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

Statwt Summary Plot

VLASS2.1.sb38667356.eb38705720.59131.46099141204_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 5.511 5.456/6.236 5.842 ± 0.6063
ea02 1342 1342/1342 1342 ± 0.0000415 6.114 5.642/6.747 6.217 ± 0.6356
ea03 1342 1342/1342 1342 ± 0 5.703 4.979/6.188 5.625 ± 0.612
ea04 1342 1342/1342 1342 ± 0 5.716 5.249/6.211 5.77 ± 0.571
ea05 1342 1342/1342 1342 ± 0 6.167 5.589/6.658 6.004 ± 0.68
ea06 1342 1342/1342 1342 ± 0 4.861 4.611/4.913 4.752 ± 0.2451
ea07 1342 1342/1342 1342 ± 0 6.122 5.71/6.438 6.183 ± 0.6044
ea08 1342 1342/1342 1342 ± 0 6.103 5.707/6.898 6.282 ± 0.7064
ea09 1342 1342/1342 1342 ± 0 5.978 5.465/6.705 6.03 ± 0.7078
ea10 1342 1342/1342 1342 ± 0 6.013 5.524/6.789 6.129 ± 0.6752
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 6.053 5.437/6.47 6.008 ± 0.6877
ea13 1342 1342/1342 1342 ± 0 6.621 6.029/6.758 6.397 ± 0.6713
ea14 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea15 1342 1342/1342 1342 ± 0 6.127 5.617/6.566 6.151 ± 0.6706
ea16 1342 1342/1342 1342 ± 0 6.452 5.913/6.971 6.461 ± 0.7762
ea17 1342 1342/1342 1342 ± 0 6.631 5.999/7.246 6.643 ± 0.6662
ea18 1342 1342/1342 1342 ± 0 5.12 4.758/5.574 5.167 ± 0.5078
ea19 1342 1342/1342 1342 ± 0 6.217 5.604/6.708 6.14 ± 0.6262
ea20 1342 1342/1342 1342 ± 0 6.109 5.594/6.706 6.088 ± 0.6855
ea21 1342 1342/1342 1342 ± 0 5.986 5.643/6.58 6.078 ± 0.6343
ea22 1342 1342/1342 1342 ± 0 5.98 5.481/6.478 5.968 ± 0.5899
ea23 1342 1342/1342 1342 ± 0 6.294 5.677/6.725 6.239 ± 0.6913
ea24 1342 1342/1342 1342 ± 0 6.096 5.684/6.836 6.159 ± 0.6904
ea25 1342 1342/1342 1342 ± 0 5.78 5.46/6.368 5.9 ± 0.5975
ea26 1342 1342/1342 1342 ± 0 6.592 5.964/7.239 6.525 ± 0.7526
ea27 1342 1342/1342 1342 ± 0 5.636 5.512/6.52 5.905 ± 0.6308
ea28 1342 1342/1342 1342 ± 0 5.607 5.408/6.37 5.827 ± 0.6285
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 ± 0.00002358 5.575 5.398/5.69 5.507 ± 0.2952
4 1342 1342/1342 1342 ± 0.00002527 4.849 4.615/5.045 4.808 ± 0.2635
5 1342 1342/1342 1342 ± 0.00002358 5.579 5.353/5.745 5.54 ± 0.3643
6 1342 1342/1342 1342 ± 0.00002358 5.578 5.401/5.748 5.535 ± 0.3418
7 1342 1342/1342 1342 ± 0.00002358 5.565 5.416/5.686 5.525 ± 0.3095
8 1342 1342/1342 1342 ± 0.00002358 5.474 5.276/5.649 5.443 ± 0.3423
9 1342 1342/1342 1342 ± 0.00002358 5.734 5.481/6.058 5.722 ± 0.3807
10 1342 1342/1342 1342 ± 0.00002402 6.215 6.046/6.446 6.215 ± 0.3439
11 1342 1342/1342 1342 ± 0.00002402 6.498 6.289/6.625 6.434 ± 0.329
12 1342 1342/1342 1342 ± 0.00002402 6.635 6.422/6.738 6.598 ± 0.3587
13 1342 1342/1342 1342 ± 0.00002402 7.056 6.835/7.122 7.01 ± 0.3589
14 1342 1342/1342 1342 ± 0.00002402 7.203 6.962/7.43 7.191 ± 0.3949
15 1342 1342/1342 1342 ± 0.00002402 6.809 6.658/7.026 6.805 ± 0.3655
16 1342 1342/1342 1342 ± 0.0000245 6.148 5.933/6.338 6.16 ± 0.3741
17 1342 1342/1342 1342 ± 0.0000245 6.21 5.982/6.367 6.189 ± 0.3667
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
vis
VLASS2.1.sb38667356.eb38705720.59131.46099141204_split_split.ms
Start time
2025-01-24 20:44:38.841
End
2025-01-24 21:02:05.818
Duration
0:17:26.977
Note, WebLog generation is not included in the time.

CASA logs for stage 8