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 5.216 5.065/5.888 5.258 ± 0.8174
ea02 1342 1342/1342 1342 ± 0.00004241 5.769 5.253/6.493 5.621 ± 0.9924
ea05 1342 1342/1342 1342 ± 0.00001376 5.425 5.059/6.168 5.521 ± 0.7793
ea06 1342 1342/1342 1342 ± 0.000001447 4.983 4.775/5.561 4.971 ± 0.7165
ea07 1342 1342/1342 1342 ± 0.00004342 5.642 5.215/5.785 5.343 ± 0.7803
ea08 1342 1342/1342 1342 ± 0.0000426 6.051 5.51/6.689 5.865 ± 1.068
ea09 1342 1342/1342 1342 ± 0.00001039 3.98 3.226/5.605 4.364 ± 1.134
ea10 1342 1342/1342 1342 ± 0.0000438 5.301 4.968/6.174 5.366 ± 0.8936
ea11 1342 1342/1342 1342 ± 0 5.829 5.148/6.469 5.859 ± 0.6461
ea12 1342 1342/1342 1342 ± 0.000005416 5.427 5.236/6.408 5.593 ± 1.032
ea13 1342 1342/1342 1342 ± 0.00001617 5.797 5.65/6.323 5.863 ± 0.7705
ea14 1342 1342/1342 1342 ± 0.000019 6.347 5.907/6.459 5.783 ± 1.045
ea15 1342 1342/1342 1342 ± 0 5.302 5.044/6.169 5.489 ± 0.9083
ea16 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea17 1342 1342/1342 1342 ± 0.0000433 5.877 5.328/6.523 5.728 ± 1.021
ea18 1342 1342/1342 1342 ± 0.0000315 4.923 4.361/5.638 4.893 ± 0.8415
ea19 1342 1342/1342 1342 ± 0 5.541 5.367/6.42 5.707 ± 0.8097
ea20 1342 1342/1342 1342 ± 0.00001657 5.86 5.576/6.84 5.91 ± 1.144
ea21 1342 1342/1342 1342 ± 0.00002053 5.544 5.284/6.1 5.478 ± 0.7939
ea22 1342 1342/1342 1342 ± 0.00003175 5.317 4.972/6.365 5.485 ± 0.8698
ea23 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea25 1342 1342/1342 1342 ± 0 5.309 5.204/5.341 5.272 ± 0.158
ea26 1342 1342/1342 1342 ± 0.00002189 5.506 5.278/6.512 5.689 ± 0.8331
ea27 1342 1342/1342 1342 ± 0.00004583 5.381 5.067/6.355 5.428 ± 0.9329
ea28 1342 1342/1342 1342 ± 0.0000535 6.354 5.998/6.503 5.755 ± 1.23
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.
3 1342 1342/1342 1342 ± 0.00002648 5.132 4.788/5.281 5.031 ± 0.5307
5 1342 1342/1342 1342 ± 0.00002647 5.309 5.108/5.404 5.199 ± 0.5425
6 1342 1342/1342 1342 ± 0.00002618 5.315 5.088/5.392 5.182 ± 0.5099
7 1342 1342/1342 1342 ± 0.00002618 5.283 5.091/5.345 5.185 ± 0.4911
8 1342 1342/1342 1342 ± 0.00002618 5.236 5.056/5.412 5.127 ± 0.5165
9 1342 1342/1342 1342 ± 0.00002618 5.513 5.376/5.746 5.419 ± 0.5744
10 1342 1342/1342 1342 ± 0.00002558 5.944 5.722/6.092 5.904 ± 0.3538
11 1342 1342/1342 1342 ± 0.00002558 6.269 6.098/6.355 6.189 ± 0.3409
12 1342 1342/1342 1342 ± 0.00002558 6.421 6.102/6.505 6.318 ± 0.3526
13 1342 1342/1342 1342 ± 0.00002605 6.658 6.235/6.836 6.555 ± 0.3768
14 1342 1342/1342 1342 ± 0.00003246 6.328 5.883/6.719 6.319 ± 0.4959
15 1342 1342/1342 1342 ± 0.00002615 6.574 6.404/6.783 6.51 ± 0.4544
16 1342 1342/1342 1342 ± 0.00006099 3.645 3.502/3.936 3.725 ± 0.2876
17 1342 1342/1342 1342 ± 0.00006043 3.828 3.649/4.057 3.849 ± 0.2911
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38482214.eb38565046.59071.1506340625_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2024-04-22 06:22:27.861
End
2024-04-22 06:58:26.632
Duration
0:35:58.771
Note, WebLog generation is not included in the time.

CASA logs for stage 7