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

Statwt Summary Plot

VLASS2.1.sb38447583.eb38589602.59083.73025677083_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 5.361 5.194/5.91 5.593 ± 0.5309
ea02 1342 1342/1342 1342 ± 0.00005085 5.044 4.733/5.44 5.062 ± 0.4191
ea04 1342 1342/1342 1342 ± 0 5.163 4.897/5.989 5.381 ± 0.6383
ea05 1342 1342/1342 1342 ± 0 5.179 4.89/6.146 5.451 ± 0.6497
ea06 1342 1342/1342 1342 ± 0.000001133 4.63 4.466/5.32 4.824 ± 0.5535
ea07 1342 1342/1342 1342 ± 0.0000228 5.182 4.82/5.418 5.154 ± 0.563
ea08 1342 1342/1342 1342 ± 0.00004037 5.486 5.299/6.367 5.813 ± 0.6563
ea09 1342 1342/1342 1342 ± 0.00003707 5.097 4.816/5.734 5.227 ± 0.5703
ea10 1342 1342/1342 1342 ± 0.00003854 4.894 4.595/5.699 5.102 ± 0.5506
ea11 1342 1342/1342 1342 ± 0.00003313 4.91 4.677/5.479 5.063 ± 0.4528
ea12 1342 1342/1342 1342 ± 0.00002184 5.332 5.126/6.214 5.511 ± 0.7106
ea13 1342 1342/1342 1342 ± 0.00001677 5.454 5.25/5.76 5.53 ± 0.3834
ea14 1342 1342/1342 1342 ± 0.0000095 5.277 5.007/6.296 5.629 ± 0.6811
ea15 1342 1342/1342 1342 ± 0 4.957 4.864/5.994 5.399 ± 0.7162
ea16 1342 1342/1342 1342 ± 0.00000452 5.462 5.178/6.416 5.734 ± 0.7385
ea17 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea18 1342 1342/1342 1342 ± 0.00003581 4.719 4.48/5.3 4.795 ± 0.4858
ea19 1342 1342/1342 1342 ± 0 5.36 5.15/6.339 5.648 ± 0.667
ea20 1342 1342/1342 1342 ± 0.00001942 5.637 5.266/6.524 5.801 ± 0.7617
ea21 1342 1342/1342 1342 ± 0 5.131 4.941/5.987 5.417 ± 0.6236
ea22 1342 1342/1342 1342 ± 0.00003847 5.058 4.732/5.865 5.263 ± 0.5711
ea23 1342 1342/1342 1342 ± 0.000001131 5.222 4.989/6.181 5.567 ± 0.6912
ea25 1342 1342/1342 1342 ± 0.0000351 4.924 4.751/5.319 5.036 ± 0.4291
ea26 1342 1342/1342 1342 ± 0.00003652 5.415 5.148/6.271 5.623 ± 0.6391
ea27 1342 1342/1342 1342 ± 0.0000415 4.819 4.559/5.472 4.893 ± 0.5483
ea28 1342 1342/1342 1342 ± 0.00003874 4.953 4.644/5.18 4.935 ± 0.3241
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 ± 0.00002505 5.155 4.896/5.318 5.099 ± 0.2693
3 1342 1342/1342 1342 ± 0.00002505 4.922 4.643/5.14 4.897 ± 0.2837
4 1342 1342/1342 1342 ± 0.00003417 4.839 4.714/4.955 4.766 ± 0.3329
5 1342 1342/1342 1342 ± 0.00002505 4.982 4.698/5.114 4.961 ± 0.2673
6 1342 1342/1342 1342 ± 0.00002505 4.914 4.766/5.14 4.924 ± 0.2529
7 1342 1342/1342 1342 ± 0.00002505 4.959 4.731/5.196 4.985 ± 0.2758
8 1342 1342/1342 1342 ± 0.00002505 4.886 4.698/5.193 4.937 ± 0.2847
9 1342 1342/1342 1342 ± 0.00002505 5.194 5.018/5.396 5.179 ± 0.3058
10 1342 1342/1342 1342 ± 0.00002505 5.547 5.307/5.805 5.545 ± 0.307
11 1342 1342/1342 1342 ± 0.00002505 5.834 5.472/6.015 5.774 ± 0.3609
12 1342 1342/1342 1342 ± 0.00002505 5.972 5.475/6.241 5.896 ± 0.4136
13 1342 1342/1342 1342 ± 0.00002505 6.355 5.81/6.705 6.248 ± 0.4832
14 1342 1342/1342 1342 ± 0.00002505 6.497 5.778/6.746 6.331 ± 0.5182
15 1342 1342/1342 1342 ± 0.00002505 6.043 5.531/6.422 5.979 ± 0.4901
16 1342 1342/1342 1342 ± 0.00006083 4.537 4.328/4.777 4.547 ± 0.3588
17 1342 1342/1342 1342 ± 0.00005961 4.607 4.38/4.852 4.599 ± 0.3699
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS2.1.sb38447583.eb38589602.59083.73025677083_split_split.ms
Start time
2025-01-15 00:13:30.390
End
2025-01-15 01:10:49.822
Duration
0:57:19.432
Note, WebLog generation is not included in the time.

CASA logs for stage 8