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

Statwt Summary Plot

VLASS2.1.sb38464181.eb38625161.59091.97021673611_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 5.26 5.068/6.076 5.609 ± 0.6136
ea02 1342 1342/1342 1342 ± 0.00002804 6.199 5.327/6.732 6.027 ± 0.7723
ea04 1342 1342/1342 1342 ± 0.000003888 5.119 4.966/5.893 5.438 ± 0.5822
ea05 1342 1342/1342 1342 ± 0 5.36 5.242/6.434 5.754 ± 0.6781
ea06 1342 1342/1342 1342 ± 0.000006805 4.623 4.511/5.352 4.947 ± 0.5066
ea07 1342 1342/1342 1342 ± 0.00004363 5.743 5.314/6.269 5.838 ± 0.7884
ea08 1342 1342/1342 1342 ± 0.0000291 5.632 5.255/6.743 6.09 ± 0.852
ea10 1342 1342/1342 1342 ± 0.00004366 5.396 5.042/6.657 5.792 ± 0.8418
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00000992 5.312 5.122/6.414 5.764 ± 0.7882
ea13 1342 1342/1342 1342 ± 0 6.039 5.484/6.301 6.035 ± 0.6356
ea14 1342 1342/1342 1342 ± 0.0000207 5.283 5.054/6.354 5.68 ± 0.7581
ea15 1342 1342/1342 1342 ± 0.000001659 5.192 4.93/6.056 5.551 ± 0.7211
ea16 1342 1342/1342 1342 ± 0 5.801 5.347/6.812 6.062 ± 0.9045
ea17 1342 1342/1342 1342 ± 0.00004363 5.631 5.239/6.738 5.97 ± 0.7824
ea18 1342 1342/1342 1342 ± 0.00002975 4.765 4.681/5.599 5.068 ± 0.571
ea19 1342 1342/1342 1342 ± 0.00001202 5.601 5.444/6.664 6.025 ± 0.7162
ea20 1342 1342/1342 1342 ± 0.00001561 5.666 5.437/6.775 6.048 ± 0.839
ea21 1342 1342/1342 1342 ± 0.00001477 5.514 5.193/6.282 5.737 ± 0.6799
ea22 1342 1342/1342 1342 ± 0.000001659 5.678 5.136/6.453 5.768 ± 0.7136
ea23 1342 1342/1342 1342 ± 0.00004179 5.495 5.235/6.564 5.907 ± 0.838
ea25 1342 1342/1342 1342 ± 0.00004267 5.177 4.837/6.151 5.542 ± 0.7441
ea26 1342 1342/1342 1342 ± 0 6.071 5.522/6.837 6.226 ± 0.7381
ea27 1342 1342/1342 1342 ± 0.00004385 5.364 5.028/6.371 5.696 ± 0.7009
ea28 1342 1342/1342 1342 ± 0.00004167 5.371 5.222/6.509 5.816 ± 0.8111
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 ± 0.00002474 5.192 4.88/5.32 5.112 ± 0.2701
3 1342 1342/1342 1342 ± 0.00002545 4.842 4.685/4.955 4.849 ± 0.3307
6 1342 1342/1342 1342 ± 0.00002439 5.27 5.052/5.444 5.219 ± 0.283
7 1342 1342/1342 1342 ± 0.00002439 5.249 5.089/5.449 5.242 ± 0.2602
8 1342 1342/1342 1342 ± 0.00002439 5.169 5.004/5.345 5.143 ± 0.2805
9 1342 1342/1342 1342 ± 0.00002637 5.29 5.127/5.534 5.302 ± 0.2952
10 1342 1342/1342 1342 ± 0.00002439 6.024 5.877/6.179 5.971 ± 0.3298
11 1342 1342/1342 1342 ± 0.00002439 6.283 6.092/6.402 6.21 ± 0.3452
12 1342 1342/1342 1342 ± 0.00002439 6.437 6.234/6.604 6.38 ± 0.3794
13 1342 1342/1342 1342 ± 0.00002439 6.85 6.708/7.095 6.82 ± 0.3902
14 1342 1342/1342 1342 ± 0.00002439 7.141 6.862/7.308 7.045 ± 0.437
15 1342 1342/1342 1342 ± 0.00002439 6.657 6.319/6.814 6.526 ± 0.4578
16 1342 1342/1342 1342 ± 0.00006045 4.898 4.738/5.091 4.935 ± 0.3109
17 1342 1342/1342 1342 ± 0.00005852 5.158 4.987/5.409 5.216 ± 0.3923
output_dir
 
vis
VLASS2.1.sb38464181.eb38625161.59091.97021673611_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
Start time
2024-12-21 14:13:03.967
End
2024-12-21 15:13:22.372
Duration
1:00:18.405
Note, WebLog generation is not included in the time.

CASA logs for stage 8