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

Statwt Summary Plot

VLASS2.1.sb38450628.eb38515240.59049.50130047454_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 5.47 5.308/6.05 5.459 ± 0.8914
ea02 1342 1342/1342 1342 ± 0.00004299 6.077 5.482/6.728 5.834 ± 1.093
ea04 1342 1342/1342 1342 ± 0.00003276 5.549 5.15/6.207 5.409 ± 1.012
ea05 1342 1342/1342 1342 ± 0.00001013 5.482 5.095/6.243 5.5 ± 0.8015
ea06 1342 1342/1342 1342 ± 0.00003811 5.254 4.958/5.867 5.16 ± 0.8938
ea07 1342 1342/1342 1342 ± 0.00004439 5.69 5.397/6.198 5.573 ± 0.9127
ea09 1342 1342/1342 1342 ± 0.00000131 5.38 5.065/5.931 5.352 ± 0.7268
ea10 1342 1342/1342 1342 ± 0.00004656 5.124 4.836/5.894 5.12 ± 0.8347
ea11 1342 1342/1342 1342 ± 0.00004213 5.798 5.41/6.656 5.728 ± 1.031
ea12 1342 1342/1342 1342 ± 0.00004088 5.95 5.569/6.738 5.881 ± 1.114
ea13 1342 1342/1342 1342 ± 0.000008471 5.836 5.678/6.378 5.868 ± 0.8032
ea14 1342 1342/1342 1342 ± 0.00001414 5.756 5.355/6.611 5.697 ± 0.9414
ea15 1342 1342/1342 1342 ± 0.00002324 5.751 5.464/6.607 5.729 ± 1.191
ea16 1342 1342/1342 1342 ± 0.00001984 5.761 5.49/6.49 5.737 ± 1
ea17 1342 1342/1342 1342 ± 0.00004518 5.913 5.559/6.604 5.859 ± 1.05
ea18 1342 1342/1342 1342 ± 0.00004337 5.11 4.743/5.719 5.062 ± 0.8092
ea19 1342 1342/1342 1342 ± 0.000001821 5.762 5.489/6.529 5.791 ± 0.8312
ea20 1342 1342/1342 1342 ± 0.00004269 6.16 5.92/7.207 6.198 ± 1.179
ea21 1342 1342/1342 1342 ± 0.0000151 5.445 5.343/6.288 5.49 ± 0.8566
ea22 1342 1342/1342 1342 ± 0.00002613 5.506 5.218/6.512 5.615 ± 0.9781
ea23 1342 1342/1342 1342 ± 0.00004102 5.613 5.442/6.503 5.716 ± 0.9995
ea24 1342 1342/1342 1342 ± 0 5.138 4.88/6.119 5.384 ± 0.7067
ea25 1342 1342/1342 1342 ± 0.00004416 5.576 5.366/6.358 5.585 ± 0.9734
ea26 1342 1342/1342 1342 ± 0.000009544 5.777 5.639/6.768 5.911 ± 0.9198
ea27 1342 1342/1342 1342 ± 0.00004609 5.625 5.288/6.61 5.63 ± 1.014
ea28 1342 1342/1342 1342 ± 0.00004501 5.812 5.565/6.675 5.793 ± 1.032
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 ± 0.00002349 5.551 5.342/5.728 5.503 ± 0.3162
3 1342 1342/1342 1342 ± 0.00004655 5.335 5.043/5.636 5.327 ± 0.4445
5 1342 1342/1342 1342 ± 0.00002545 5.407 5.205/5.564 5.384 ± 0.3183
6 1342 1342/1342 1342 ± 0.00002349 5.423 5.151/5.59 5.383 ± 0.2756
7 1342 1342/1342 1342 ± 0.00002349 5.488 5.247/5.583 5.423 ± 0.2867
8 1342 1342/1342 1342 ± 0.00002349 5.449 5.136/5.576 5.382 ± 0.3168
9 1342 1342/1342 1342 ± 0.00002349 5.759 5.36/5.889 5.671 ± 0.3118
10 1342 1342/1342 1342 ± 0.00002349 6.159 5.916/6.275 6.078 ± 0.296
11 1342 1342/1342 1342 ± 0.00002349 6.419 6.119/6.61 6.379 ± 0.304
12 1342 1342/1342 1342 ± 0.00002349 6.573 6.308/6.78 6.558 ± 0.3478
13 1342 1342/1342 1342 ± 0.00002375 6.699 6.398/6.943 6.664 ± 0.3907
14 1342 1342/1342 1342 ± 0.00003845 6.225 5.881/6.611 6.279 ± 0.5391
15 1342 1342/1342 1342 ± 0.00002362 6.789 6.288/7.012 6.647 ± 0.4657
16 1342 1342/1342 1342 ± 0.0000592 3.569 3.393/3.844 3.623 ± 0.3336
17 1342 1342/1342 1342 ± 0.00006077 3.694 3.54/3.911 3.742 ± 0.291
vis
VLASS2.1.sb38450628.eb38515240.59049.50130047454_split_split.ms
overwrite_modelcol
False
output_dir
 
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2024-05-17 19:49:50.742
End
2024-05-17 20:38:18.821
Duration
0:48:28.079
Note, WebLog generation is not included in the time.

CASA logs for stage 8