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 5.465 5.436/5.915 5.674 ± 0.4365
ea02 1342 1342/1342 1342 ± 0 5.901 5.445/6.317 5.924 ± 0.5249
ea04 1342 1342/1342 1342 ± 0 5.611 5.329/6.193 5.762 ± 0.4825
ea05 1342 1342/1342 1342 ± 0 5.84 5.436/6.181 5.846 ± 0.4943
ea06 1342 1342/1342 1342 ± 0 2.994 2.909/3.231 3.065 ± 0.1895
ea07 1342 1342/1342 1342 ± 0 5.649 5.498/5.81 5.663 ± 0.2051
ea08 1342 1342/1342 1342 ± 0 5.941 5.592/6.539 6.071 ± 0.5833
ea09 1342 1342/1342 1342 ± 0 5.006 4.89/5.473 5.178 ± 0.3506
ea10 1342 1342/1342 1342 ± 0 5.641 5.41/6.388 5.838 ± 0.5191
ea11 1342 1342/1342 1342 ± 0.000001068 5.848 5.645/6.408 6.028 ± 0.5021
ea12 1342 1342/1342 1342 ± 0 5.996 5.503/6.387 6.048 ± 0.5117
ea13 1342 1342/1342 1342 ± 0 6.007 5.688/6.148 6.016 ± 0.4028
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 5.081 4.913/5.202 5.087 ± 0.3035
ea17 1342 1342/1342 1342 ± 0.0000115 6.151 5.843/6.552 6.279 ± 0.527
ea18 1342 1342/1342 1342 ± 0 5.229 4.986/5.684 5.334 ± 0.4093
ea19 1342 1342/1342 1342 ± 0 6.531 6.264/6.79 6.592 ± 0.3451
ea21 1342 1342/1342 1342 ± 0 5.733 5.459/6.298 5.894 ± 0.5071
ea22 1342 1342/1342 1342 ± 0 5.342 5.14/6.008 5.569 ± 0.5118
ea23 1342 1342/1342 1342 ± 0 6.074 5.573/6.435 6.07 ± 0.5575
ea25 1342 1342/1342 1342 ± 0.000004271 5.503 5.423/5.599 5.487 ± 0.1777
ea26 1342 1342/1342 1342 ± 0 6.001 5.627/6.588 6.068 ± 0.5244
ea27 1342 1342/1342 1342 ± 0.000005442 5.62 5.368/6.274 5.796 ± 0.507
ea28 1342 1342/1342 1342 ± 0.000003021 5.688 5.491/6.376 5.899 ± 0.5567
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 ± 0.000026 5.587 5.429/5.768 5.534 ± 0.3359
3 1342 1342/1342 1342 ± 0.00003337 5.285 5.078/5.566 5.335 ± 0.3081
4 1342 1342/1342 1342 ± 0.000026 5.454 5.332/5.634 5.434 ± 0.3151
5 1342 1342/1342 1342 ± 0.000026 5.489 5.34/5.656 5.5 ± 0.2801
6 1342 1342/1342 1342 ± 0.000026 5.451 5.18/5.523 5.381 ± 0.2572
7 1342 1342/1342 1342 ± 0.000026 5.444 5.344/5.553 5.407 ± 0.2298
8 1342 1342/1342 1342 ± 0.000026 5.426 5.169/5.505 5.358 ± 0.2896
9 1342 1342/1342 1342 ± 0.000026 5.683 5.347/5.883 5.602 ± 0.3585
10 1342 1342/1342 1342 ± 0.000026 6.029 5.818/6.152 5.814 ± 0.6519
11 1342 1342/1342 1342 ± 0.000026 6.253 5.959/6.397 5.99 ± 0.7681
12 1342 1342/1342 1342 ± 0.000026 6.415 6.046/6.467 6.127 ± 0.7914
13 1342 1342/1342 1342 ± 0.000026 6.748 6.414/6.923 6.478 ± 0.8376
14 1342 1342/1342 1342 ± 0.000026 6.846 6.574/7.045 6.606 ± 0.8659
15 1342 1342/1342 1342 ± 0.000026 6.323 6.155/6.609 6.119 ± 0.827
16 1342 1342/1342 1342 ± 0.00002667 5.575 5.364/6.058 5.574 ± 0.7399
17 1342 1342/1342 1342 ± 0.00002603 5.663 5.488/6.11 5.621 ± 0.7219
vis
VLASS2.1.sb38520431.eb38554942.59063.924480127316_split_split.ms
output_dir
 
overwrite_modelcol
False
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2024-03-29 06:59:26.916
End
2024-03-29 08:06:02.984
Duration
1:06:36.068
Note, WebLog generation is not included in the time.

CASA logs for stage 7