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

Statwt Summary Plot

VLASS2.2.sb41027522.eb41031268.59557.25108456019_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 5.946 5.697/6.769 6.154 ± 0.7898
ea03 1342 1342/1342 1342 ± 0.000003667 5.479 4.92/6.424 5.624 ± 0.8586
ea04 1342 1342/1342 1342 ± 0 5.58 5.153/6.382 5.752 ± 0.8151
ea05 1342 1342/1342 1342 ± 0 6.039 5.502/6.921 6.191 ± 0.7451
ea06 1342 1342/1342 1342 ± 0 6.034 5.37/6.531 5.979 ± 0.7654
ea07 1342 1342/1342 1342 ± 0 6.007 5.348/6.441 5.95 ± 0.7896
ea08 1342 1342/1342 1342 ± 0.000002009 5.707 5.26/6.568 5.908 ± 0.8506
ea09 1342 1342/1342 1342 ± 0 5.996 5.428/6.856 6.037 ± 0.8463
ea10 1342 1342/1342 1342 ± 0 6.337 5.463/6.989 6.244 ± 0.7595
ea11 1342 1342/1342 1342 ± 0 6.1 5.183/6.624 5.952 ± 0.9259
ea12 1342 1342/1342 1342 ± 0 6.13 5.494/6.782 6.169 ± 0.9127
ea13 1342 1342/1342 1342 ± 0 5.545 5.444/6.109 5.678 ± 0.6587
ea14 1342 1342/1342 1342 ± 0.00000418 6.116 5.54/6.791 6.153 ± 0.8931
ea15 1342 1342/1342 1342 ± 0 5.739 5.263/6.342 5.783 ± 0.7747
ea16 1342 1342/1342 1342 ± 0 6.17 5.599/6.84 6.21 ± 0.9162
ea17 1342 1342/1342 1342 ± 0 6.461 5.965/7.48 6.662 ± 0.9319
ea18 1342 1342/1342 1342 ± 0 5.139 4.659/5.531 5.151 ± 0.5239
ea19 1342 1342/1342 1342 ± 0 6.181 5.614/6.886 6.241 ± 0.9041
ea20 1342 1342/1342 1342 ± 0 5.83 5.326/6.476 5.88 ± 0.7983
ea21 1342 1342/1342 1342 ± 0 5.2 4.892/5.809 5.303 ± 0.6323
ea22 1342 1342/1342 1342 ± 0 5.925 5.269/6.592 5.93 ± 0.8465
ea23 1342 1342/1342 1342 ± 0 6.362 5.571/6.725 6.216 ± 0.7816
ea24 1342 1342/1342 1342 ± 0.00002888 5.562 5.095/6.412 5.565 ± 0.9753
ea25 1342 1342/1342 1342 ± 0 6.288 5.504/7.009 6.272 ± 0.9972
ea26 1342 1342/1342 1342 ± 0 6.328 5.804/7.337 6.443 ± 0.9122
ea27 1342 1342/1342 1342 ± 0 6.03 5.364/6.867 6.076 ± 0.785
ea28 1342 1342/1342 1342 ± 0 5.949 5.668/6.858 6.213 ± 0.8447
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 5.391 5.149/5.63 5.369 ± 0.3115
3 1342 1342/1342 1342 ± 0.00003236 4.994 4.79/5.202 4.958 ± 0.4894
4 1342 1342/1342 1342 ± 0.00002568 4.284 4.219/4.381 4.32 ± 0.2722
5 1342 1342/1342 1342 ± 0.00002305 5.488 5.175/5.566 5.39 ± 0.3172
6 1342 1342/1342 1342 ± 0.00002305 5.415 5.198/5.588 5.372 ± 0.2904
7 1342 1342/1342 1342 ± 0.00002305 5.461 5.294/5.636 5.443 ± 0.2867
8 1342 1342/1342 1342 ± 0.00002305 5.394 5.161/5.62 5.388 ± 0.3254
9 1342 1342/1342 1342 ± 0.00002305 5.753 5.522/5.919 5.708 ± 0.3214
10 1342 1342/1342 1342 ± 0.00002305 6.377 6.112/6.481 6.269 ± 0.3317
11 1342 1342/1342 1342 ± 0.00002305 6.607 6.369/6.739 6.514 ± 0.3541
12 1342 1342/1342 1342 ± 0.00002305 6.729 6.431/6.908 6.665 ± 0.4229
13 1342 1342/1342 1342 ± 0.00002305 7.159 6.942/7.52 7.158 ± 0.4538
14 1342 1342/1342 1342 ± 0.00002305 7.394 7.044/7.636 7.332 ± 0.4603
15 1342 1342/1342 1342 ± 0.00002305 7.004 6.711/7.284 6.968 ± 0.4247
16 1342 1342/1342 1342 ± 0.00002305 6.35 6.081/6.672 6.349 ± 0.4368
17 1342 1342/1342 1342 ± 0.00002326 6.326 5.986/6.56 6.248 ± 0.4818
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.2.sb41027522.eb41031268.59557.25108456019_split_split.ms
output_dir
 
statwtmode
VLASS-SE
Start time
2025-06-11 14:42:51.265
End
2025-06-11 15:46:08.770
Duration
1:03:17.506
Note, WebLog generation is not included in the time.

CASA logs for stage 8