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

Statwt Summary Plot

VLASS2.1.sb38523814.eb38632964.59098.28982543982_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 5.763 5.431/6.111 5.841 ± 0.5144
ea02 1342 1342/1342 1342 ± 0 6.164 5.602/6.745 6.22 ± 0.6395
ea04 1342 1342/1342 1342 ± 0 5.583 5.216/6.142 5.695 ± 0.5502
ea05 1342 1342/1342 1342 ± 0 5.815 5.405/6.229 5.854 ± 0.5802
ea06 1342 1342/1342 1342 ± 0 4.838 4.663/5.336 4.977 ± 0.3959
ea07 1342 1342/1342 1342 ± 0 6.063 5.636/6.404 6.146 ± 0.5585
ea08 1342 1342/1342 1342 ± 0 6.071 5.717/6.86 6.317 ± 0.6509
ea09 1342 1342/1342 1342 ± 0 5.81 5.327/6.365 5.916 ± 0.6421
ea10 1342 1342/1342 1342 ± 0.0000101 6.02 5.545/6.727 6.138 ± 0.6549
ea11 1342 1342/1342 1342 ± 0 5.96 5.303/6.448 5.955 ± 0.6593
ea12 1342 1342/1342 1342 ± 0 5.873 5.524/6.515 6.079 ± 0.6245
ea13 1342 1342/1342 1342 ± 0 6.414 5.894/6.6 6.298 ± 0.5139
ea14 1342 1342/1342 1342 ± 0 5.905 5.397/6.451 5.976 ± 0.6535
ea15 1342 1342/1342 1342 ± 0 5.68 5.21/6.32 5.84 ± 0.701
ea16 1342 1342/1342 1342 ± 0 6.327 5.84/6.875 6.463 ± 0.7046
ea17 1342 1342/1342 1342 ± 0.000008449 6.121 5.722/6.851 6.257 ± 0.641
ea18 1342 1342/1342 1342 ± 0 5.139 4.851/5.638 5.259 ± 0.5181
ea19 1342 1342/1342 1342 ± 0 5.792 5.639/6.813 6.246 ± 0.6773
ea20 1342 1342/1342 1342 ± 0 6.223 5.846/6.818 6.362 ± 0.6479
ea21 1342 1342/1342 1342 ± 0 5.802 5.508/6.351 5.959 ± 0.5659
ea22 1342 1342/1342 1342 ± 0 6.043 5.345/6.486 5.937 ± 0.6106
ea23 1342 1342/1342 1342 ± 0 6.219 5.685/6.769 6.286 ± 0.6877
ea25 1342 1342/1342 1342 ± 0.000001195 5.776 5.393/6.314 5.877 ± 0.5886
ea26 1342 1342/1342 1342 ± 0 6.359 5.745/6.999 6.352 ± 0.6747
ea27 1342 1342/1342 1342 ± 0.00002029 5.731 5.496/6.532 5.94 ± 0.5917
ea28 1342 1342/1342 1342 ± 0 5.803 5.552/6.559 6.03 ± 0.6433
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 ± 0.0000235 5.529 5.329/5.733 5.507 ± 0.2803
3 1342 1342/1342 1342 ± 0.00002585 5.269 5.119/5.561 5.299 ± 0.314
4 1342 1342/1342 1342 ± 0.00002695 5.253 5.079/5.57 5.256 ± 0.3311
5 1342 1342/1342 1342 ± 0.0000235 5.57 5.329/5.757 5.533 ± 0.3492
6 1342 1342/1342 1342 ± 0.0000235 5.513 5.238/5.653 5.453 ± 0.31
7 1342 1342/1342 1342 ± 0.0000235 5.526 5.343/5.686 5.494 ± 0.2897
8 1342 1342/1342 1342 ± 0.0000235 5.514 5.307/5.631 5.434 ± 0.3155
9 1342 1342/1342 1342 ± 0.0000235 5.76 5.521/6.008 5.714 ± 0.3709
10 1342 1342/1342 1342 ± 0.00002395 6.147 5.963/6.368 6.123 ± 0.3434
11 1342 1342/1342 1342 ± 0.00002395 6.417 6.216/6.544 6.336 ± 0.3477
12 1342 1342/1342 1342 ± 0.0000235 6.511 6.418/6.774 6.511 ± 0.3808
13 1342 1342/1342 1342 ± 0.0000235 7.013 6.919/7.242 6.993 ± 0.4016
14 1342 1342/1342 1342 ± 0.0000235 7.267 7.022/7.458 7.164 ± 0.4493
15 1342 1342/1342 1342 ± 0.0000235 6.752 6.563/7.047 6.711 ± 0.4257
16 1342 1342/1342 1342 ± 0.00002667 6.109 5.968/6.491 6.14 ± 0.3805
17 1342 1342/1342 1342 ± 0.00002619 6.146 5.994/6.364 6.148 ± 0.3518
statwtmode
VLASS-SE
vis
VLASS2.1.sb38523814.eb38632964.59098.28982543982_split_split.ms
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
Start time
2025-01-07 02:46:38.188
End
2025-01-07 03:39:17.022
Duration
0:52:38.834
Note, WebLog generation is not included in the time.

CASA logs for stage 8