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

Statwt Summary Plot

VLASS2.1.sb38487128.eb38624732.59090.114586261574_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 5.353 5.284/6.051 5.563 ± 0.6083
ea02 1342 1342/1342 1342 ± 0.0000415 5.803 5.36/6.625 5.887 ± 0.7994
ea04 1342 1342/1342 1342 ± 0 5.295 5.081/6.049 5.524 ± 0.6171
ea05 1342 1342/1342 1342 ± 0.00000929 5.618 5.122/6.494 5.777 ± 0.6736
ea06 1342 1342/1342 1342 ± 0 5.23 4.861/5.381 5.04 ± 0.5554
ea07 1342 1342/1342 1342 ± 0.0000415 5.898 5.448/6.298 5.91 ± 0.7443
ea08 1342 1342/1342 1342 ± 0.0000415 5.905 5.53/6.73 6.048 ± 0.8052
ea09 1342 1342/1342 1342 ± 0 5.476 5.189/6.458 5.654 ± 0.7423
ea10 1342 1342/1342 1342 ± 0.0000415 5.517 5.223/6.652 5.819 ± 0.7928
ea11 1342 1342/1342 1342 ± 0.00002823 5.508 5.104/6.324 5.669 ± 0.7862
ea12 1342 1342/1342 1342 ± 0.000001553 5.624 5.362/6.546 5.847 ± 0.8037
ea13 1342 1342/1342 1342 ± 0 5.839 5.726/6.387 5.996 ± 0.6797
ea14 1342 1342/1342 1342 ± 0.000002904 5.552 5.321/6.549 5.91 ± 0.7195
ea15 1342 1342/1342 1342 ± 0 5.203 5/6.156 5.568 ± 0.7369
ea16 1342 1342/1342 1342 ± 0.00001739 5.986 5.609/6.863 6.198 ± 0.8297
ea17 1342 1342/1342 1342 ± 0.0000415 5.77 5.564/6.974 5.974 ± 0.7962
ea18 1342 1342/1342 1342 ± 0.00002313 4.891 4.666/5.66 5.065 ± 0.5694
ea19 1342 1342/1342 1342 ± 0.00000425 5.803 5.538/6.743 6.064 ± 0.713
ea20 1342 1342/1342 1342 ± 0.000004524 5.879 5.663/6.796 6.065 ± 0.8312
ea21 1342 1342/1342 1342 ± 0.00001401 5.589 5.373/6.345 5.789 ± 0.6551
ea22 1342 1342/1342 1342 ± 0.00003107 5.438 5.185/6.479 5.657 ± 0.7849
ea23 1342 1342/1342 1342 ± 0.0000376 5.628 5.552/6.644 6.018 ± 0.8219
ea25 1342 1342/1342 1342 ± 0.00003992 5.27 5.154/6.241 5.563 ± 0.7269
ea26 1342 1342/1342 1342 ± 0 5.729 5.536/6.859 6.055 ± 0.7951
ea27 1342 1342/1342 1342 ± 0.0000415 5.435 5.134/6.43 5.655 ± 0.7
ea28 1342 1342/1342 1342 ± 0.0000415 5.635 5.414/6.557 5.838 ± 0.7592
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 ± 0.00002395 5.546 5.308/5.709 5.52 ± 0.2392
3 1342 1342/1342 1342 ± 0.00002395 5.492 5.249/5.634 5.429 ± 0.2784
5 1342 1342/1342 1342 ± 0.00002395 5.446 5.233/5.582 5.424 ± 0.3072
6 1342 1342/1342 1342 ± 0.00002395 5.385 5.219/5.528 5.367 ± 0.2643
7 1342 1342/1342 1342 ± 0.00002395 5.373 5.198/5.539 5.375 ± 0.2394
8 1342 1342/1342 1342 ± 0.00002395 5.395 5.128/5.525 5.354 ± 0.2414
9 1342 1342/1342 1342 ± 0.00002395 5.735 5.486/5.882 5.639 ± 0.2988
10 1342 1342/1342 1342 ± 0.00002351 6.07 5.912/6.24 6.011 ± 0.3297
11 1342 1342/1342 1342 ± 0.00002351 6.317 6.193/6.48 6.261 ± 0.3459
12 1342 1342/1342 1342 ± 0.00002351 6.498 6.302/6.648 6.438 ± 0.3715
13 1342 1342/1342 1342 ± 0.00002351 6.879 6.689/7.1 6.842 ± 0.3945
14 1342 1342/1342 1342 ± 0.00002351 7.005 6.766/7.297 6.994 ± 0.4541
15 1342 1342/1342 1342 ± 0.00002351 6.831 6.537/7.018 6.731 ± 0.4841
16 1342 1342/1342 1342 ± 0.00006076 4.662 4.51/4.866 4.675 ± 0.2682
17 1342 1342/1342 1342 ± 0.00006016 4.672 4.521/4.824 4.675 ± 0.2533
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38487128.eb38624732.59090.114586261574_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2024-04-22 17:28:34.259
End
2024-04-22 18:40:32.833
Duration
1:11:58.574
Note, WebLog generation is not included in the time.

CASA logs for stage 7