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

Statwt Summary Plot

VLASS2.1.sb38602933.eb38631109.59096.27884142361_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 5.425 5.24/6.03 5.501 ± 0.7956
ea02 1342 1342/1342 1342 ± 0.00004281 5.889 5.467/6.556 5.807 ± 0.9823
ea04 1342 1342/1342 1342 ± 0.000001249 5.395 5.117/6.192 5.534 ± 0.7881
ea05 1342 1342/1342 1342 ± 0.00001876 5.515 5.117/6.446 5.712 ± 0.7932
ea06 1342 1342/1342 1342 ± 0.000004141 4.893 4.727/5.318 4.859 ± 0.5893
ea07 1342 1342/1342 1342 ± 0.00004272 5.974 5.496/6.405 5.876 ± 0.9275
ea08 1342 1342/1342 1342 ± 0.00004309 6.014 5.679/6.805 5.982 ± 1.021
ea09 1342 1342/1342 1342 ± 0.000003304 5.624 5.195/6.395 5.659 ± 0.8084
ea10 1342 1342/1342 1342 ± 0.00004275 5.822 5.438/6.726 5.84 ± 0.9548
ea11 1342 1342/1342 1342 ± 0.0000427 5.773 5.21/6.647 5.776 ± 1.021
ea12 1342 1342/1342 1342 ± 0.000005719 5.729 5.41/6.67 5.86 ± 1.047
ea13 1342 1342/1342 1342 ± 0.00001503 5.931 5.824/6.521 6.008 ± 0.7522
ea14 1342 1342/1342 1342 ± 0.00001786 5.623 5.24/6.524 5.741 ± 0.8556
ea15 1342 1342/1342 1342 ± 0 5.437 5.236/6.341 5.699 ± 0.8902
ea16 1342 1342/1342 1342 ± 0.00003306 5.935 5.573/6.907 6.079 ± 1.023
ea17 1342 1342/1342 1342 ± 0.00004299 5.876 5.596/6.667 5.881 ± 0.9737
ea18 1342 1342/1342 1342 ± 0.00003384 5.07 4.655/5.78 5.097 ± 0.7338
ea19 1342 1342/1342 1342 ± 0.00001153 5.796 5.571/6.873 6.072 ± 0.8881
ea20 1342 1342/1342 1342 ± 0.00002157 5.96 5.785/7.068 6.128 ± 1.098
ea21 1342 1342/1342 1342 ± 0.00002667 5.544 5.416/6.421 5.745 ± 0.839
ea22 1342 1342/1342 1342 ± 0.00003916 5.406 5.18/6.319 5.517 ± 0.8587
ea23 1342 1342/1342 1342 ± 0.00004272 5.778 5.533/6.706 5.952 ± 0.9498
ea25 1342 1342/1342 1342 ± 0.00004272 5.498 5.294/6.41 5.575 ± 0.8778
ea26 1342 1342/1342 1342 ± 0.00001669 5.944 5.662/7.028 6.088 ± 0.875
ea27 1342 1342/1342 1342 ± 0.00004307 5.643 5.211/6.496 5.646 ± 0.9003
ea28 1342 1342/1342 1342 ± 0.00004335 5.743 5.462/6.543 5.771 ± 0.9328
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 5.52 5.322/5.794 5.543 ± 0.2758
5 1342 1342/1342 1342 ± 0.00002368 5.457 5.213/5.61 5.405 ± 0.3181
6 1342 1342/1342 1342 ± 0.00002348 5.415 5.21/5.578 5.374 ± 0.299
7 1342 1342/1342 1342 ± 0.00002348 5.464 5.302/5.618 5.445 ± 0.2851
8 1342 1342/1342 1342 ± 0.00002348 5.429 5.231/5.573 5.38 ± 0.2946
9 1342 1342/1342 1342 ± 0.00002348 5.658 5.462/5.947 5.661 ± 0.3404
10 1342 1342/1342 1342 ± 0.00002348 6.09 5.903/6.296 6.082 ± 0.3305
11 1342 1342/1342 1342 ± 0.00002348 6.398 6.281/6.547 6.365 ± 0.3501
12 1342 1342/1342 1342 ± 0.00002348 6.626 6.413/6.803 6.562 ± 0.3826
13 1342 1342/1342 1342 ± 0.00002348 6.889 6.684/7.151 6.861 ± 0.4266
14 1342 1342/1342 1342 ± 0.00002561 6.789 6.426/7.166 6.78 ± 0.533
15 1342 1342/1342 1342 ± 0.00002348 6.816 6.669/7.125 6.812 ± 0.4922
16 1342 1342/1342 1342 ± 0.00006006 3.979 3.803/4.288 4.054 ± 0.3122
17 1342 1342/1342 1342 ± 0.00006103 4.061 3.917/4.347 4.128 ± 0.2731
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.1.sb38602933.eb38631109.59096.27884142361_split_split.ms
Start time
2024-11-01 16:32:13.212
End
2024-11-01 17:27:47.949
Duration
0:55:34.736
Note, WebLog generation is not included in the time.

CASA logs for stage 8