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

Statwt Summary Plot

VLASS2.1.sb38602933.eb38631109.59096.27884142361_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 5.359 5.294/6.206 5.594 ± 0.6818
ea02 1342 1342/1342 1342 ± 0.00004219 5.888 5.357/6.741 5.913 ± 1.007
ea04 1342 1342/1342 1342 ± 0.00001454 5.349 5.004/6.036 5.371 ± 0.828
ea05 1342 1342/1342 1342 ± 0.00001105 5.488 5.04/6.267 5.615 ± 0.7825
ea06 1342 1342/1342 1342 ± 0.00002932 4.943 4.638/5.353 4.816 ± 0.6838
ea07 1342 1342/1342 1342 ± 0.00003441 5.935 5.489/6.37 5.865 ± 0.7478
ea08 1342 1342/1342 1342 ± 0.00003369 5.995 5.65/6.877 6.194 ± 0.9187
ea09 1342 1342/1342 1342 ± 0.00003393 5.573 5.102/6.522 5.696 ± 0.8417
ea10 1342 1342/1342 1342 ± 0.00003439 5.93 5.354/6.67 5.898 ± 0.8185
ea11 1342 1342/1342 1342 ± 0.00004259 5.75 5.122/6.528 5.606 ± 0.9625
ea12 1342 1342/1342 1342 ± 0.00002412 5.696 5.332/6.55 5.69 ± 1.029
ea13 1342 1342/1342 1342 ± 0.00002975 5.99 5.655/6.473 6.046 ± 0.8207
ea14 1342 1342/1342 1342 ± 0.00002274 5.522 5.096/6.373 5.6 ± 0.8074
ea15 1342 1342/1342 1342 ± 0.00001319 5.438 5.109/6.278 5.523 ± 0.933
ea16 1342 1342/1342 1342 ± 0.00002368 5.855 5.471/6.891 5.962 ± 0.96
ea17 1342 1342/1342 1342 ± 0.00003634 5.898 5.494/6.884 6.001 ± 0.8639
ea18 1342 1342/1342 1342 ± 0.00003477 5.078 4.752/5.741 5.11 ± 0.6285
ea19 1342 1342/1342 1342 ± 0.00001136 5.795 5.508/6.804 5.987 ± 0.8475
ea20 1342 1342/1342 1342 ± 0.00003454 5.88 5.563/6.982 5.998 ± 1.074
ea21 1342 1342/1342 1342 ± 0.00001755 5.509 5.352/6.369 5.623 ± 0.802
ea22 1342 1342/1342 1342 ± 0.0000299 5.376 5.175/6.478 5.707 ± 0.7861
ea23 1342 1342/1342 1342 ± 0.00003158 5.848 5.483/6.628 5.801 ± 0.8916
ea25 1342 1342/1342 1342 ± 0.00003469 5.559 5.215/6.353 5.617 ± 0.7512
ea26 1342 1342/1342 1342 ± 0.00003554 5.898 5.631/6.974 6.107 ± 0.9034
ea27 1342 1342/1342 1342 ± 0.00003462 5.589 5.33/6.463 5.729 ± 0.7812
ea28 1342 1342/1342 1342 ± 0.00004228 5.726 5.397/6.639 5.819 ± 0.9347
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 ± 0.00002348 5.456 5.303/5.765 5.491 ± 0.284
5 1342 1342/1342 1342 ± 0.00002516 5.33 5.102/5.5 5.32 ± 0.2668
6 1342 1342/1342 1342 ± 0.00002348 5.361 5.122/5.517 5.308 ± 0.2849
7 1342 1342/1342 1342 ± 0.00002348 5.36 5.164/5.54 5.349 ± 0.2765
8 1342 1342/1342 1342 ± 0.00002348 5.347 5.136/5.5 5.303 ± 0.3009
9 1342 1342/1342 1342 ± 0.00002423 5.633 5.425/5.884 5.609 ± 0.2956
10 1342 1342/1342 1342 ± 0.00002348 6.077 5.864/6.243 6.044 ± 0.3354
11 1342 1342/1342 1342 ± 0.00002348 6.393 6.227/6.526 6.327 ± 0.3404
12 1342 1342/1342 1342 ± 0.00002348 6.552 6.374/6.774 6.526 ± 0.3732
13 1342 1342/1342 1342 ± 0.00002348 6.894 6.652/7.083 6.832 ± 0.4068
14 1342 1342/1342 1342 ± 0.00002406 6.712 6.435/7.148 6.727 ± 0.5289
15 1342 1342/1342 1342 ± 0.00002447 6.71 6.431/6.972 6.635 ± 0.4851
16 1342 1342/1342 1342 ± 0.00006065 4.039 3.858/4.287 4.083 ± 0.3447
17 1342 1342/1342 1342 ± 0.00006067 4.085 3.874/4.342 4.103 ± 0.339
datacolumn
residual_data
output_dir
 
statwtmode
VLASS-SE
vis
VLASS2.1.sb38602933.eb38631109.59096.27884142361_split_split.ms
overwrite_modelcol
False
Start time
2024-11-01 18:52:47.548
End
2024-11-01 19:55:36.457
Duration
1:02:48.909
Note, WebLog generation is not included in the time.

CASA logs for stage 8