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

Statwt Summary Plot

VLASS2.1.sb38610195.eb38638028.59101.102248043986_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 5.73 5.39/6.233 5.848 ± 0.6396
ea02 1342 1342/1342 1342 ± 0 5.938 5.51/6.619 6.126 ± 0.7242
ea04 1342 1342/1342 1342 ± 0 5.664 5.141/6.233 5.768 ± 0.6233
ea05 1342 1342/1342 1342 ± 0 6.001 5.356/6.53 5.914 ± 0.6505
ea06 1342 1342/1342 1342 ± 0 4.937 4.739/5.31 5.016 ± 0.3668
ea07 1342 1342/1342 1342 ± 0 6.254 5.586/6.413 6.191 ± 0.6308
ea08 1342 1342/1342 1342 ± 0 5.928 5.624/6.754 6.213 ± 0.728
ea09 1342 1342/1342 1342 ± 0 5.827 5.325/6.455 5.954 ± 0.6873
ea10 1342 1342/1342 1342 ± 0 6.124 5.38/6.684 6.074 ± 0.7324
ea11 1342 1342/1342 1342 ± 0 6.058 5.293/6.54 6.015 ± 0.7277
ea12 1342 1342/1342 1342 ± 0 5.753 5.46/6.606 6.11 ± 0.7255
ea13 1342 1342/1342 1342 ± 0 6.517 5.903/6.65 6.378 ± 0.5623
ea14 1342 1342/1342 1342 ± 0 6.1 5.361/6.599 6.047 ± 0.7329
ea15 1342 1342/1342 1342 ± 0 5.86 5.202/6.376 5.901 ± 0.7266
ea16 1342 1342/1342 1342 ± 0 6.346 5.778/7.022 6.478 ± 0.7997
ea17 1342 1342/1342 1342 ± 0 6.085 5.708/6.748 6.284 ± 0.7208
ea18 1342 1342/1342 1342 ± 0 5.201 4.784/5.691 5.279 ± 0.5509
ea19 1342 1342/1342 1342 ± 0 6.399 5.708/6.988 6.439 ± 0.7421
ea20 1342 1342/1342 1342 ± 0 6.446 5.837/7.08 6.449 ± 0.6819
ea21 1342 1342/1342 1342 ± 0 6.015 5.464/6.454 6.025 ± 0.6138
ea22 1342 1342/1342 1342 ± 0 5.498 5.278/6.246 5.809 ± 0.6866
ea23 1342 1342/1342 1342 ± 0 6.289 5.587/6.731 6.287 ± 0.7415
ea25 1342 1342/1342 1342 ± 0 5.543 5.247/6.282 5.79 ± 0.6147
ea26 1342 1342/1342 1342 ± 0 6.419 5.744/7.092 6.402 ± 0.7056
ea27 1342 1342/1342 1342 ± 0.000008218 5.738 5.38/6.562 5.9 ± 0.6607
ea28 1342 1342/1342 1342 ± 0.00002164 5.83 5.499/6.555 6.031 ± 0.7037
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 5.435 5.251/5.718 5.457 ± 0.2816
3 1342 1342/1342 1342 ± 0.00003836 5.039 4.924/5.172 5.04 ± 0.2083
4 1342 1342/1342 1342 ± 0.00002436 5.374 5.094/5.57 5.314 ± 0.3378
5 1342 1342/1342 1342 ± 0.00002348 5.457 5.182/5.641 5.425 ± 0.3396
6 1342 1342/1342 1342 ± 0.00002348 5.425 5.205/5.568 5.389 ± 0.309
7 1342 1342/1342 1342 ± 0.00002348 5.451 5.284/5.611 5.439 ± 0.2843
8 1342 1342/1342 1342 ± 0.00002348 5.472 5.173/5.613 5.403 ± 0.3114
9 1342 1342/1342 1342 ± 0.00002348 5.723 5.481/5.978 5.693 ± 0.3461
10 1342 1342/1342 1342 ± 0.00002348 6.178 6.001/6.398 6.134 ± 0.3404
11 1342 1342/1342 1342 ± 0.00002348 6.452 6.254/6.583 6.369 ± 0.3518
12 1342 1342/1342 1342 ± 0.00002392 6.564 6.284/6.772 6.485 ± 0.4973
13 1342 1342/1342 1342 ± 0.00002348 7.08 6.91/7.236 7.045 ± 0.4275
14 1342 1342/1342 1342 ± 0.00002348 7.338 7.048/7.613 7.274 ± 0.4685
15 1342 1342/1342 1342 ± 0.00002351 6.98 6.75/7.225 6.894 ± 0.4723
16 1342 1342/1342 1342 ± 0.0000262 6.232 5.905/6.561 6.204 ± 0.4439
17 1342 1342/1342 1342 ± 0.00002689 6.221 5.99/6.453 6.19 ± 0.4112
vis
VLASS2.1.sb38610195.eb38638028.59101.102248043986_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
Start time
2025-01-08 10:21:19.467
End
2025-01-08 11:28:43.099
Duration
1:07:23.632
Note, WebLog generation is not included in the time.

CASA logs for stage 8