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

Statwt Summary Plot

VLASS3.2.sb45520569.eb45733624.60429.987892812496_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 6.015 5.477/6.38 5.967 ± 0.6196
ea02 1342 1342/1342 1342 ± 0 6.272 5.65/6.436 6.189 ± 0.6368
ea03 1342 1342/1342 1342 ± 0 6.114 5.433/6.725 6.107 ± 0.722
ea04 1342 1342/1342 1342 ± 0.000001562 5.718 5.141/6.134 5.725 ± 0.5768
ea05 1342 1342/1342 1342 ± 0 5.826 5.326/6.64 5.953 ± 0.6669
ea06 1342 1342/1342 1342 ± 0 6.012 5.092/6.138 5.76 ± 0.6751
ea07 1342 1342/1342 1342 ± 0 6.068 5.165/6.263 5.903 ± 0.7004
ea08 1342 1342/1342 1342 ± 0 6.383 5.565/6.745 6.274 ± 0.6863
ea09 1342 1342/1342 1342 ± 0.000001105 5.701 5.148/6.434 5.803 ± 0.7564
ea10 1342 1342/1342 1342 ± 0 5.535 5.162/6.131 5.613 ± 0.5867
ea11 1342 1342/1342 1342 ± 0.000007062 5.365 5.127/6.232 5.645 ± 0.6437
ea12 1342 1342/1342 1342 ± 0.00001991 5.522 5.355/6.351 5.766 ± 0.6207
ea13 1342 1342/1342 1342 ± 0 6.15 5.523/6.313 5.928 ± 0.7371
ea14 1342 1342/1342 1342 ± 0 6.066 5.68/6.671 6.197 ± 0.6276
ea15 1342 1342/1342 1342 ± 0.000004131 5.14 4.617/5.377 5.072 ± 0.4824
ea16 1342 1342/1342 1342 ± 0 6.229 5.684/6.71 6.243 ± 0.7148
ea17 1342 1342/1342 1342 ± 0 6.229 5.738/7.047 6.286 ± 0.7105
ea18 1342 1342/1342 1342 ± 0 6.476 5.82/7.11 6.428 ± 0.696
ea19 1342 1342/1342 1342 ± 0 5.889 5.501/6.69 6.069 ± 0.6411
ea20 1342 1342/1342 1342 ± 0 6.219 5.46/6.614 6.089 ± 0.6393
ea21 1342 1342/1342 1342 ± 0 5.509 5.144/5.963 5.598 ± 0.5166
ea22 1342 1342/1342 1342 ± 0 6.409 5.729/6.918 6.318 ± 0.7042
ea23 1342 1342/1342 1342 ± 0 5.968 5.514/6.406 6.066 ± 0.673
ea24 1342 1342/1342 1342 ± 0 6.169 5.342/6.504 5.976 ± 0.5959
ea25 1342 1342/1342 1342 ± 0 6.512 5.674/6.897 6.461 ± 0.7976
ea27 1342 1342/1342 1342 ± 0 5.757 5.386/6.517 5.902 ± 0.618
ea28 1342 1342/1342 1342 ± 0 6.369 5.703/6.957 6.41 ± 0.6685
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 ± 0.00002306 5.526 5.319/5.7 5.515 ± 0.2746
3 1342 1342/1342 1342 ± 0.00002481 5.016 4.804/5.161 4.973 ± 0.327
5 1342 1342/1342 1342 ± 0.00002306 5.351 5.118/5.586 5.356 ± 0.34
6 1342 1342/1342 1342 ± 0.00002306 5.34 5.162/5.604 5.36 ± 0.3155
7 1342 1342/1342 1342 ± 0.00002306 5.497 5.311/5.673 5.427 ± 0.2745
8 1342 1342/1342 1342 ± 0.00002306 5.415 5.154/5.561 5.364 ± 0.2946
9 1342 1342/1342 1342 ± 0.00002306 5.681 5.526/5.922 5.68 ± 0.3185
10 1342 1342/1342 1342 ± 0.00002306 6.204 6.025/6.31 6.129 ± 0.3011
11 1342 1342/1342 1342 ± 0.00002306 6.366 6.127/6.58 6.333 ± 0.3114
12 1342 1342/1342 1342 ± 0.00002306 6.504 6.27/6.709 6.489 ± 0.3694
13 1342 1342/1342 1342 ± 0.00002306 7.045 6.651/7.184 6.931 ± 0.3808
14 1342 1342/1342 1342 ± 0.00002306 7.199 6.926/7.454 7.138 ± 0.4054
15 1342 1342/1342 1342 ± 0.00002306 6.849 6.605/7.159 6.817 ± 0.4088
16 1342 1342/1342 1342 ± 0.00002549 6.188 5.801/6.461 6.146 ± 0.4264
17 1342 1342/1342 1342 ± 0.00002496 6.256 5.943/6.38 6.112 ± 0.4162
overwrite_modelcol
False
output_dir
 
vis
VLASS3.2.sb45520569.eb45733624.60429.987892812496_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2025-07-18 22:07:59.728
End
2025-07-18 23:25:18.761
Duration
1:17:19.034
Note, WebLog generation is not included in the time.

CASA logs for stage 8