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

Statwt Summary Plot

VLASS2.2.sb40507148.eb40987311.59548.184427245375_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 6.577 5.913/7.243 6.494 ± 0.8542
ea03 1342 1342/1342 1342 ± 0.000004936 6.249 5.461/6.839 6.138 ± 0.7472
ea04 1342 1342/1342 1342 ± 0 6.001 5.518/6.425 6.066 ± 0.6095
ea05 1342 1342/1342 1342 ± 0 6.123 5.79/7.068 6.434 ± 0.7253
ea06 1342 1342/1342 1342 ± 0 6.352 5.733/6.656 6.291 ± 0.6019
ea07 1342 1342/1342 1342 ± 0 6.215 5.604/6.318 6.161 ± 0.5735
ea08 1342 1342/1342 1342 ± 0.000001699 6.755 5.797/6.929 6.515 ± 0.7342
ea09 1342 1342/1342 1342 ± 0 6.209 5.728/7.035 6.438 ± 0.7533
ea10 1342 1342/1342 1342 ± 0 6.161 5.92/7.034 6.428 ± 0.6563
ea11 1342 1342/1342 1342 ± 0.000003397 6.36 5.623/6.927 6.368 ± 0.7843
ea12 1342 1342/1342 1342 ± 0 6.553 5.868/6.888 6.509 ± 0.7302
ea13 1342 1342/1342 1342 ± 0 6.081 5.957/6.534 6.262 ± 0.4702
ea14 1342 1342/1342 1342 ± 0 6.256 5.92/6.976 6.479 ± 0.6837
ea15 1342 1342/1342 1342 ± 0 5.328 5.045/5.901 5.464 ± 0.5277
ea16 1342 1342/1342 1342 ± 0 6.474 5.931/7.077 6.566 ± 0.7355
ea17 1342 1342/1342 1342 ± 0 6.637 6.109/7.684 6.838 ± 0.7778
ea18 1342 1342/1342 1342 ± 0 5.278 4.967/5.668 5.352 ± 0.4567
ea19 1342 1342/1342 1342 ± 0 6.489 6.191/7.484 6.794 ± 0.7332
ea20 1342 1342/1342 1342 ± 0 6.122 5.849/7.037 6.371 ± 0.6544
ea21 1342 1342/1342 1342 ± 0 5.895 5.685/6.706 6.168 ± 0.6072
ea22 1342 1342/1342 1342 ± 0 6.33 5.5/6.727 6.146 ± 0.6888
ea23 1342 1342/1342 1342 ± 0 6.275 6.019/7.038 6.558 ± 0.7275
ea24 1342 1342/1342 1342 ± 0 6.28 5.346/6.591 6.056 ± 0.6517
ea25 1342 1342/1342 1342 ± 0 6.733 5.898/6.935 6.609 ± 0.7889
ea26 1342 1342/1342 1342 ± 0.000006331 6.656 6.081/7.317 6.681 ± 0.8405
ea27 1342 1342/1342 1342 ± 0 6.301 5.871/7.104 6.435 ± 0.7459
ea28 1342 1342/1342 1342 ± 0 6.305 5.989/7.154 6.589 ± 0.7281
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 5.874 5.62/6.051 5.827 ± 0.3537
3 1342 1342/1342 1342 ± 0.00002436 5.47 5.239/5.636 5.407 ± 0.3324
4 1342 1342/1342 1342 ± 0.00003662 5.408 5.266/6.092 5.535 ± 0.5931
5 1342 1342/1342 1342 ± 0.00002305 5.844 5.503/5.95 5.705 ± 0.3592
6 1342 1342/1342 1342 ± 0.00002305 5.8 5.492/5.952 5.728 ± 0.2981
7 1342 1342/1342 1342 ± 0.00002305 5.86 5.568/5.98 5.758 ± 0.3074
8 1342 1342/1342 1342 ± 0.00002305 5.731 5.458/5.974 5.697 ± 0.3475
9 1342 1342/1342 1342 ± 0.00002305 6.113 5.787/6.28 6.01 ± 0.357
10 1342 1342/1342 1342 ± 0.00002305 6.572 6.279/6.715 6.467 ± 0.3672
11 1342 1342/1342 1342 ± 0.00002305 6.813 6.582/6.988 6.708 ± 0.378
12 1342 1342/1342 1342 ± 0.00002305 6.924 6.595/7.077 6.843 ± 0.4381
13 1342 1342/1342 1342 ± 0.00002305 7.43 7.089/7.752 7.38 ± 0.4699
14 1342 1342/1342 1342 ± 0.00002305 7.716 7.366/7.971 7.609 ± 0.4672
15 1342 1342/1342 1342 ± 0.00002305 7.266 6.936/7.539 7.172 ± 0.464
16 1342 1342/1342 1342 ± 0.00002305 6.35 6.146/6.778 6.433 ± 0.4678
17 1342 1342/1342 1342 ± 0.00002305 6.409 6.08/6.656 6.375 ± 0.4613
output_dir
 
vis
VLASS2.2.sb40507148.eb40987311.59548.184427245375_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2025-06-07 14:36:38.898
End
2025-06-07 15:37:11.773
Duration
1:00:32.874
Note, WebLog generation is not included in the time.

CASA logs for stage 8