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

Statwt Summary Plot

VLASS2.1.sb38508014.eb38518655.59051.788119143515_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 5.404 5.233/6.137 5.671 ± 0.5385
ea02 1342 1342/1342 1342 ± 0.00003156 5.807 5.331/6.461 5.949 ± 0.614
ea04 1342 1342/1342 1342 ± 0 5.251 4.882/5.893 5.419 ± 0.5694
ea05 1342 1342/1342 1342 ± 0 5.677 5.331/6.487 5.835 ± 0.6426
ea06 1342 1342/1342 1342 ± 0.000001179 4.979 4.754/5.628 5.178 ± 0.5218
ea07 1342 1342/1342 1342 ± 0.00003738 5.726 5.246/6.137 5.797 ± 0.6528
ea08 1342 1342/1342 1342 ± 0.00001439 5.704 5.472/6.534 6.005 ± 0.5903
ea09 1342 1342/1342 1342 ± 0 5.333 4.947/5.755 5.362 ± 0.4738
ea10 1342 1342/1342 1342 ± 0.00004108 4.995 4.579/5.625 5.094 ± 0.5314
ea11 1342 1342/1342 1342 ± 0.0000389 5.925 5.323/6.478 5.943 ± 0.701
ea12 1342 1342/1342 1342 ± 0.000007037 5.412 5.167/6.011 5.645 ± 0.5744
ea13 1342 1342/1342 1342 ± 0.000001714 5.881 5.578/6.212 5.949 ± 0.4405
ea14 1342 1342/1342 1342 ± 0.0000216 5.6 5.372/6.494 5.916 ± 0.6675
ea15 1342 1342/1342 1342 ± 0 5.502 5.174/6.243 5.755 ± 0.6836
ea16 1342 1342/1342 1342 ± 0 5.764 5.449/6.381 5.987 ± 0.7403
ea17 1342 1342/1342 1342 ± 0.00004504 5.715 5.465/6.465 5.964 ± 0.6418
ea18 1342 1342/1342 1342 ± 0.00002241 4.905 4.753/5.632 5.137 ± 0.5571
ea19 1342 1342/1342 1342 ± 0.00001019 5.63 5.4/6.698 6.016 ± 0.6681
ea20 1342 1342/1342 1342 ± 0.00001107 5.686 5.633/6.618 5.994 ± 0.7
ea21 1342 1342/1342 1342 ± 0.00001126 5.329 5.239/6.19 5.665 ± 0.5799
ea22 1342 1342/1342 1342 ± 0.000003213 5.866 5.139/6.234 5.782 ± 0.6307
ea23 1342 1342/1342 1342 ± 0.00003184 5.737 5.387/6.553 5.954 ± 0.765
ea24 1342 1342/1342 1342 ± 0 5.527 4.841/5.965 5.433 ± 0.572
ea25 1342 1342/1342 1342 ± 0.00004339 5.346 5.065/6.056 5.579 ± 0.6145
ea26 1342 1342/1342 1342 ± 0 6.108 5.548/6.669 6.109 ± 0.6376
ea27 1342 1342/1342 1342 ± 0.00004375 5.436 5.308/6.304 5.701 ± 0.6293
ea28 1342 1342/1342 1342 ± 0.00003699 5.589 5.358/6.425 5.93 ± 0.6847
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 ± 0.00002305 5.398 5.138/5.54 5.303 ± 0.2946
5 1342 1342/1342 1342 ± 0.00002901 5.083 4.821/5.244 5.056 ± 0.2977
6 1342 1342/1342 1342 ± 0.0000237 5.243 4.951/5.433 5.205 ± 0.2778
7 1342 1342/1342 1342 ± 0.00002305 5.274 5.076/5.416 5.227 ± 0.27
8 1342 1342/1342 1342 ± 0.00002305 5.263 4.944/5.381 5.185 ± 0.3085
9 1342 1342/1342 1342 ± 0.00002305 5.567 5.25/5.755 5.474 ± 0.3242
10 1342 1342/1342 1342 ± 0.00002305 6.029 5.731/6.112 5.913 ± 0.3121
11 1342 1342/1342 1342 ± 0.00002305 6.234 5.964/6.428 6.178 ± 0.3306
12 1342 1342/1342 1342 ± 0.00002305 6.392 6.133/6.545 6.331 ± 0.3505
13 1342 1342/1342 1342 ± 0.00002305 6.859 6.395/7.071 6.767 ± 0.4123
14 1342 1342/1342 1342 ± 0.00002955 7.05 6.719/7.163 6.847 ± 0.4547
15 1342 1342/1342 1342 ± 0.00002307 6.414 6.076/6.601 6.334 ± 0.4104
16 1342 1342/1342 1342 ± 0.0000583 5.176 4.868/5.427 5.146 ± 0.3906
17 1342 1342/1342 1342 ± 0.00005312 5.422 5.18/5.726 5.443 ± 0.4207
vis
VLASS2.1.sb38508014.eb38518655.59051.788119143515_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
Start time
2024-12-06 18:40:54.257
End
2024-12-06 19:56:26.970
Duration
1:15:32.714
Note, WebLog generation is not included in the time.

CASA logs for stage 8