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

Statwt Summary Plot

VLASS2.2.sb40232189.eb40456740.59486.99024296296_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 5.575 5.509/6.469 5.859 ± 0.7224
ea02 1342 1342/1342 1342 ± 0.00004883 5.699 5.357/6.66 5.872 ± 0.826
ea03 1342 1342/1342 1342 ± 0.0000415 5.061 4.843/6.285 5.377 ± 0.7609
ea04 1342 1342/1342 1342 ± 0 5.296 4.94/5.951 5.457 ± 0.602
ea06 1342 1342/1342 1342 ± 0.000001266 5.382 5.054/6.267 5.631 ± 0.7032
ea07 1342 1342/1342 1342 ± 0 5.592 5.193/6 5.683 ± 0.6444
ea08 1342 1342/1342 1342 ± 0.00004209 5.876 5.544/6.778 6.032 ± 0.8692
ea09 1342 1342/1342 1342 ± 0.00004272 5.786 5.256/6.701 5.846 ± 0.8055
ea10 1342 1342/1342 1342 ± 0.00003497 5.499 5.284/6.638 5.819 ± 0.7457
ea11 1342 1342/1342 1342 ± 0.00001308 5.695 5.147/6.624 5.777 ± 0.9278
ea12 1342 1342/1342 1342 ± 0.00003858 5.659 5.387/6.54 5.761 ± 0.8452
ea13 1342 1342/1342 1342 ± 0.0000415 6.063 5.663/6.617 6.095 ± 0.7485
ea14 1342 1342/1342 1342 ± 0.00001667 5.695 5.245/6.515 5.887 ± 0.7192
ea15 1342 1342/1342 1342 ± 0.00004144 5.307 4.882/6.197 5.499 ± 0.7881
ea16 1342 1342/1342 1342 ± 0.000001266 5.712 5.454/6.662 6.001 ± 0.7941
ea17 1342 1342/1342 1342 ± 0.00000179 5.874 5.552/6.937 6.103 ± 0.8114
ea18 1342 1342/1342 1342 ± 0.00001611 4.465 4.345/5.118 4.654 ± 0.4556
ea19 1342 1342/1342 1342 ± 0.00001378 5.933 5.648/6.998 6.152 ± 0.8242
ea20 1342 1342/1342 1342 ± 0.00004151 5.731 5.454/6.888 5.958 ± 0.8234
ea21 1342 1342/1342 1342 ± 0.00001044 5.671 5.401/6.45 5.854 ± 0.727
ea22 1342 1342/1342 1342 ± 0.00003267 5.801 5.291/6.905 5.979 ± 0.8986
ea23 1342 1342/1342 1342 ± 0.00004152 5.727 5.328/6.661 5.943 ± 0.8815
ea24 1342 1342/1342 1342 ± 0.00002743 5.659 5.295/6.635 5.833 ± 0.737
ea25 1342 1342/1342 1342 ± 0 5.421 5.064/6.163 5.686 ± 0.7379
ea26 1342 1342/1342 1342 ± 0.00004032 5.823 5.595/6.944 6.094 ± 0.8385
ea27 1342 1342/1342 1342 ± 0.00004026 5.512 5.105/6.706 5.784 ± 0.8487
ea28 1342 1342/1342 1342 ± 0.00004151 5.755 5.414/6.662 5.915 ± 0.7919
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 5.515 5.379/5.654 5.481 ± 0.3278
3 1342 1342/1342 1342 ± 0.00002669 5.031 4.895/5.281 5.07 ± 0.338
5 1342 1342/1342 1342 ± 0.00002305 5.409 5.147/5.632 5.353 ± 0.3638
6 1342 1342/1342 1342 ± 0.00002305 5.377 5.161/5.567 5.341 ± 0.3309
7 1342 1342/1342 1342 ± 0.00002305 5.408 5.207/5.561 5.394 ± 0.3081
8 1342 1342/1342 1342 ± 0.00002305 5.433 5.216/5.656 5.376 ± 0.3127
9 1342 1342/1342 1342 ± 0.00002305 5.735 5.547/5.931 5.679 ± 0.3463
10 1342 1342/1342 1342 ± 0.00002305 6.154 5.921/6.339 6.097 ± 0.381
11 1342 1342/1342 1342 ± 0.00002305 6.448 6.166/6.587 6.347 ± 0.3821
12 1342 1342/1342 1342 ± 0.00002326 6.64 6.291/6.7 6.522 ± 0.3985
13 1342 1342/1342 1342 ± 0.00002305 6.923 6.696/7.132 6.896 ± 0.3878
14 1342 1342/1342 1342 ± 0.00002305 7.042 6.878/7.233 7.025 ± 0.4055
15 1342 1342/1342 1342 ± 0.00002305 6.826 6.631/7.057 6.779 ± 0.4202
16 1342 1342/1342 1342 ± 0.00006103 4.978 4.752/5.283 4.996 ± 0.3513
17 1342 1342/1342 1342 ± 0.00005977 4.415 4.272/4.584 4.42 ± 0.2607
vis
VLASS2.2.sb40232189.eb40456740.59486.99024296296_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
Start time
2025-04-12 23:59:01.773
End
2025-04-13 00:51:35.490
Duration
0:52:33.717
Note, WebLog generation is not included in the time.

CASA logs for stage 8