4.477 4.322 ± 0.3332
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
vis
VLASS2.1.sb38482214.eb38565046.59071.1506340625_split_split.ms
datacolumn
residual_data
Start time
2024-04-22 03:41:48.939
End
2024-04-22 04:32:57.518
Duration
0:51:08.579
Note, WebLog generation is not included in the time.

CASA logs for stage 7