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

Statwt Summary Plot

VLASS2.1.sb38483282.eb38504007.59045.97679461805_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 5.507 5.345/6.146 5.699 ± 0.5383
ea02 1342 1342/1342 1342 ± 0.00001466 5.812 5.495/6.425 5.99 ± 0.6363
ea04 1342 1342/1342 1342 ± 0 5.49 5.183/5.94 5.602 ± 0.4653
ea05 1342 1342/1342 1342 ± 0 5.781 5.471/6.289 5.883 ± 0.5617
ea06 1342 1342/1342 1342 ± 0 5.489 5.092/5.9 5.509 ± 0.4469
ea07 1342 1342/1342 1342 ± 0 5.194 5.163/5.555 5.3 ± 0.2312
ea08 1342 1342/1342 1342 ± 0.00002687 5.9 5.637/6.624 6.127 ± 0.6623
ea09 1342 1342/1342 1342 ± 0 5.186 4.955/5.702 5.349 ± 0.4386
ea10 1342 1342/1342 1342 ± 0.00003194 5.159 4.971/5.899 5.363 ± 0.5298
ea11 1342 1342/1342 1342 ± 0.000001076 5.745 5.402/6.39 5.902 ± 0.5923
ea13 1342 1342/1342 1342 ± 0 6.188 5.857/6.284 6.179 ± 0.4298
ea14 1342 1342/1342 1342 ± 0 5.679 5.401/6.383 5.894 ± 0.5889
ea15 1342 1342/1342 1342 ± 0 5.884 5.451/6.391 5.998 ± 0.6268
ea16 1342 1342/1342 1342 ± 0.000001066 5.967 5.624/6.416 6.143 ± 0.6422
ea17 1342 1342/1342 1342 ± 0.000001507 5.737 5.622/5.888 5.721 ± 0.2169
ea18 1342 1342/1342 1342 ± 0.000002383 5.085 4.818/5.54 5.2 ± 0.4998
ea19 1342 1342/1342 1342 ± 0 5.725 5.623/5.94 5.778 ± 0.1746
ea20 1342 1342/1342 1342 ± 0 6.036 5.729/6.64 6.177 ± 0.585
ea21 1342 1342/1342 1342 ± 0 5.487 5.321/6.018 5.678 ± 0.4444
ea22 1342 1342/1342 1342 ± 0.000002131 5.508 5.354/6.3 5.801 ± 0.6191
ea23 1342 1342/1342 1342 ± 0.00001093 5.76 5.587/6.41 6.051 ± 0.6241
ea24 1342 1342/1342 1342 ± 0 5.662 5.111/6.211 5.673 ± 0.589
ea25 1342 1342/1342 1342 ± 0.000001846 5.597 5.372/6.215 5.789 ± 0.5759
ea26 1342 1342/1342 1342 ± 0 6.132 5.812/6.744 6.286 ± 0.6372
ea27 1342 1342/1342 1342 ± 0.000005429 5.533 5.24/5.573 5.433 ± 0.2023
ea28 1342 1342/1342 1342 ± 0.00004006 5.702 5.502/6.501 5.94 ± 0.6268
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 ± 0.00002371 5.551 5.32/5.701 5.512 ± 0.2729
3 1342 1342/1342 1342 ± 0.00002403 5.136 4.984/5.374 5.195 ± 0.3317
4 1342 1342/1342 1342 ± 0.00002399 5.499 5.241/5.714 5.501 ± 0.3707
5 1342 1342/1342 1342 ± 0.00002371 5.463 5.256/5.665 5.44 ± 0.3041
6 1342 1342/1342 1342 ± 0.00002371 5.435 5.12/5.569 5.369 ± 0.2742
7 1342 1342/1342 1342 ± 0.00002371 5.446 5.125/5.588 5.403 ± 0.2668
8 1342 1342/1342 1342 ± 0.00002371 5.414 5.094/5.551 5.346 ± 0.2965
9 1342 1342/1342 1342 ± 0.00002371 5.671 5.444/5.913 5.618 ± 0.3249
10 1342 1342/1342 1342 ± 0.00002573 6.048 5.868/6.223 5.987 ± 0.3244
11 1342 1342/1342 1342 ± 0.00002573 6.267 5.918/6.395 6.207 ± 0.3104
12 1342 1342/1342 1342 ± 0.00002573 6.42 6.068/6.571 6.34 ± 0.3239
13 1342 1342/1342 1342 ± 0.00002573 6.818 6.434/7.028 6.736 ± 0.3759
14 1342 1342/1342 1342 ± 0.00002573 6.998 6.551/7.244 6.927 ± 0.4133
15 1342 1342/1342 1342 ± 0.00002573 6.699 6.274/6.86 6.579 ± 0.4184
16 1342 1342/1342 1342 ± 0.00004219 5.718 5.501/5.998 5.737 ± 0.3525
17 1342 1342/1342 1342 ± 0.00004037 5.698 5.555/5.992 5.745 ± 0.3392
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
vis
VLASS2.1.sb38483282.eb38504007.59045.97679461805_split_split.ms
output_dir
 
Start time
2024-04-13 03:26:26.723
End
2024-04-13 04:37:37.181
Duration
1:11:10.459
Note, WebLog generation is not included in the time.

CASA logs for stage 7