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

Statwt Summary Plot

VLASS2.1.sb38613707.eb38659860.59113.15663519676_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 5.58 5.053/5.854 5.57 ± 0.5554
ea02 1342 1342/1342 1342 ± 0 5.832 5.46/6.489 6.009 ± 0.6225
ea04 1342 1342/1342 1342 ± 0 5.508 5.164/6.113 5.651 ± 0.5089
ea05 1342 1342/1342 1342 ± 0 5.892 5.269/6.4 5.854 ± 0.6044
ea06 1342 1342/1342 1342 ± 0 4.82 4.706/5.182 4.938 ± 0.3148
ea07 1342 1342/1342 1342 ± 0.000002682 5.922 5.211/6.069 5.81 ± 0.5873
ea08 1342 1342/1342 1342 ± 0.00001091 5.773 5.512/6.537 6.057 ± 0.6581
ea09 1342 1342/1342 1342 ± 0 5.914 5.321/6.395 5.892 ± 0.588
ea10 1342 1342/1342 1342 ± 0.00001529 5.812 5.143/6.342 5.75 ± 0.6848
ea11 1342 1342/1342 1342 ± 0.000001549 5.972 5.017/6.265 5.761 ± 0.708
ea12 1342 1342/1342 1342 ± 0 5.577 5.381/6.116 5.792 ± 0.5612
ea13 1342 1342/1342 1342 ± 0 6.439 6.076/6.635 6.444 ± 0.4443
ea14 1342 1342/1342 1342 ± 0 5.779 5.029/6.4 5.782 ± 0.7176
ea15 1342 1342/1342 1342 ± 0 5.953 5.548/6.43 6.1 ± 0.6058
ea16 1342 1342/1342 1342 ± 0 6.065 5.501/6.714 6.184 ± 0.7331
ea17 1342 1342/1342 1342 ± 0.00003691 5.707 5.319/6.544 5.892 ± 0.6429
ea18 1342 1342/1342 1342 ± 0 5.022 4.591/5.477 5.052 ± 0.5621
ea19 1342 1342/1342 1342 ± 0 6.151 5.547/6.755 6.232 ± 0.6956
ea20 1342 1342/1342 1342 ± 0 6.122 5.584/6.646 6.179 ± 0.6232
ea21 1342 1342/1342 1342 ± 0 5.875 5.307/6.208 5.841 ± 0.5621
ea22 1342 1342/1342 1342 ± 0 5.651 5.389/6.17 5.838 ± 0.5997
ea23 1342 1342/1342 1342 ± 0 5.968 5.305/6.391 5.942 ± 0.6968
ea25 1342 1342/1342 1342 ± 0.00002037 5.59 5.064/5.986 5.587 ± 0.5918
ea26 1342 1342/1342 1342 ± 0 6.313 5.888/6.944 6.367 ± 0.5838
ea27 1342 1342/1342 1342 ± 0.00002972 5.516 4.997/5.949 5.528 ± 0.5739
ea28 1342 1342/1342 1342 ± 0.00002481 5.68 5.199/6.204 5.774 ± 0.6289
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 ± 0.00003022 5.26 5.053/5.603 5.314 ± 0.3766
4 1342 1342/1342 1342 ± 0.00002863 5.336 5.101/5.6 5.312 ± 0.421
5 1342 1342/1342 1342 ± 0.00002679 5.313 5.146/5.556 5.315 ± 0.3476
6 1342 1342/1342 1342 ± 0.00002669 5.158 5.015/5.492 5.218 ± 0.3696
7 1342 1342/1342 1342 ± 0.00002646 5.248 5.041/5.44 5.24 ± 0.3123
8 1342 1342/1342 1342 ± 0.00002613 5.241 5.044/5.406 5.212 ± 0.3036
9 1342 1342/1342 1342 ± 0.00002617 5.477 5.265/5.693 5.459 ± 0.3166
10 1342 1342/1342 1342 ± 0.00002636 5.941 5.726/6.065 5.889 ± 0.318
11 1342 1342/1342 1342 ± 0.00002527 6.145 5.924/6.321 6.091 ± 0.3426
12 1342 1342/1342 1342 ± 0.00002552 6.346 6.006/6.453 6.248 ± 0.3761
13 1342 1342/1342 1342 ± 0.0000245 6.796 6.593/6.99 6.718 ± 0.4074
14 1342 1342/1342 1342 ± 0.00002405 6.999 6.894/7.28 6.976 ± 0.4461
15 1342 1342/1342 1342 ± 0.00002411 6.702 6.499/6.999 6.636 ± 0.4563
16 1342 1342/1342 1342 ± 0.00002649 5.976 5.769/6.356 6.004 ± 0.4253
17 1342 1342/1342 1342 ± 0.00002737 6.077 5.831/6.39 6.063 ± 0.4128
vis
VLASS2.1.sb38613707.eb38659860.59113.15663519676_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
Start time
2025-01-11 02:53:56.523
End
2025-01-11 03:23:08.530
Duration
0:29:12.008
Note, WebLog generation is not included in the time.

CASA logs for stage 8