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

Statwt Summary Plot

VLASS2.1.sb38490392.eb38577577.59079.6066271412_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 5.102 4.985/5.872 5.418 ± 0.5519
ea02 1342 1342/1342 1342 ± 0.00003524 5.501 5.027/6.362 5.72 ± 0.7195
ea04 1342 1342/1342 1342 ± 0 5.031 4.801/5.704 5.276 ± 0.5175
ea05 1342 1342/1342 1342 ± 0 5.466 5.12/6.156 5.641 ± 0.5673
ea06 1342 1342/1342 1342 ± 0 4.814 4.69/5.394 5.032 ± 0.4563
ea07 1342 1342/1342 1342 ± 0.0000298 5.304 5.072/5.917 5.592 ± 0.5923
ea08 1342 1342/1342 1342 ± 0.0000415 5.431 5.265/6.501 5.826 ± 0.7212
ea09 1342 1342/1342 1342 ± 0.000009138 5.175 4.949/6.186 5.493 ± 0.6293
ea10 1342 1342/1342 1342 ± 0.00004245 5.402 4.985/6.283 5.616 ± 0.6771
ea11 1342 1342/1342 1342 ± 0.0000054 5.318 4.906/6.1 5.521 ± 0.6623
ea12 1342 1342/1342 1342 ± 0 5.32 5.085/6.155 5.604 ± 0.6139
ea13 1342 1342/1342 1342 ± 0 5.663 5.49/6.196 5.911 ± 0.516
ea14 1342 1342/1342 1342 ± 0 5.639 5.117/6.303 5.736 ± 0.66
ea15 1342 1342/1342 1342 ± 0 5.382 4.971/5.982 5.562 ± 0.6188
ea16 1342 1342/1342 1342 ± 0 5.728 5.406/6.446 5.9 ± 0.6678
ea17 1342 1342/1342 1342 ± 0 5.532 5.154/6.665 5.788 ± 0.686
ea18 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea19 1342 1342/1342 1342 ± 0 5.847 5.315/6.49 5.927 ± 0.5995
ea20 1342 1342/1342 1342 ± 0 5.563 5.296/6.574 5.887 ± 0.6895
ea21 1342 1342/1342 1342 ± 0 5.362 5.148/6.041 5.581 ± 0.5528
ea22 1342 1342/1342 1342 ± 0.00001909 5.268 4.943/6.32 5.585 ± 0.73
ea23 1342 1342/1342 1342 ± 0.000007871 5.648 5.252/6.273 5.808 ± 0.6733
ea25 1342 1342/1342 1342 ± 0.000002788 5.197 4.916/5.998 5.447 ± 0.6183
ea26 1342 1342/1342 1342 ± 0 5.377 5.254/6.322 5.7 ± 0.5796
ea27 1342 1342/1342 1342 ± 0.0000415 5.155 4.976/6.242 5.522 ± 0.6244
ea28 1342 1342/1342 1342 ± 0.0000415 5.225 5.135/6.237 5.598 ± 0.6838
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 ± 0.00003346 5.121 4.955/5.235 5.108 ± 0.1855
4 1342 1342/1342 1342 ± 0.00003814 4.914 4.708/5.037 4.907 ± 0.2494
5 1342 1342/1342 1342 ± 0.0000341 5.066 4.864/5.27 5.075 ± 0.2407
6 1342 1342/1342 1342 ± 0.00003346 5.052 4.952/5.274 5.091 ± 0.2153
7 1342 1342/1342 1342 ± 0.00003346 5.148 5.044/5.274 5.161 ± 0.1931
8 1342 1342/1342 1342 ± 0.00003346 5.167 4.982/5.298 5.15 ± 0.221
9 1342 1342/1342 1342 ± 0.00003346 5.477 5.34/5.67 5.442 ± 0.2612
10 1342 1342/1342 1342 ± 0.00003346 5.853 5.753/5.966 5.837 ± 0.2266
11 1342 1342/1342 1342 ± 0.00003346 6.14 5.962/6.206 6.06 ± 0.2492
12 1342 1342/1342 1342 ± 0.00003346 6.245 6.036/6.326 6.193 ± 0.2738
13 1342 1342/1342 1342 ± 0.00003346 6.559 6.449/6.707 6.575 ± 0.2635
14 1342 1342/1342 1342 ± 0.00003346 6.787 6.563/6.949 6.746 ± 0.2873
15 1342 1342/1342 1342 ± 0.00003346 6.503 6.239/6.642 6.427 ± 0.3499
16 1342 1342/1342 1342 ± 0.00005485 5.157 4.905/5.376 5.161 ± 0.3349
17 1342 1342/1342 1342 ± 0.00005541 5.247 5/5.449 5.255 ± 0.3213
statwtmode
VLASS-SE
datacolumn
residual_data
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38490392.eb38577577.59079.6066271412_split_split.ms
Start time
2025-02-19 13:14:45.544
End
2025-02-19 14:09:38.733
Duration
0:54:53.190
Note, WebLog generation is not included in the time.

CASA logs for stage 8