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 5.471 5.341/5.869 5.648 ± 0.4599
ea02 1342 1342/1342 1342 ± 0 5.799 5.453/6.322 5.955 ± 0.535
ea04 1342 1342/1342 1342 ± 0 5.587 5.243/6.156 5.726 ± 0.4993
ea05 1342 1342/1342 1342 ± 0 5.682 5.33/5.993 5.697 ± 0.4456
ea06 1342 1342/1342 1342 ± 0 2.923 2.877/3.15 3.015 ± 0.1879
ea07 1342 1342/1342 1342 ± 0 5.472 5.313/5.636 5.482 ± 0.2065
ea08 1342 1342/1342 1342 ± 0 5.741 5.38/6.254 5.849 ± 0.5157
ea09 1342 1342/1342 1342 ± 0 4.691 4.554/5.08 4.769 ± 0.2669
ea10 1342 1342/1342 1342 ± 0 5.422 5.223/6.157 5.633 ± 0.4822
ea11 1342 1342/1342 1342 ± 0 5.775 5.511/6.374 5.932 ± 0.5275
ea12 1342 1342/1342 1342 ± 0 5.539 5.188/5.784 5.556 ± 0.3598
ea13 1342 1342/1342 1342 ± 0 6.057 5.783/6.239 6.074 ± 0.4089
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 4.965 4.889/5.173 5.017 ± 0.2214
ea17 1342 1342/1342 1342 ± 0.000003443 6.02 5.7/6.407 6.104 ± 0.5126
ea18 1342 1342/1342 1342 ± 0 5.063 4.783/5.349 5.08 ± 0.3538
ea19 1342 1342/1342 1342 ± 0 6.014 5.731/6.254 6.019 ± 0.3026
ea21 1342 1342/1342 1342 ± 0 5.748 5.515/6.271 5.919 ± 0.4754
ea22 1342 1342/1342 1342 ± 0 5.258 5.092/5.783 5.415 ± 0.4324
ea23 1342 1342/1342 1342 ± 0 6.058 5.512/6.463 6.055 ± 0.6175
ea25 1342 1342/1342 1342 ± 0.000001722 5.42 5.343/5.514 5.413 ± 0.1613
ea26 1342 1342/1342 1342 ± 0 5.543 5.305/5.957 5.608 ± 0.3539
ea27 1342 1342/1342 1342 ± 0.000005959 5.312 5.092/5.922 5.49 ± 0.4456
ea28 1342 1342/1342 1342 ± 0 5.626 5.434/6.326 5.876 ± 0.5414
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 ± 0.00002601 5.521 5.373/5.667 5.472 ± 0.306
3 1342 1342/1342 1342 ± 0.00003167 5.252 5.011/5.477 5.295 ± 0.316
4 1342 1342/1342 1342 ± 0.00002662 5.281 5.141/5.517 5.302 ± 0.3438
5 1342 1342/1342 1342 ± 0.00002601 5.396 5.211/5.544 5.367 ± 0.3076
6 1342 1342/1342 1342 ± 0.00002601 5.301 5.17/5.383 5.268 ± 0.2708
7 1342 1342/1342 1342 ± 0.00002601 5.342 5.163/5.437 5.282 ± 0.2642
8 1342 1342/1342 1342 ± 0.00002601 5.291 5.015/5.431 5.225 ± 0.3103
9 1342 1342/1342 1342 ± 0.00002601 5.631 5.232/5.707 5.448 ± 0.3854
10 1342 1342/1342 1342 ± 0.00002601 5.756 5.55/6.061 5.632 ± 0.6469
11 1342 1342/1342 1342 ± 0.00002601 5.954 5.736/6.255 5.765 ± 0.7617
12 1342 1342/1342 1342 ± 0.00002601 6.074 5.842/6.304 5.873 ± 0.7836
13 1342 1342/1342 1342 ± 0.00002601 6.438 6.147/6.746 6.211 ± 0.8586
14 1342 1342/1342 1342 ± 0.00002601 6.5 6.296/6.939 6.356 ± 0.8727
15 1342 1342/1342 1342 ± 0.00002601 6.173 5.938/6.549 5.998 ± 0.8654
16 1342 1342/1342 1342 ± 0.00002648 5.566 5.202/5.765 5.395 ± 0.7084
17 1342 1342/1342 1342 ± 0.00002601 5.561 5.24/5.758 5.417 ± 0.712
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
vis
VLASS2.1.sb38520431.eb38554942.59063.924480127316_split_split.ms
Start time
2024-03-29 08:39:36.860
End
2024-03-29 09:27:51.165
Duration
0:48:14.306
Note, WebLog generation is not included in the time.

CASA logs for stage 7