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

Statwt Summary Plot

VLASS2.1.sb38520431.eb38554942.59063.924480127316_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 5.427 5.302/5.891 5.634 ± 0.4685
ea02 1342 1342/1342 1342 ± 0.0000063 5.757 5.337/6.361 5.823 ± 0.5831
ea04 1342 1342/1342 1342 ± 0 5.56 5.239/6.066 5.675 ± 0.4968
ea05 1342 1342/1342 1342 ± 0 5.877 5.4/6.237 5.846 ± 0.529
ea06 1342 1342/1342 1342 ± 0 3.281 3.152/3.558 3.337 ± 0.1919
ea07 1342 1342/1342 1342 ± 0 5.484 5.376/5.685 5.518 ± 0.1885
ea08 1342 1342/1342 1342 ± 0.000015 5.801 5.53/6.578 6.025 ± 0.639
ea09 1342 1342/1342 1342 ± 0 5.001 4.754/5.529 5.152 ± 0.4308
ea10 1342 1342/1342 1342 ± 0 5.516 5.223/6.332 5.727 ± 0.573
ea11 1342 1342/1342 1342 ± 0 5.74 5.52/6.35 5.942 ± 0.5218
ea12 1342 1342/1342 1342 ± 0 5.963 5.537/6.369 5.999 ± 0.5184
ea13 1342 1342/1342 1342 ± 0 5.778 5.663/6.191 5.963 ± 0.4215
ea14 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea15 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea16 1342 1342/1342 1342 ± 0 5.147 5.004/5.312 5.181 ± 0.3205
ea17 1342 1342/1342 1342 ± 0.00001959 6.04 5.743/6.486 6.165 ± 0.5438
ea18 1342 1342/1342 1342 ± 0 5.211 4.894/5.658 5.274 ± 0.4378
ea19 1342 1342/1342 1342 ± 0 6.591 6.222/6.851 6.591 ± 0.3536
ea21 1342 1342/1342 1342 ± 0 5.756 5.477/6.335 5.914 ± 0.5303
ea22 1342 1342/1342 1342 ± 0 5.237 5.052/6.062 5.516 ± 0.5787
ea23 1342 1342/1342 1342 ± 0 6.048 5.496/6.508 6.045 ± 0.6094
ea25 1342 1342/1342 1342 ± 0 5.407 5.329/5.479 5.394 ± 0.1733
ea26 1342 1342/1342 1342 ± 0 5.708 5.586/6.63 6.014 ± 0.5607
ea27 1342 1342/1342 1342 ± 0.00001715 5.529 5.324/6.239 5.716 ± 0.5046
ea28 1342 1342/1342 1342 ± 0.00002776 5.629 5.421/6.403 5.858 ± 0.6062
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 ± 0.00002603 5.476 5.288/5.684 5.42 ± 0.2958
3 1342 1342/1342 1342 ± 0.00003219 5.259 5.057/5.609 5.339 ± 0.3052
4 1342 1342/1342 1342 ± 0.00002603 5.315 5.106/5.476 5.273 ± 0.2995
5 1342 1342/1342 1342 ± 0.00002603 5.455 5.263/5.559 5.426 ± 0.2624
6 1342 1342/1342 1342 ± 0.00002603 5.34 5.169/5.442 5.302 ± 0.2375
7 1342 1342/1342 1342 ± 0.00002603 5.386 5.218/5.511 5.359 ± 0.222
8 1342 1342/1342 1342 ± 0.00002603 5.385 5.154/5.464 5.324 ± 0.2824
9 1342 1342/1342 1342 ± 0.00002603 5.649 5.304/5.806 5.574 ± 0.3255
10 1342 1342/1342 1342 ± 0.00002603 5.987 5.778/6.156 5.818 ± 0.6092
11 1342 1342/1342 1342 ± 0.00002603 6.229 5.91/6.353 5.984 ± 0.7192
12 1342 1342/1342 1342 ± 0.00002603 6.369 6.015/6.495 6.145 ± 0.7277
13 1342 1342/1342 1342 ± 0.00002603 6.696 6.413/6.927 6.489 ± 0.7708
14 1342 1342/1342 1342 ± 0.00002603 6.909 6.57/7.047 6.615 ± 0.7951
15 1342 1342/1342 1342 ± 0.00002603 6.469 6.21/6.578 6.204 ± 0.7738
16 1342 1342/1342 1342 ± 0.00003755 5.55 5.242/5.93 5.475 ± 0.6887
17 1342 1342/1342 1342 ± 0.00003376 5.601 5.313/6.032 5.566 ± 0.5224
datacolumn
residual_data
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38520431.eb38554942.59063.924480127316_split_split.ms
statwtmode
VLASS-SE
Start time
2024-03-29 06:58:51.514
End
2024-03-29 07:47:04.998
Duration
0:48:13.484
Note, WebLog generation is not included in the time.

CASA logs for stage 7