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

Statwt Summary Plot

VLASS2.1.sb38501480.eb38632936.59097.386918425924_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 5.225 5.081/6.088 5.507 ± 0.7433
ea02 1342 1342/1342 1342 ± 0.00004092 5.727 5.077/6.626 5.845 ± 0.9399
ea04 1342 1342/1342 1342 ± 0.00001435 5.2 4.971/5.93 5.369 ± 0.7136
ea05 1342 1342/1342 1342 ± 0.00002571 5.476 4.923/6.344 5.61 ± 0.8353
ea06 1342 1342/1342 1342 ± 0.0000196 4.85 4.591/5.382 4.945 ± 0.5491
ea07 1342 1342/1342 1342 ± 0.000002955 6.186 5.651/6.826 6.186 ± 0.6785
ea08 1342 1342/1342 1342 ± 0.00003993 5.736 5.336/6.812 6.031 ± 1.028
ea09 1342 1342/1342 1342 ± 0.00002653 5.52 5.132/6.471 5.673 ± 0.784
ea10 1342 1342/1342 1342 ± 0.00002978 5.7 5.227/6.702 5.916 ± 0.8303
ea11 1342 1342/1342 1342 ± 0.00003526 5.416 5.041/6.448 5.756 ± 0.9202
ea12 1342 1342/1342 1342 ± 0.00002839 5.811 5.271/6.408 5.802 ± 0.8865
ea13 1342 1342/1342 1342 ± 0.00001761 6.229 5.365/6.362 5.924 ± 0.7805
ea14 1342 1342/1342 1342 ± 0.00003461 5.519 5.196/6.384 5.757 ± 0.8322
ea15 1342 1342/1342 1342 ± 0.000009653 5.186 4.937/6.196 5.504 ± 0.8891
ea16 1342 1342/1342 1342 ± 0.00003383 5.606 5.302/6.756 5.973 ± 1.024
ea17 1342 1342/1342 1342 ± 0.0000376 5.698 5.323/6.977 5.947 ± 0.9424
ea18 1342 1342/1342 1342 ± 0.00003625 5.092 4.529/5.781 5.074 ± 0.6957
ea19 1342 1342/1342 1342 ± 0.00002136 5.816 5.478/7.034 6.157 ± 1.021
ea20 1342 1342/1342 1342 ± 0.00003316 5.672 5.364/6.955 6.026 ± 0.974
ea21 1342 1342/1342 1342 ± 0.00003739 5.986 5.238/6.475 5.718 ± 0.8789
ea22 1342 1342/1342 1342 ± 0.00003727 5.966 5.019/6.549 5.644 ± 0.9009
ea23 1342 1342/1342 1342 ± 0 6.172 5.266/6.985 6.108 ± 0.8231
ea25 1342 1342/1342 1342 ± 0.0000306 5.979 5.038/6.458 5.661 ± 0.8243
ea26 1342 1342/1342 1342 ± 0.00002755 5.77 5.65/6.987 6.1 ± 0.9479
ea27 1342 1342/1342 1342 ± 0.00002944 5.378 5.069/6.501 5.682 ± 0.8145
ea28 1342 1342/1342 1342 ± 0.00003823 5.451 5.207/6.539 5.756 ± 0.9094
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 ± 0.0000262 5.242 5.015/5.37 5.248 ± 0.276
5 1342 1342/1342 1342 ± 0.00003196 5.283 5.123/5.531 5.296 ± 0.306
6 1342 1342/1342 1342 ± 0.00002366 5.247 5.048/5.431 5.227 ± 0.2951
7 1342 1342/1342 1342 ± 0.0000251 5.199 5.047/5.428 5.175 ± 0.2776
8 1342 1342/1342 1342 ± 0.00002411 5.163 4.962/5.305 5.149 ± 0.289
9 1342 1342/1342 1342 ± 0.00002395 5.396 5.185/5.6 5.359 ± 0.3131
10 1342 1342/1342 1342 ± 0.00002366 6.01 5.893/6.191 6.011 ± 0.3393
11 1342 1342/1342 1342 ± 0.00002366 6.348 6.162/6.424 6.261 ± 0.3463
12 1342 1342/1342 1342 ± 0.00002366 6.461 6.3/6.673 6.46 ± 0.4168
13 1342 1342/1342 1342 ± 0.00002366 6.837 6.723/6.959 6.803 ± 0.3909
14 1342 1342/1342 1342 ± 0.00002366 7.004 6.854/7.248 6.988 ± 0.4307
15 1342 1342/1342 1342 ± 0.00002473 6.76 6.495/6.941 6.65 ± 0.4479
16 1342 1342/1342 1342 ± 0.00005877 4.145 4.005/4.282 4.136 ± 0.2079
17 1342 1342/1342 1342 ± 0.00005814 4.208 4.042/4.337 4.198 ± 0.2253
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38501480.eb38632936.59097.386918425924_split_split.ms
Start time
2025-01-24 06:28:54.037
End
2025-01-24 06:55:08.206
Duration
0:26:14.169
Note, WebLog generation is not included in the time.

CASA logs for stage 8