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

Statwt Summary Plot

VLASS2.1.sb38602933.eb38631109.59096.27884142361_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 5.397 5.291/6.15 5.52 ± 0.7299
ea02 1342 1342/1342 1342 ± 0.0000425 6.006 5.429/6.589 5.845 ± 0.9477
ea04 1342 1342/1342 1342 ± 0 5.369 5.062/6.124 5.506 ± 0.7392
ea05 1342 1342/1342 1342 ± 0.0000171 5.464 5.053/6.457 5.711 ± 0.7421
ea06 1342 1342/1342 1342 ± 0.000001379 4.894 4.69/5.333 4.896 ± 0.5557
ea07 1342 1342/1342 1342 ± 0.0000425 5.901 5.382/6.335 5.894 ± 0.8533
ea08 1342 1342/1342 1342 ± 0.00004275 6.008 5.534/6.766 5.985 ± 0.9681
ea09 1342 1342/1342 1342 ± 0.00001215 5.737 5.154/6.493 5.592 ± 0.8728
ea10 1342 1342/1342 1342 ± 0.00004272 5.723 5.314/6.791 5.876 ± 0.9246
ea11 1342 1342/1342 1342 ± 0.00004262 5.659 5.134/6.535 5.709 ± 0.9592
ea12 1342 1342/1342 1342 ± 0.000002759 5.655 5.323/6.579 5.809 ± 0.9708
ea13 1342 1342/1342 1342 ± 0.00001403 5.925 5.755/6.46 5.977 ± 0.7943
ea14 1342 1342/1342 1342 ± 0.00001459 5.528 5.08/6.452 5.732 ± 0.7889
ea15 1342 1342/1342 1342 ± 0 5.414 5.154/6.307 5.672 ± 0.8425
ea16 1342 1342/1342 1342 ± 0.00003176 5.956 5.515/6.888 6.136 ± 0.9268
ea17 1342 1342/1342 1342 ± 0.00004316 5.881 5.551/6.718 5.894 ± 0.9168
ea18 1342 1342/1342 1342 ± 0.0000307 5.058 4.648/5.722 5.075 ± 0.7054
ea19 1342 1342/1342 1342 ± 0.00001137 5.782 5.49/6.855 6.085 ± 0.8368
ea20 1342 1342/1342 1342 ± 0.00001383 5.883 5.695/7.122 6.076 ± 1.055
ea21 1342 1342/1342 1342 ± 0.00002597 5.536 5.337/6.362 5.753 ± 0.7358
ea22 1342 1342/1342 1342 ± 0.0000427 5.383 5.151/6.351 5.538 ± 0.8687
ea23 1342 1342/1342 1342 ± 0.00004204 5.772 5.468/6.65 5.972 ± 0.8971
ea25 1342 1342/1342 1342 ± 0.00004272 5.396 5.231/6.352 5.53 ± 0.8202
ea26 1342 1342/1342 1342 ± 0.000009813 5.882 5.618/7.027 6.039 ± 0.9196
ea27 1342 1342/1342 1342 ± 0.00004281 5.553 5.178/6.536 5.67 ± 0.832
ea28 1342 1342/1342 1342 ± 0.00004305 5.682 5.404/6.556 5.78 ± 0.84
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 ± 0.00002361 5.503 5.32/5.763 5.53 ± 0.2596
5 1342 1342/1342 1342 ± 0.00002385 5.374 5.117/5.562 5.373 ± 0.3136
6 1342 1342/1342 1342 ± 0.00002361 5.317 5.134/5.488 5.299 ± 0.2882
7 1342 1342/1342 1342 ± 0.00002361 5.354 5.224/5.494 5.352 ± 0.2754
8 1342 1342/1342 1342 ± 0.00002361 5.339 5.173/5.496 5.314 ± 0.2803
9 1342 1342/1342 1342 ± 0.00002361 5.615 5.426/5.892 5.602 ± 0.3315
10 1342 1342/1342 1342 ± 0.00002361 6.051 5.843/6.235 6.032 ± 0.3227
11 1342 1342/1342 1342 ± 0.00002361 6.369 6.206/6.496 6.31 ± 0.3395
12 1342 1342/1342 1342 ± 0.00002361 6.546 6.355/6.743 6.513 ± 0.3748
13 1342 1342/1342 1342 ± 0.00002361 6.893 6.63/7.058 6.837 ± 0.4043
14 1342 1342/1342 1342 ± 0.00002556 6.914 6.494/7.142 6.823 ± 0.5128
15 1342 1342/1342 1342 ± 0.00002361 6.923 6.68/7.146 6.834 ± 0.4846
16 1342 1342/1342 1342 ± 0.00006072 4.19 4.007/4.451 4.245 ± 0.3289
17 1342 1342/1342 1342 ± 0.000061 4.249 4.054/4.55 4.312 ± 0.3513
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS2.1.sb38602933.eb38631109.59096.27884142361_split_split.ms
output_dir
 
datacolumn
residual_data
Start time
2024-11-01 14:06:55.385
End
2024-11-01 14:49:08.664
Duration
0:42:13.279
Note, WebLog generation is not included in the time.

CASA logs for stage 8