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

Statwt Summary Plot

VLASS2.1.sb38504727.eb38659863.59113.352947384265_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 5.745 5.6/6.435 6.034 ± 0.5226
ea02 1342 1342/1342 1342 ± 0.00001769 6.155 5.413/6.65 6.141 ± 0.71
ea04 1342 1342/1342 1342 ± 0.000008806 5.654 5.315/6.156 5.787 ± 0.5401
ea05 1342 1342/1342 1342 ± 0.00001156 5.888 5.572/6.662 6.063 ± 0.6206
ea06 1342 1342/1342 1342 ± 0.00001527 5.109 4.939/5.666 5.295 ± 0.4422
ea07 1342 1342/1342 1342 ± 0.00004283 6.137 5.659/6.553 6.258 ± 0.6398
ea08 1342 1342/1342 1342 ± 0.00003407 6.039 5.789/6.902 6.343 ± 0.6929
ea09 1342 1342/1342 1342 ± 0.000002506 5.971 5.489/6.643 6.059 ± 0.6115
ea10 1342 1342/1342 1342 ± 0.00004343 6.232 5.659/7.039 6.373 ± 0.7173
ea11 1342 1342/1342 1342 ± 0.00004308 6.195 5.676/6.912 6.327 ± 0.7127
ea12 1342 1342/1342 1342 ± 0.00001955 6.032 5.669/6.733 6.201 ± 0.6473
ea13 1342 1342/1342 1342 ± 0 6.386 5.739/6.581 6.317 ± 0.5884
ea14 1342 1342/1342 1342 ± 0.00003996 5.736 5.351/6.459 5.958 ± 0.6387
ea15 1342 1342/1342 1342 ± 0.000008294 5.816 5.464/6.464 6.006 ± 0.6445
ea16 1342 1342/1342 1342 ± 0.00001328 6.046 5.557/6.789 6.231 ± 0.8108
ea17 1342 1342/1342 1342 ± 0.0000446 6.223 5.981/7.009 6.538 ± 0.7045
ea18 1342 1342/1342 1342 ± 0.00004333 5.335 5.129/5.964 5.514 ± 0.533
ea19 1342 1342/1342 1342 ± 0.00002497 6.154 5.684/6.959 6.353 ± 0.694
ea20 1342 1342/1342 1342 ± 0.00003084 6.247 6.058/7.06 6.546 ± 0.6791
ea21 1342 1342/1342 1342 ± 0.00002786 5.672 5.382/6.469 5.958 ± 0.6715
ea22 1342 1342/1342 1342 ± 0.000007346 5.983 5.27/6.377 5.886 ± 0.7161
ea23 1342 1342/1342 1342 ± 0.00004252 6.041 5.697/6.784 6.273 ± 0.709
ea25 1342 1342/1342 1342 ± 0.00004428 5.971 5.693/6.647 6.191 ± 0.6607
ea26 1342 1342/1342 1342 ± 0.000006258 6.276 5.896/6.931 6.413 ± 0.5772
ea27 1342 1342/1342 1342 ± 0.00004303 5.853 5.708/6.802 6.164 ± 0.6386
ea28 1342 1342/1342 1342 ± 0.00004348 5.951 5.719/6.742 6.266 ± 0.6296
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 ± 0.00002351 5.586 5.356/5.783 5.571 ± 0.3377
5 1342 1342/1342 1342 ± 0.00002718 5.787 5.535/5.967 5.788 ± 0.318
6 1342 1342/1342 1342 ± 0.00002355 5.549 5.321/5.74 5.487 ± 0.2924
7 1342 1342/1342 1342 ± 0.00002351 5.609 5.315/5.691 5.547 ± 0.2734
8 1342 1342/1342 1342 ± 0.00002351 5.49 5.324/5.701 5.513 ± 0.3205
9 1342 1342/1342 1342 ± 0.00002366 5.855 5.587/5.989 5.778 ± 0.3179
10 1342 1342/1342 1342 ± 0.00002351 6.276 6.13/6.498 6.271 ± 0.312
11 1342 1342/1342 1342 ± 0.00002351 6.483 6.368/6.71 6.513 ± 0.3313
12 1342 1342/1342 1342 ± 0.00002396 6.734 6.463/6.864 6.67 ± 0.369
13 1342 1342/1342 1342 ± 0.00002351 7.237 6.979/7.375 7.13 ± 0.3675
14 1342 1342/1342 1342 ± 0.00002351 7.433 7.089/7.576 7.308 ± 0.388
15 1342 1342/1342 1342 ± 0.00002682 6.812 6.669/7.059 6.782 ± 0.4086
16 1342 1342/1342 1342 ± 0.00006078 5.618 5.437/5.904 5.63 ± 0.3392
17 1342 1342/1342 1342 ± 0.00006089 5.823 5.675/6.102 5.853 ± 0.3546
datacolumn
residual_data
vis
VLASS2.1.sb38504727.eb38659863.59113.352947384265_split_split.ms
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
Start time
2025-01-07 11:57:38.783
End
2025-01-07 12:52:48.589
Duration
0:55:09.806
Note, WebLog generation is not included in the time.

CASA logs for stage 8