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

Statwt Summary Plot

VLASS2.1.sb38726305.eb38809014.59142.09063322916_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 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea02 1342 1342/1342 1342 ± 0 5.809 5.291/6.592 5.843 ± 0.8378
ea03 1342 1342/1342 1342 ± 0.00003225 5.025 4.641/6.039 5.219 ± 0.7613
ea04 1342 1342/1342 1342 ± 0.0000335 5.436 5.053/6.142 5.403 ± 0.844
ea05 1342 1342/1342 1342 ± 0.0000182 4.879 4.49/5.46 4.976 ± 0.6508
ea06 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea07 1342 1342/1342 1342 ± 0.00002833 5.781 5.315/6.249 5.802 ± 0.8362
ea08 1342 1342/1342 1342 ± 0.00003767 6.004 5.48/6.779 6.012 ± 0.9101
ea09 1342 1342/1342 1342 ± 0.00004102 5.633 5.111/6.496 5.613 ± 0.8261
ea10 1342 1342/1342 1342 ± 0.00003105 5.843 5.196/6.743 5.846 ± 0.9359
ea11 1342 1342/1342 1342 ± 0.00003775 5.831 5.115/6.593 5.741 ± 0.9389
ea12 1342 1342/1342 1342 ± 0.0000394 5.611 5.297/6.468 5.712 ± 0.9
ea13 1342 1342/1342 1342 ± 0.00003356 5.786 5.652/6.362 5.879 ± 0.7903
ea14 1342 1342/1342 1342 ± 0.0000314 5.588 5.145/6.502 5.742 ± 0.8919
ea15 1342 1342/1342 1342 ± 0.000005372 2.436 2.282/2.833 2.542 ± 0.4246
ea16 1342 1342/1342 1342 ± 0.00003082 5.794 5.421/6.817 5.974 ± 1.027
ea17 1342 1342/1342 1342 ± 0.00003665 6.1 5.656/7.336 6.207 ± 0.9976
ea18 1342 1342/1342 1342 ± 0.00003904 4.826 4.632/5.578 4.892 ± 0.6456
ea19 1342 1342/1342 1342 ± 0.00002857 5.49 5.262/6.359 5.673 ± 0.8461
ea20 1342 1342/1342 1342 ± 0.00003869 5.837 5.561/6.96 6.043 ± 0.9976
ea21 1342 1342/1342 1342 ± 0.00002517 5.543 5.243/6.413 5.647 ± 0.8855
ea23 1342 1342/1342 1342 ± 0.00002765 5.842 5.464/6.674 5.982 ± 0.9468
ea24 1342 1342/1342 1342 ± 0.00004055 5.553 5.267/6.424 5.661 ± 0.8306
ea25 1342 1342/1342 1342 ± 0.0000351 5.542 5.192/6.385 5.6 ± 0.7926
ea26 1342 1342/1342 1342 ± 0.00003356 5.764 5.483/6.843 5.92 ± 0.9108
ea27 1342 1342/1342 1342 ± 0.00003594 5.422 5.069/6.478 5.617 ± 0.828
ea28 1342 1342/1342 1342 ± 0.00003676 5.345 5.09/6.213 5.519 ± 0.7523
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 ± 0.00002393 5.303 5.143/5.558 5.229 ± 0.6232
5 1342 1342/1342 1342 ± 0.00002477 5.296 5.056/5.467 5.176 ± 0.6499
6 1342 1342/1342 1342 ± 0.00002393 5.266 5.056/5.485 5.122 ± 0.6493
7 1342 1342/1342 1342 ± 0.00002393 5.274 5.147/5.473 5.161 ± 0.6519
8 1342 1342/1342 1342 ± 0.00002393 5.284 5.09/5.421 5.14 ± 0.6647
9 1342 1342/1342 1342 ± 0.00002393 5.557 5.285/5.8 5.411 ± 0.7214
10 1342 1342/1342 1342 ± 0.00002393 6.048 5.718/6.171 5.82 ± 0.7816
11 1342 1342/1342 1342 ± 0.00002393 6.343 6.079/6.433 6.11 ± 0.7737
12 1342 1342/1342 1342 ± 0.00002393 6.5 6.242/6.66 6.329 ± 0.8023
13 1342 1342/1342 1342 ± 0.00002393 6.835 6.581/6.965 6.664 ± 0.7911
14 1342 1342/1342 1342 ± 0.00002393 6.888 6.512/7.1 6.682 ± 0.8264
15 1342 1342/1342 1342 ± 0.00002413 6.644 6.271/6.95 6.459 ± 0.9006
16 1342 1342/1342 1342 ± 0.00005629 3.955 3.796/4.108 3.868 ± 0.4976
17 1342 1342/1342 1342 ± 0.00005653 4.078 3.897/4.271 4.003 ± 0.4994
datacolumn
residual_data
vis
VLASS2.1.sb38726305.eb38809014.59142.09063322916_split_split.ms
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-01-11 16:02:12.532
End
2025-01-11 17:18:55.344
Duration
1:16:42.812
Note, WebLog generation is not included in the time.

CASA logs for stage 8