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

Statwt Summary Plot

VLASS2.1.sb38521729.eb38627577.59093.001901145835_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 5.453 5.259/6.023 5.679 ± 0.5022
ea02 1342 1342/1342 1342 ± 0.00001287 5.747 5.374/6.456 5.949 ± 0.6566
ea04 1342 1342/1342 1342 ± 0 5.426 5.103/6.051 5.621 ± 0.5751
ea05 1342 1342/1342 1342 ± 0 5.691 5.226/6.167 5.737 ± 0.5831
ea06 1342 1342/1342 1342 ± 0 4.873 4.631/5.271 4.964 ± 0.3972
ea07 1342 1342/1342 1342 ± 0 5.899 5.468/6.233 5.968 ± 0.5553
ea08 1342 1342/1342 1342 ± 0.00002653 5.791 5.512/6.593 6.039 ± 0.6727
ea09 1342 1342/1342 1342 ± 0.000006822 5.419 5.209/6.262 5.704 ± 0.6301
ea10 1342 1342/1342 1342 ± 0 5.826 5.335/6.515 5.887 ± 0.6443
ea11 1342 1342/1342 1342 ± 0 5.741 5.064/6.221 5.718 ± 0.656
ea12 1342 1342/1342 1342 ± 0 6.222 6.025/6.634 6.324 ± 0.4071
ea13 1342 1342/1342 1342 ± 0 5.812 5.657/6.285 6.038 ± 0.5004
ea14 1342 1342/1342 1342 ± 0 5.776 5.288/6.367 5.876 ± 0.6405
ea15 1342 1342/1342 1342 ± 0 5.57 5.052/6.194 5.691 ± 0.7007
ea16 1342 1342/1342 1342 ± 0 6.104 5.674/6.728 6.265 ± 0.6928
ea17 1342 1342/1342 1342 ± 0.00002043 5.901 5.564/6.434 6.08 ± 0.6123
ea18 1342 1342/1342 1342 ± 0 4.975 4.619/5.48 5.088 ± 0.4978
ea19 1342 1342/1342 1342 ± 0 5.891 5.442/6.43 6.044 ± 0.6012
ea20 1342 1342/1342 1342 ± 0 5.943 5.532/6.511 6.064 ± 0.6224
ea21 1342 1342/1342 1342 ± 0 5.636 5.326/6.209 5.801 ± 0.547
ea22 1342 1342/1342 1342 ± 0.0000109 5.48 5.259/6.366 5.789 ± 0.6508
ea23 1342 1342/1342 1342 ± 0 6.015 5.512/6.463 6.092 ± 0.6577
ea25 1342 1342/1342 1342 ± 0 5.455 5.143/5.952 5.589 ± 0.5492
ea26 1342 1342/1342 1342 ± 0 5.891 5.672/6.745 6.151 ± 0.6358
ea27 1342 1342/1342 1342 ± 0.000027 5.503 5.29/6.289 5.725 ± 0.5549
ea28 1342 1342/1342 1342 ± 0.000036 5.557 5.338/6.387 5.84 ± 0.6431
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 ± 0.00002392 5.357 5.236/5.597 5.373 ± 0.2744
3 1342 1342/1342 1342 ± 0.00002392 5.18 5.029/5.481 5.212 ± 0.286
4 1342 1342/1342 1342 ± 0.00002435 5.243 5.03/5.42 5.207 ± 0.315
5 1342 1342/1342 1342 ± 0.00002392 5.401 5.113/5.477 5.313 ± 0.3261
6 1342 1342/1342 1342 ± 0.00002392 5.296 5.06/5.429 5.262 ± 0.3092
7 1342 1342/1342 1342 ± 0.00002392 5.314 5.16/5.514 5.297 ± 0.2699
8 1342 1342/1342 1342 ± 0.00002392 5.353 5.097/5.421 5.261 ± 0.2865
9 1342 1342/1342 1342 ± 0.00002392 5.598 5.353/5.827 5.544 ± 0.328
10 1342 1342/1342 1342 ± 0.00002348 6.013 5.807/6.196 5.971 ± 0.3178
11 1342 1342/1342 1342 ± 0.00002348 6.283 6.097/6.4 6.197 ± 0.3244
12 1342 1342/1342 1342 ± 0.00002348 6.382 6.261/6.588 6.354 ± 0.3485
13 1342 1342/1342 1342 ± 0.00002348 6.825 6.743/6.968 6.795 ± 0.368
14 1342 1342/1342 1342 ± 0.00002348 7.006 6.76/7.216 6.961 ± 0.4015
15 1342 1342/1342 1342 ± 0.00002348 6.583 6.368/6.795 6.526 ± 0.4176
16 1342 1342/1342 1342 ± 0.00003962 5.922 5.594/6.155 5.876 ± 0.3638
17 1342 1342/1342 1342 ± 0.00003823 5.892 5.61/6.113 5.871 ± 0.3522
datacolumn
residual_data
vis
VLASS2.1.sb38521729.eb38627577.59093.001901145835_split_split.ms
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2024-05-01 10:05:08.528
End
2024-05-01 11:14:24.316
Duration
1:09:15.788
Note, WebLog generation is not included in the time.

CASA logs for stage 7