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

Statwt Summary Plot

VLASS2.1.sb38469526.eb38577573.59079.23044392361_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 5.486 5.352/6.301 5.691 ± 0.7309
ea02 1342 1342/1342 1342 ± 0.00004407 5.982 5.507/6.766 5.986 ± 0.9177
ea04 1342 1342/1342 1342 ± 0 5.332 4.971/5.78 5.34 ± 0.6364
ea05 1342 1342/1342 1342 ± 0 5.52 5.08/6.406 5.715 ± 0.7407
ea06 1342 1342/1342 1342 ± 0.000003494 4.817 4.557/5.173 4.815 ± 0.4637
ea07 1342 1342/1342 1342 ± 0.00003812 5.963 5.598/6.418 5.949 ± 0.8164
ea08 1342 1342/1342 1342 ± 0.0000443 6.07 5.662/6.955 6.152 ± 1.007
ea09 1342 1342/1342 1342 ± 0.0000179 5.74 5.331/6.46 5.782 ± 0.7489
ea10 1342 1342/1342 1342 ± 0.00003973 6.14 5.278/6.456 5.743 ± 0.7721
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.000004233 5.585 5.207/6.333 5.645 ± 0.8529
ea13 1342 1342/1342 1342 ± 0.00001589 5.934 5.659/6.373 5.957 ± 0.7782
ea14 1342 1342/1342 1342 ± 0.00001979 5.839 5.539/6.645 6.002 ± 0.81
ea15 1342 1342/1342 1342 ± 0 5.163 4.93/5.951 5.366 ± 0.7283
ea16 1342 1342/1342 1342 ± 0.00001401 5.829 5.48/6.712 6.017 ± 0.8749
ea17 1342 1342/1342 1342 ± 0.00003812 6.035 5.554/7.033 6.072 ± 0.8937
ea18 1342 1342/1342 1342 ± 0.0000335 5.001 4.877/5.813 5.147 ± 0.7119
ea19 1342 1342/1342 1342 ± 0 5.799 5.587/6.677 6.038 ± 0.7983
ea20 1342 1342/1342 1342 ± 0.00001084 5.798 5.609/6.828 5.999 ± 0.9842
ea21 1342 1342/1342 1342 ± 0.000009465 5.613 5.431/6.33 5.761 ± 0.736
ea22 1342 1342/1342 1342 ± 0.00003069 5.574 5.183/6.494 5.748 ± 0.7739
ea23 1342 1342/1342 1342 ± 0.00003726 5.995 5.607/6.745 6.035 ± 0.9151
ea25 1342 1342/1342 1342 ± 0.0000381 5.644 5.372/6.439 5.766 ± 0.7938
ea26 1342 1342/1342 1342 ± 0.00002362 5.772 5.662/6.608 5.929 ± 0.7952
ea27 1342 1342/1342 1342 ± 0.00004028 5.702 5.437/6.586 5.858 ± 0.7971
ea28 1342 1342/1342 1342 ± 0.00004035 5.813 5.61/6.702 6.021 ± 0.8774
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 ± 0.00002459 5.488 5.33/5.764 5.46 ± 0.2966
5 1342 1342/1342 1342 ± 0.00003045 5.187 5.038/5.449 5.212 ± 0.2512
6 1342 1342/1342 1342 ± 0.00002392 5.485 5.353/5.618 5.455 ± 0.3191
7 1342 1342/1342 1342 ± 0.00002392 5.485 5.279/5.633 5.414 ± 0.3044
8 1342 1342/1342 1342 ± 0.00002392 5.432 5.181/5.627 5.352 ± 0.3354
9 1342 1342/1342 1342 ± 0.0000242 5.669 5.357/5.831 5.6 ± 0.3358
10 1342 1342/1342 1342 ± 0.00002392 6.123 5.889/6.238 6.033 ± 0.3673
11 1342 1342/1342 1342 ± 0.00002392 6.308 6.128/6.505 6.273 ± 0.368
12 1342 1342/1342 1342 ± 0.00002392 6.471 6.338/6.7 6.444 ± 0.3947
13 1342 1342/1342 1342 ± 0.00002392 6.864 6.61/7.027 6.798 ± 0.4001
14 1342 1342/1342 1342 ± 0.00002392 6.998 6.742/7.254 6.913 ± 0.4855
15 1342 1342/1342 1342 ± 0.00002806 6.499 6.268/6.79 6.437 ± 0.5247
16 1342 1342/1342 1342 ± 0.00006053 4.161 4.041/4.315 4.176 ± 0.2228
17 1342 1342/1342 1342 ± 0.00006102 4.296 4.2/4.419 4.302 ± 0.1775
output_dir
 
vis
VLASS2.1.sb38469526.eb38577573.59079.23044392361_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2024-12-12 11:11:39.350
End
2024-12-12 12:00:04.050
Duration
0:48:24.700
Note, WebLog generation is not included in the time.

CASA logs for stage 8