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

Statwt Summary Plot

VLASS2.1.sb38471682.eb38515236.59049.18662664352_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 5.654 5.461/6.429 5.779 ± 0.7675
ea02 1342 1342/1342 1342 ± 0.00004367 6.076 5.567/6.868 6.08 ± 0.9105
ea04 1342 1342/1342 1342 ± 0.00002378 5.581 5.364/6.206 5.685 ± 0.74
ea05 1342 1342/1342 1342 ± 0.00002877 5.579 5.187/6.623 5.822 ± 0.8065
ea06 1342 1342/1342 1342 ± 0.00003255 5.619 4.889/5.886 5.281 ± 0.7522
ea07 1342 1342/1342 1342 ± 0.0000404 5.899 5.555/6.428 5.955 ± 0.8277
ea09 1342 1342/1342 1342 ± 0.00002701 5.521 5.026/5.903 5.431 ± 0.6438
ea10 1342 1342/1342 1342 ± 0.00003847 5.337 4.95/6.103 5.448 ± 0.683
ea11 1342 1342/1342 1342 ± 0.00004347 6.066 5.645/6.793 6.065 ± 0.9463
ea12 1342 1342/1342 1342 ± 0.00003594 5.817 5.559/6.751 5.978 ± 0.9918
ea13 1342 1342/1342 1342 ± 0.00001271 5.947 5.73/6.419 6.036 ± 0.7517
ea14 1342 1342/1342 1342 ± 0.00003957 5.783 5.496/6.735 5.993 ± 0.9033
ea15 1342 1342/1342 1342 ± 0.0000242 5.805 5.541/6.636 5.924 ± 0.9353
ea16 1342 1342/1342 1342 ± 0.00003843 5.952 5.415/6.906 6.078 ± 1.014
ea17 1342 1342/1342 1342 ± 0.00004404 6.14 5.607/7.147 6.139 ± 0.9908
ea18 1342 1342/1342 1342 ± 0.00003922 5.163 5.084/6.025 5.377 ± 0.6639
ea19 1342 1342/1342 1342 ± 0.0000104 5.78 5.627/6.882 6.116 ± 0.8413
ea20 1342 1342/1342 1342 ± 0.00003943 6.183 6.075/7.2 6.405 ± 1.063
ea21 1342 1342/1342 1342 ± 0.00003703 5.66 5.328/6.453 5.805 ± 0.8114
ea22 1342 1342/1342 1342 ± 0.00004318 6.259 5.056/6.584 5.874 ± 0.9574
ea23 1342 1342/1342 1342 ± 0.00004384 5.943 5.569/6.877 6.072 ± 0.9883
ea24 1342 1342/1342 1342 ± 0.00001702 5.265 4.915/6.253 5.522 ± 0.7226
ea25 1342 1342/1342 1342 ± 0.00004388 5.833 5.426/6.548 5.824 ± 0.8605
ea26 1342 1342/1342 1342 ± 0.00002941 5.979 5.727/7.01 6.164 ± 0.9427
ea27 1342 1342/1342 1342 ± 0.000043 5.874 5.538/6.812 5.978 ± 0.8815
ea28 1342 1342/1342 1342 ± 0.00004322 5.82 5.718/6.843 6.066 ± 0.9272
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 ± 0.00002362 5.544 5.336/5.692 5.466 ± 0.3231
3 1342 1342/1342 1342 ± 0.00003213 5.586 5.383/5.766 5.527 ± 0.3316
6 1342 1342/1342 1342 ± 0.00002388 5.617 5.332/5.756 5.544 ± 0.2957
7 1342 1342/1342 1342 ± 0.00002416 5.575 5.386/5.655 5.515 ± 0.281
8 1342 1342/1342 1342 ± 0.00002416 5.486 5.251/5.619 5.466 ± 0.3063
9 1342 1342/1342 1342 ± 0.00002696 5.778 5.46/5.939 5.705 ± 0.306
10 1342 1342/1342 1342 ± 0.00002362 6.31 5.968/6.365 6.207 ± 0.313
11 1342 1342/1342 1342 ± 0.00002362 6.508 6.202/6.687 6.463 ± 0.3322
12 1342 1342/1342 1342 ± 0.00002362 6.633 6.408/6.879 6.62 ± 0.3752
13 1342 1342/1342 1342 ± 0.00002362 7.037 6.795/7.297 6.972 ± 0.4316
14 1342 1342/1342 1342 ± 0.00002362 7.138 6.775/7.344 7.015 ± 0.4531
15 1342 1342/1342 1342 ± 0.00002401 6.648 6.319/6.88 6.569 ± 0.4195
16 1342 1342/1342 1342 ± 0.00005776 4.333 4.207/4.475 4.338 ± 0.1967
17 1342 1342/1342 1342 ± 0.00005719 4.346 4.187/4.58 4.393 ± 0.308
output_dir
 
vis
VLASS2.1.sb38471682.eb38515236.59049.18662664352_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
Start time
2024-04-20 17:10:15.676
End
2024-04-20 18:05:39.104
Duration
0:55:23.428
Note, WebLog generation is not included in the time.

CASA logs for stage 7