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 5.54 5.288/6.151 5.695 ± 0.5415
ea02 1342 1342/1342 1342 ± 0.00001595 5.8 5.496/6.598 6.008 ± 0.6419
ea04 1342 1342/1342 1342 ± 0.00001649 5.555 5.216/6.044 5.655 ± 0.4955
ea05 1342 1342/1342 1342 ± 0 5.875 5.437/6.493 5.881 ± 0.5887
ea06 1342 1342/1342 1342 ± 0 5.565 5.108/5.919 5.552 ± 0.4843
ea07 1342 1342/1342 1342 ± 0 5.147 5.095/5.526 5.251 ± 0.2297
ea08 1342 1342/1342 1342 ± 0.00002853 5.938 5.605/6.667 6.132 ± 0.6524
ea09 1342 1342/1342 1342 ± 0 5.226 4.957/5.787 5.36 ± 0.4393
ea10 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea11 1342 1342/1342 1342 ± 0.000004651 5.674 5.335/6.35 5.876 ± 0.6101
ea13 1342 1342/1342 1342 ± 0 6.094 5.828/6.302 6.175 ± 0.4488
ea14 1342 1342/1342 1342 ± 0 5.848 5.368/6.475 5.935 ± 0.6335
ea15 1342 1342/1342 1342 ± 0 5.932 5.424/6.406 5.991 ± 0.6499
ea16 1342 1342/1342 1342 ± 0 6.027 5.577/6.598 6.112 ± 0.6566
ea17 1342 1342/1342 1342 ± 0.000005376 5.707 5.518/5.824 5.674 ± 0.2052
ea18 1342 1342/1342 1342 ± 0.000004449 5.231 4.874/5.741 5.259 ± 0.5042
ea19 1342 1342/1342 1342 ± 0 5.674 5.618/5.798 5.705 ± 0.093
ea20 1342 1342/1342 1342 ± 0 6.301 5.781/6.816 6.284 ± 0.6266
ea21 1342 1342/1342 1342 ± 0 5.6 5.395/6.317 5.845 ± 0.5439
ea22 1342 1342/1342 1342 ± 0.000001347 5.528 5.283/6.456 5.823 ± 0.6239
ea23 1342 1342/1342 1342 ± 0.00001466 5.803 5.477/6.521 5.997 ± 0.6594
ea24 1342 1342/1342 1342 ± 0 5.858 5.125/6.297 5.688 ± 0.5812
ea25 1342 1342/1342 1342 ± 0.000009832 5.462 5.377/6.31 5.817 ± 0.6028
ea26 1342 1342/1342 1342 ± 0 6.196 5.794/6.988 6.334 ± 0.6518
ea27 1342 1342/1342 1342 ± 0.000008901 5.483 5.226/5.563 5.403 ± 0.1822
ea28 1342 1342/1342 1342 ± 0.00004083 5.664 5.514/6.519 5.945 ± 0.6227
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 ± 0.00002402 5.475 5.289/5.625 5.46 ± 0.2269
3 1342 1342/1342 1342 ± 0.0000255 5.133 4.993/5.351 5.179 ± 0.3024
4 1342 1342/1342 1342 ± 0.00002687 5.381 5.254/5.571 5.411 ± 0.3052
5 1342 1342/1342 1342 ± 0.00002402 5.487 5.288/5.674 5.462 ± 0.2962
6 1342 1342/1342 1342 ± 0.00002403 5.429 5.124/5.578 5.372 ± 0.2741
7 1342 1342/1342 1342 ± 0.00002402 5.42 5.234/5.591 5.41 ± 0.264
8 1342 1342/1342 1342 ± 0.00002402 5.434 5.113/5.523 5.354 ± 0.2889
9 1342 1342/1342 1342 ± 0.00002402 5.661 5.458/5.879 5.617 ± 0.3135
10 1342 1342/1342 1342 ± 0.00002612 6.053 5.858/6.217 6.007 ± 0.3255
11 1342 1342/1342 1342 ± 0.00002612 6.278 6.141/6.41 6.233 ± 0.3112
12 1342 1342/1342 1342 ± 0.00002612 6.423 6.292/6.533 6.379 ± 0.3141
13 1342 1342/1342 1342 ± 0.00002612 6.903 6.488/7.015 6.788 ± 0.3584
14 1342 1342/1342 1342 ± 0.00002612 7.037 6.787/7.235 6.983 ± 0.3838
15 1342 1342/1342 1342 ± 0.00002612 6.709 6.393/6.88 6.615 ± 0.3927
16 1342 1342/1342 1342 ± 0.00004078 5.733 5.566/6.076 5.781 ± 0.3376
17 1342 1342/1342 1342 ± 0.00004133 5.788 5.598/6.049 5.814 ± 0.3159
output_dir
 
vis
VLASS2.1.sb38483282.eb38504007.59045.97679461805_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2024-04-12 23:00:54.806
End
2024-04-12 23:41:05.282
Duration
0:40:10.476
Note, WebLog generation is not included in the time.

CASA logs for stage 7