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

Statwt Summary Plot

VLASS2.1.sb38482214.eb38565046.59071.1506340625_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 5.259 5.065/5.921 5.311 ± 0.7414
ea02 1342 1342/1342 1342 ± 0.00004272 5.773 5.291/6.521 5.714 ± 0.9432
ea05 1342 1342/1342 1342 ± 0.00001115 5.544 5.094/6.181 5.579 ± 0.7113
ea06 1342 1342/1342 1342 ± 0.00000131 5.028 4.854/5.574 5.007 ± 0.6766
ea07 1342 1342/1342 1342 ± 0.00004352 5.735 5.265/5.902 5.416 ± 0.7663
ea08 1342 1342/1342 1342 ± 0.00004272 6.007 5.564/6.832 5.982 ± 1.028
ea09 1342 1342/1342 1342 ± 0.00001884 4.187 3.252/5.569 4.423 ± 1.126
ea10 1342 1342/1342 1342 ± 0.00004297 5.458 5.004/6.226 5.441 ± 0.8579
ea11 1342 1342/1342 1342 ± 0 5.839 5.32/6.493 5.894 ± 0.6293
ea12 1342 1342/1342 1342 ± 0.000003465 5.519 5.25/6.422 5.63 ± 0.9719
ea13 1342 1342/1342 1342 ± 0.00002408 5.943 5.666/6.338 5.927 ± 0.696
ea14 1342 1342/1342 1342 ± 0.00001388 6.37 5.63/6.474 5.862 ± 0.9512
ea15 1342 1342/1342 1342 ± 0 5.377 5.059/6.184 5.521 ± 0.8563
ea16 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea17 1342 1342/1342 1342 ± 0.00004357 5.804 5.367/6.67 5.811 ± 0.9577
ea18 1342 1342/1342 1342 ± 0.00002885 4.934 4.554/5.663 4.935 ± 0.8035
ea19 1342 1342/1342 1342 ± 0 5.714 5.402/6.402 5.795 ± 0.7279
ea20 1342 1342/1342 1342 ± 0.00001092 5.89 5.626/6.868 5.953 ± 1.127
ea21 1342 1342/1342 1342 ± 0.00001549 5.601 5.298/6.147 5.537 ± 0.7445
ea22 1342 1342/1342 1342 ± 0.00003584 5.342 5.004/6.438 5.554 ± 0.8416
ea23 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea25 1342 1342/1342 1342 ± 0 5.348 5.279/5.413 5.317 ± 0.1671
ea26 1342 1342/1342 1342 ± 0.00003179 5.54 5.331/6.54 5.749 ± 0.7731
ea27 1342 1342/1342 1342 ± 0.00004378 5.411 5.1/6.398 5.487 ± 0.9005
ea28 1342 1342/1342 1342 ± 0.00005291 6.404 5.673/6.656 5.882 ± 1.139
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.
3 1342 1342/1342 1342 ± 0.00002671 5.237 4.867/5.486 5.179 ± 0.6066
5 1342 1342/1342 1342 ± 0.00002635 5.35 5.152/5.449 5.248 ± 0.5462
6 1342 1342/1342 1342 ± 0.00002605 5.338 5.11/5.434 5.218 ± 0.5107
7 1342 1342/1342 1342 ± 0.00002605 5.292 5.123/5.404 5.216 ± 0.4923
8 1342 1342/1342 1342 ± 0.00002605 5.268 5.062/5.421 5.152 ± 0.5196
9 1342 1342/1342 1342 ± 0.00002605 5.542 5.389/5.787 5.446 ± 0.5779
10 1342 1342/1342 1342 ± 0.00002548 5.977 5.741/6.136 5.931 ± 0.3624
11 1342 1342/1342 1342 ± 0.00002548 6.296 6.147/6.398 6.22 ± 0.3479
12 1342 1342/1342 1342 ± 0.00002548 6.436 6.13/6.531 6.345 ± 0.3553
13 1342 1342/1342 1342 ± 0.00002552 6.72 6.256/6.858 6.603 ± 0.3876
14 1342 1342/1342 1342 ± 0.00002728 6.53 5.953/6.879 6.44 ± 0.4923
15 1342 1342/1342 1342 ± 0.0000271 6.484 6.273/6.685 6.436 ± 0.454
16 1342 1342/1342 1342 ± 0.00006092 3.851 3.673/4.135 3.912 ± 0.3189
17 1342 1342/1342 1342 ± 0.00006081 4.089 3.855/4.322 4.08 ± 0.3254
vis
VLASS2.1.sb38482214.eb38565046.59071.1506340625_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
statwtmode
VLASS-SE
Start time
2024-04-22 03:17:50.793
End
2024-04-22 04:05:23.289
Duration
0:47:32.496
Note, WebLog generation is not included in the time.

CASA logs for stage 7