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

Statwt Summary Plot

VLASS2.1.sb39020510.eb39074114.59177.52519034722_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 5.408 5.237/6.247 5.575 ± 0.791
ea02 1342 1342/1342 1342 ± 0.00004246 6.26 5.545/6.774 5.985 ± 1.021
ea03 1342 1342/1342 1342 ± 0.00001189 2.069 1.958/2.412 2.19 ± 0.3083
ea04 1342 1342/1342 1342 ± 0.00004159 5.473 5.284/6.28 5.641 ± 0.8239
ea05 1342 1342/1342 1342 ± 0.00002396 5.845 5.266/6.552 5.803 ± 0.8967
ea06 1342 1342/1342 1342 ± 0.00002538 4.43 4.27/5.233 4.53 ± 0.8792
ea07 1342 1342/1342 1342 ± 0.00004012 5.943 5.569/6.477 5.96 ± 0.9328
ea08 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea09 1342 1342/1342 1342 ± 0.00004008 5.662 5.311/6.727 5.798 ± 0.9411
ea10 1342 1342/1342 1342 ± 0.00004179 5.716 5.35/6.929 5.912 ± 1.009
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00004242 5.651 5.393/6.788 5.89 ± 0.9807
ea13 1342 1342/1342 1342 ± 0.0000307 6.074 5.504/6.432 5.946 ± 0.8415
ea14 1342 1342/1342 1342 ± 0.00003958 5.504 5.052/6.387 5.581 ± 0.9182
ea15 1342 1342/1342 1342 ± 0.00002289 3.366 3.282/4.244 3.533 ± 0.8465
ea16 1342 1342/1342 1342 ± 0.00003529 5.968 5.486/6.861 5.997 ± 1.091
ea17 1342 1342/1342 1342 ± 0.00003455 6.176 5.589/7.133 6.175 ± 1.063
ea18 1342 1342/1342 1342 ± 0.00004091 4.961 4.675/5.936 5.128 ± 0.7679
ea19 1342 1342/1342 1342 ± 0.00001572 5.759 5.52/6.691 5.928 ± 0.9337
ea20 1342 1342/1342 1342 ± 0.00003941 6.009 5.881/7.139 6.226 ± 0.9863
ea23 1342 1342/1342 1342 ± 0.00003941 5.693 5.395/6.761 5.996 ± 1.017
ea24 1342 1342/1342 1342 ± 0.00004199 5.412 5.056/6.408 5.554 ± 0.8767
ea25 1342 1342/1342 1342 ± 0.00004121 5.766 5.376/6.689 5.88 ± 0.9401
ea26 1342 1342/1342 1342 ± 0.00001219 1.538 1.491/1.644 1.574 ± 0.114
ea27 1342 1342/1342 1342 ± 0.00004134 5.597 5.29/6.767 5.817 ± 0.9439
ea28 1342 1342/1342 1342 ± 0.00004131 5.438 5.341/6.427 5.698 ± 0.8368
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 ± 0.00002451 5.375 4.942/5.601 4.941 ± 1.114
3 1342 1342/1342 1342 ± 0.0000309 5.153 4.319/5.575 4.753 ± 1.242
5 1342 1342/1342 1342 ± 0.00002455 5.591 5.146/5.861 5.209 ± 1.241
6 1342 1342/1342 1342 ± 0.00002451 5.365 5.022/5.537 4.954 ± 1.105
7 1342 1342/1342 1342 ± 0.00002451 5.411 5.181/5.565 5.035 ± 1.113
8 1342 1342/1342 1342 ± 0.00002451 5.346 5.065/5.571 4.995 ± 1.121
9 1342 1342/1342 1342 ± 0.00002451 5.412 5.262/5.769 5.128 ± 1.198
10 1342 1342/1342 1342 ± 0.00002451 6.157 5.824/6.312 5.648 ± 1.276
11 1342 1342/1342 1342 ± 0.00002451 6.401 6.033/6.564 5.918 ± 1.316
12 1342 1342/1342 1342 ± 0.00002451 6.545 6.258/6.791 6.106 ± 1.385
13 1342 1342/1342 1342 ± 0.00002451 6.995 6.508/7.22 6.489 ± 1.466
14 1342 1342/1342 1342 ± 0.00002451 7.113 6.67/7.323 6.567 ± 1.484
15 1342 1342/1342 1342 ± 0.00002534 6.726 6.333/6.988 6.207 ± 1.437
16 1342 1342/1342 1342 ± 0.0000536 4.002 3.742/4.17 3.666 ± 0.92
17 1342 1342/1342 1342 ± 0.00005589 4.087 3.875/4.247 3.805 ± 0.8302
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
vis
VLASS2.1.sb39020510.eb39074114.59177.52519034722_split_split.ms
Start time
2025-01-11 10:25:06.624
End
2025-01-11 11:21:29.195
Duration
0:56:22.571
Note, WebLog generation is not included in the time.

CASA logs for stage 8