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

Statwt Summary Plot

VLASS2.1.sb38501480.eb38632936.59097.386918425924_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 5.447 5.264/6.276 5.628 ± 0.7882
ea02 1342 1342/1342 1342 ± 0.00004272 5.881 5.274/6.747 5.923 ± 0.9385
ea04 1342 1342/1342 1342 ± 0.00001926 5.536 4.989/6.136 5.475 ± 0.7914
ea05 1342 1342/1342 1342 ± 0.00002239 5.47 4.961/6.234 5.583 ± 0.8028
ea06 1342 1342/1342 1342 ± 0.00002784 4.826 4.411/5.305 4.835 ± 0.5651
ea07 1342 1342/1342 1342 ± 0.000041 5.971 5.334/6.459 5.936 ± 0.9317
ea08 1342 1342/1342 1342 ± 0.00004357 5.775 5.493/6.886 6.092 ± 1.059
ea09 1342 1342/1342 1342 ± 0.00002832 5.731 5.031/6.511 5.701 ± 0.8537
ea10 1342 1342/1342 1342 ± 0.00002982 5.847 5.396/6.92 6.078 ± 0.8737
ea11 1342 1342/1342 1342 ± 0.00004025 5.466 5.155/6.62 5.767 ± 1.002
ea12 1342 1342/1342 1342 ± 0.00003653 5.873 5.274/6.67 5.839 ± 1.024
ea13 1342 1342/1342 1342 ± 0.00001579 5.802 5.402/6.373 5.902 ± 0.775
ea14 1342 1342/1342 1342 ± 0.00004007 5.6 5.215/6.539 5.778 ± 0.9249
ea15 1342 1342/1342 1342 ± 0.00001521 5.199 5.023/6.275 5.558 ± 0.9005
ea16 1342 1342/1342 1342 ± 0.00003396 5.941 5.468/6.912 6.066 ± 1.017
ea17 1342 1342/1342 1342 ± 0.00004244 5.786 5.606/7.161 6.039 ± 1.059
ea18 1342 1342/1342 1342 ± 0.00004 5.045 4.729/5.806 5.128 ± 0.7363
ea19 1342 1342/1342 1342 ± 0.00001424 5.821 5.426/6.694 6 ± 0.9053
ea20 1342 1342/1342 1342 ± 0.00003897 5.831 5.474/7.107 6.098 ± 1.043
ea21 1342 1342/1342 1342 ± 0.00003618 5.53 5.273/6.416 5.682 ± 0.859
ea22 1342 1342/1342 1342 ± 0.00003681 5.307 5.029/6.459 5.618 ± 0.8529
ea23 1342 1342/1342 1342 ± 0.00004258 5.801 5.441/6.772 5.955 ± 1.035
ea25 1342 1342/1342 1342 ± 0.00004208 5.514 5.19/6.442 5.633 ± 0.9171
ea26 1342 1342/1342 1342 ± 0.00002696 5.794 5.637/6.883 6.043 ± 0.9283
ea27 1342 1342/1342 1342 ± 0.00004188 5.559 5.147/6.725 5.758 ± 0.9242
ea28 1342 1342/1342 1342 ± 0.00004259 5.736 5.36/6.684 5.847 ± 0.9736
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 ± 0.0000235 5.533 5.301/5.761 5.499 ± 0.2923
5 1342 1342/1342 1342 ± 0.00002661 5.594 5.334/5.771 5.523 ± 0.3579
6 1342 1342/1342 1342 ± 0.0000235 5.262 5.011/5.416 5.194 ± 0.2807
7 1342 1342/1342 1342 ± 0.0000235 5.305 5.157/5.441 5.274 ± 0.2664
8 1342 1342/1342 1342 ± 0.0000235 5.279 5.143/5.465 5.26 ± 0.2972
9 1342 1342/1342 1342 ± 0.0000235 5.483 5.276/5.784 5.466 ± 0.3617
10 1342 1342/1342 1342 ± 0.0000235 6.136 5.879/6.227 6.037 ± 0.3345
11 1342 1342/1342 1342 ± 0.0000235 6.38 6.212/6.569 6.335 ± 0.3518
12 1342 1342/1342 1342 ± 0.0000235 6.607 6.417/6.772 6.557 ± 0.3844
13 1342 1342/1342 1342 ± 0.0000235 7.02 6.91/7.299 6.999 ± 0.4138
14 1342 1342/1342 1342 ± 0.0000235 7.261 6.979/7.471 7.151 ± 0.4784
15 1342 1342/1342 1342 ± 0.00002377 6.827 6.534/7.074 6.742 ± 0.4786
16 1342 1342/1342 1342 ± 0.00005557 4.197 4.054/4.354 4.199 ± 0.2066
17 1342 1342/1342 1342 ± 0.0000576 4.277 4.118/4.462 4.286 ± 0.2494
output_dir
 
vis
VLASS2.1.sb38501480.eb38632936.59097.386918425924_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-01-08 06:24:59.899
End
2025-01-08 06:54:07.006
Duration
0:29:07.107
Note, WebLog generation is not included in the time.

CASA logs for stage 8