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

Statwt Summary Plot

VLASS2.1.sb38663900.eb38831428.59145.025327407406_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 5.374 5.255/6.071 5.465 ± 0.744
ea02 1342 1342/1342 1342 ± 0.00004381 5.777 5.277/6.42 5.69 ± 0.9213
ea03 1342 1342/1342 1342 ± 0.00001821 4.851 4.621/5.782 5.058 ± 0.7448
ea04 1342 1342/1342 1342 ± 0.00003091 5.321 5.082/6.112 5.388 ± 0.8231
ea05 1342 1342/1342 1342 ± 0.00002468 5.454 5.1/6.297 5.574 ± 0.8507
ea06 1342 1342/1342 1342 ± 0.000004593 4.29 4.135/4.853 4.323 ± 0.5942
ea07 1342 1342/1342 1342 ± 0.00004269 5.839 5.241/6.168 5.657 ± 0.8357
ea08 1342 1342/1342 1342 ± 0.00004367 5.949 5.49/6.685 5.884 ± 0.9858
ea09 1342 1342/1342 1342 ± 0.00002386 5.5 5.04/6.137 5.425 ± 0.8085
ea10 1342 1342/1342 1342 ± 0.00004276 5.837 5.24/6.647 5.724 ± 0.9224
ea11 1342 1342/1342 1342 ± 0.000005506 5.493 4.971/6.312 5.53 ± 0.9834
ea12 1342 1342/1342 1342 ± 0.00003924 5.577 5.292/6.535 5.674 ± 0.9002
ea13 1342 1342/1342 1342 ± 0.00002478 5.898 5.626/6.319 5.795 ± 0.8329
ea14 1342 1342/1342 1342 ± 0 5.508 5.054/6.161 5.482 ± 0.9285
ea15 1342 1342/1342 1342 ± 0.000006024 3.666 3.549/4.644 3.949 ± 0.845
ea16 1342 1342/1342 1342 ± 0.00003048 5.794 5.521/6.673 5.852 ± 0.9744
ea17 1342 1342/1342 1342 ± 0.000008578 6.059 5.546/7.268 6.104 ± 1.097
ea18 1342 1342/1342 1342 ± 0.00004205 4.726 4.426/5.357 4.78 ± 0.5984
ea19 1342 1342/1342 1342 ± 0.00001879 5.352 5.174/6.203 5.539 ± 0.8169
ea20 1342 1342/1342 1342 ± 0.00002122 5.863 5.732/7.001 6.014 ± 1.057
ea21 1342 1342/1342 1342 ± 0.00002997 5.77 5.041/6.294 5.586 ± 0.8925
ea23 1342 1342/1342 1342 ± 0.00004047 5.471 5.242/5.624 5.229 ± 0.7181
ea24 1342 1342/1342 1342 ± 0.0000363 5.661 5.254/6.311 5.553 ± 0.8558
ea25 1342 1342/1342 1342 ± 0.00004434 5.534 5.257/6.24 5.493 ± 0.8253
ea26 1342 1342/1342 1342 ± 0.00002881 5.844 5.522/6.559 5.814 ± 0.8998
ea27 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea28 1342 1342/1342 1342 ± 0.00004422 5.356 5.136/6.111 5.45 ± 0.793
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 ± 0.00002383 5.351 5.073/5.519 5.216 ± 0.4865
5 1342 1342/1342 1342 ± 0.00002383 5.392 5.125/5.604 5.274 ± 0.5506
6 1342 1342/1342 1342 ± 0.00002383 5.257 4.969/5.516 5.143 ± 0.4963
7 1342 1342/1342 1342 ± 0.00002383 5.246 5.088/5.519 5.204 ± 0.4821
8 1342 1342/1342 1342 ± 0.00002383 5.258 5.123/5.48 5.195 ± 0.4994
9 1342 1342/1342 1342 ± 0.00002383 5.676 5.333/5.854 5.468 ± 0.5375
10 1342 1342/1342 1342 ± 0.00002383 5.947 5.527/6.145 5.779 ± 0.5806
11 1342 1342/1342 1342 ± 0.00002383 6.157 5.982/6.324 6.069 ± 0.5339
12 1342 1342/1342 1342 ± 0.00002383 6.306 6.115/6.657 6.262 ± 0.5822
13 1342 1342/1342 1342 ± 0.00002383 6.631 6.384/6.875 6.522 ± 0.5497
14 1342 1342/1342 1342 ± 0.00002973 6.544 6.047/6.752 6.402 ± 0.6185
15 1342 1342/1342 1342 ± 0.00002406 6.415 6.042/6.793 6.309 ± 0.7102
16 1342 1342/1342 1342 ± 0.00006038 3.786 3.648/3.909 3.719 ± 0.3617
17 1342 1342/1342 1342 ± 0.00006101 3.946 3.801/4.094 3.893 ± 0.3569
datacolumn
residual_data
output_dir
 
vis
VLASS2.1.sb38663900.eb38831428.59145.025327407406_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-01-11 12:27:29.341
End
2025-01-11 13:32:11.442
Duration
1:04:42.100
Note, WebLog generation is not included in the time.

CASA logs for stage 8