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

Statwt Summary Plot

VLASS2.1.sb38664748.eb38688475.59125.74132475695_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 5.107 4.974/5.734 5.15 ± 0.7252
ea02 1342 1342/1342 1342 ± 0.00004394 5.507 5.014/6.302 5.476 ± 0.9148
ea03 1342 1342/1342 1342 ± 0.00001296 4.732 4.534/5.797 5.018 ± 0.6973
ea04 1342 1342/1342 1342 ± 0.00002055 5.137 4.921/5.961 5.227 ± 0.7787
ea05 1342 1342/1342 1342 ± 0.00002094 5.344 4.98/6.099 5.437 ± 0.6855
ea06 1342 1342/1342 1342 ± 0.00003054 4.863 4.653/5.604 4.917 ± 0.7422
ea07 1342 1342/1342 1342 ± 0.00004516 5.323 5.123/5.982 5.4 ± 0.7914
ea08 1342 1342/1342 1342 ± 0.00004588 5.669 5.313/6.521 5.693 ± 1.002
ea09 1342 1342/1342 1342 ± 0.0000219 5.221 5.044/6.111 5.363 ± 0.7735
ea10 1342 1342/1342 1342 ± 0.00004631 5.259 5.005/6.298 5.392 ± 0.9204
ea11 1342 1342/1342 1342 ± 0.00004567 5.337 4.873/6.216 5.3 ± 0.9014
ea12 1342 1342/1342 1342 ± 0.00003643 5.241 5.02/6.33 5.411 ± 0.952
ea13 1342 1342/1342 1342 ± 0.00002933 5.722 5.547/6.374 5.774 ± 0.7703
ea14 1342 1342/1342 1342 ± 0.00002396 5.239 4.906/6.205 5.354 ± 0.7762
ea15 1342 1342/1342 1342 ± 0.00001867 5.096 4.903/6.181 5.417 ± 0.8897
ea16 1342 1342/1342 1342 ± 0.00003401 5.58 5.297/6.371 5.656 ± 0.87
ea17 1342 1342/1342 1342 ± 0.00005134 5.783 5.33/6.499 5.727 ± 0.964
ea18 1342 1342/1342 1342 ± 0.00004445 4.595 4.393/5.351 4.698 ± 0.6695
ea19 1342 1342/1342 1342 ± 0.000007302 5.395 5.153/6.194 5.526 ± 0.677
ea21 1342 1342/1342 1342 ± 0.00002921 5.366 5.018/6.125 5.403 ± 0.7205
ea22 1342 1342/1342 1342 ± 0.00004263 5.233 4.881/6.178 5.322 ± 0.8646
ea23 1342 1342/1342 1342 ± 0.00004376 5.367 5.055/6.218 5.481 ± 0.8368
ea25 1342 1342/1342 1342 ± 0.00004985 5.227 4.915/5.995 5.182 ± 0.8963
ea26 1342 1342/1342 1342 ± 0.000036 5.559 5.332/6.509 5.743 ± 0.8301
ea27 1342 1342/1342 1342 ± 0.00005161 5.237 4.938/6.173 5.314 ± 0.8383
ea28 1342 1342/1342 1342 ± 0.0000493 5.266 4.959/6.028 5.251 ± 0.8176
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 ± 0.00002368 5.055 4.966/5.283 5.081 ± 0.2386
3 1342 1342/1342 1342 ± 0.00005712 4.803 4.581/5.172 4.854 ± 0.3978
5 1342 1342/1342 1342 ± 0.00002372 5.125 4.896/5.296 5.123 ± 0.3127
6 1342 1342/1342 1342 ± 0.00002368 5.104 4.932/5.237 5.094 ± 0.2785
7 1342 1342/1342 1342 ± 0.00002368 5.103 5.035/5.236 5.143 ± 0.2403
8 1342 1342/1342 1342 ± 0.00002368 5.134 4.975/5.337 5.135 ± 0.2688
9 1342 1342/1342 1342 ± 0.00002368 5.425 5.317/5.699 5.444 ± 0.3069
10 1342 1342/1342 1342 ± 0.00002368 5.861 5.704/6.032 5.83 ± 0.31
11 1342 1342/1342 1342 ± 0.00002368 6.179 6.002/6.312 6.121 ± 0.2999
12 1342 1342/1342 1342 ± 0.00002368 6.334 6.158/6.429 6.291 ± 0.3073
13 1342 1342/1342 1342 ± 0.00002428 6.352 6.223/6.578 6.358 ± 0.3215
14 1342 1342/1342 1342 ± 0.00004453 5.961 5.719/6.315 6.021 ± 0.4191
15 1342 1342/1342 1342 ± 0.00002521 6.408 6.192/6.666 6.386 ± 0.4184
16 1342 1342/1342 1342 ± 0.00005618 3.77 3.508/4.016 3.764 ± 0.331
17 1342 1342/1342 1342 ± 0.00005977 3.829 3.575/4.036 3.817 ± 0.3063
output_dir
 
overwrite_modelcol
False
statwtmode
VLASS-SE
datacolumn
residual_data
vis
VLASS2.1.sb38664748.eb38688475.59125.74132475695_split_split.ms
Start time
2025-01-04 10:30:10.465
End
2025-01-04 11:31:07.930
Duration
1:00:57.465
Note, WebLog generation is not included in the time.

CASA logs for stage 8