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

Statwt Summary Plot

VLASS2.2.sb40869292.eb40982614.59542.13818863426_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 6.134 5.833/6.799 6.237 ± 0.7801
ea03 1342 1342/1342 1342 ± 0.000008925 5.756 5.239/6.371 5.803 ± 0.6824
ea04 1342 1342/1342 1342 ± 0 5.621 5.258/6.021 5.719 ± 0.5121
ea05 1342 1342/1342 1342 ± 0 6.016 5.561/6.585 6.106 ± 0.6548
ea06 1342 1342/1342 1342 ± 0 6.025 5.639/6.407 6.075 ± 0.5425
ea07 1342 1342/1342 1342 ± 0 5.929 5.477/6.091 5.938 ± 0.5039
ea08 1342 1342/1342 1342 ± 0.000003652 6.232 5.653/6.54 6.209 ± 0.6443
ea09 1342 1342/1342 1342 ± 0.000001218 5.965 5.49/6.714 6.11 ± 0.7004
ea10 1342 1342/1342 1342 ± 0 5.91 5.544/6.624 6.05 ± 0.6039
ea11 1342 1342/1342 1342 ± 0 6.157 5.462/6.606 6.13 ± 0.7051
ea12 1342 1342/1342 1342 ± 0 6.04 5.662/6.67 6.188 ± 0.7787
ea13 1342 1342/1342 1342 ± 0 6.015 5.903/6.343 6.149 ± 0.4525
ea14 1342 1342/1342 1342 ± 0 5.903 5.594/6.539 6.088 ± 0.6326
ea15 1342 1342/1342 1342 ± 0 5.506 5.117/5.916 5.554 ± 0.5793
ea16 1342 1342/1342 1342 ± 0 6.176 5.84/6.665 6.272 ± 0.6624
ea17 1342 1342/1342 1342 ± 0 6.588 6.194/7.328 6.781 ± 0.6422
ea18 1342 1342/1342 1342 ± 0 5.115 4.891/5.603 5.266 ± 0.4882
ea19 1342 1342/1342 1342 ± 0 6.244 5.924/6.902 6.424 ± 0.6599
ea20 1342 1342/1342 1342 ± 0 5.726 5.57/6.387 5.951 ± 0.6161
ea21 1342 1342/1342 1342 ± 0 5.696 5.507/6.29 5.872 ± 0.5318
ea22 1342 1342/1342 1342 ± 0 5.883 5.46/6.453 5.997 ± 0.6207
ea23 1342 1342/1342 1342 ± 0 6.168 5.794/6.551 6.27 ± 0.6523
ea24 1342 1342/1342 1342 ± 0 6.017 5.323/6.412 5.892 ± 0.5475
ea25 1342 1342/1342 1342 ± 0 6.246 5.705/6.639 6.284 ± 0.7451
ea26 1342 1342/1342 1342 ± 0 6.319 5.89/6.988 6.464 ± 0.6401
ea27 1342 1342/1342 1342 ± 0 5.818 5.504/6.62 6.02 ± 0.6521
ea28 1342 1342/1342 1342 ± 0 6.08 5.674/6.652 6.208 ± 0.6577
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 5.689 5.468/5.903 5.693 ± 0.2769
3 1342 1342/1342 1342 ± 0.00002469 5.172 4.964/5.311 5.132 ± 0.3926
4 1342 1342/1342 1342 ± 0.00002305 5.471 5.295/5.717 5.496 ± 0.3841
5 1342 1342/1342 1342 ± 0.00002305 5.621 5.372/5.774 5.608 ± 0.3293
6 1342 1342/1342 1342 ± 0.00002305 5.579 5.374/5.797 5.563 ± 0.2595
7 1342 1342/1342 1342 ± 0.00002305 5.597 5.408/5.774 5.59 ± 0.2699
8 1342 1342/1342 1342 ± 0.00002305 5.514 5.29/5.674 5.51 ± 0.3046
9 1342 1342/1342 1342 ± 0.00002305 5.798 5.574/5.998 5.776 ± 0.3069
10 1342 1342/1342 1342 ± 0.00002305 6.255 6.086/6.397 6.167 ± 0.309
11 1342 1342/1342 1342 ± 0.00002305 6.414 6.3/6.593 6.383 ± 0.3001
12 1342 1342/1342 1342 ± 0.00002305 6.557 6.34/6.697 6.531 ± 0.3623
13 1342 1342/1342 1342 ± 0.00002305 7.028 6.775/7.322 7.023 ± 0.3883
14 1342 1342/1342 1342 ± 0.00002305 7.248 7.072/7.534 7.248 ± 0.3918
15 1342 1342/1342 1342 ± 0.00002305 6.901 6.712/7.188 6.917 ± 0.3655
16 1342 1342/1342 1342 ± 0.00002305 6.253 5.972/6.572 6.286 ± 0.4011
17 1342 1342/1342 1342 ± 0.00002305 6.156 5.968/6.501 6.211 ± 0.3978
output_dir
 
vis
VLASS2.2.sb40869292.eb40982614.59542.13818863426_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-04-24 01:00:34.391
End
2025-04-24 01:58:35.605
Duration
0:58:01.214
Note, WebLog generation is not included in the time.

CASA logs for stage 8