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 5.272 5.069/5.982 5.441 ± 0.5638
ea02 1342 1342/1342 1342 ± 0.00003963 5.818 5.277/6.551 5.843 ± 0.7309
ea03 1342 1342/1342 1342 ± 0.00001797 4.988 4.583/5.856 5.171 ± 0.6631
ea04 1342 1342/1342 1342 ± 0.00003646 5.222 5.02/6.047 5.397 ± 0.7016
ea05 1342 1342/1342 1342 ± 0.00002378 5.41 5.181/6.239 5.619 ± 0.6849
ea06 1342 1342/1342 1342 ± 0.00003585 5.048 4.83/5.59 5.102 ± 0.5503
ea07 1342 1342/1342 1342 ± 0.00003723 5.758 5.309/6.189 5.752 ± 0.6919
ea08 1342 1342/1342 1342 ± 0.00003725 6.027 5.493/6.81 6.081 ± 0.7894
ea09 1342 1342/1342 1342 ± 0.00002451 5.45 5.132/6.402 5.599 ± 0.7214
ea10 1342 1342/1342 1342 ± 0.00003357 5.731 5.149/6.532 5.759 ± 0.7601
ea11 1342 1342/1342 1342 ± 0.00003913 5.681 5.014/6.342 5.599 ± 0.7201
ea12 1342 1342/1342 1342 ± 0.00003773 5.431 5.137/6.328 5.628 ± 0.7639
ea13 1342 1342/1342 1342 ± 0.00002012 5.811 5.634/6.54 5.983 ± 0.7296
ea14 1342 1342/1342 1342 ± 0.0000306 5.512 5.077/6.332 5.655 ± 0.7529
ea15 1342 1342/1342 1342 ± 0.0000316 5.459 5.08/6.263 5.571 ± 0.8585
ea16 1342 1342/1342 1342 ± 0.00002515 5.881 5.442/6.708 6.013 ± 0.8411
ea17 1342 1342/1342 1342 ± 0.00004364 6.018 5.558/6.949 6.109 ± 0.7909
ea18 1342 1342/1342 1342 ± 0.00003951 4.782 4.514/5.508 4.908 ± 0.5136
ea19 1342 1342/1342 1342 ± 0.00002002 5.473 5.269/6.328 5.744 ± 0.6927
ea21 1342 1342/1342 1342 ± 0.00002223 5.528 5.271/6.307 5.731 ± 0.6825
ea22 1342 1342/1342 1342 ± 0.00003397 5.413 5.004/6.367 5.633 ± 0.7344
ea23 1342 1342/1342 1342 ± 0.00003471 5.772 5.311/6.5 5.856 ± 0.7728
ea25 1342 1342/1342 1342 ± 0.000041 5.546 5.119/6.207 5.578 ± 0.6675
ea26 1342 1342/1342 1342 ± 0.00002552 5.83 5.471/6.806 5.962 ± 0.7967
ea27 1342 1342/1342 1342 ± 0.00004045 5.485 5.058/6.35 5.643 ± 0.6817
ea28 1342 1342/1342 1342 ± 0.00003945 5.377 5.123/6.2 5.569 ± 0.638
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 ± 0.00002384 5.152 5.054/5.362 5.167 ± 0.2386
3 1342 1342/1342 1342 ± 0.00006085 5.225 4.876/5.706 5.321 ± 0.6441
5 1342 1342/1342 1342 ± 0.00002385 5.174 5.003/5.392 5.192 ± 0.3267
6 1342 1342/1342 1342 ± 0.00002384 5.193 5.018/5.357 5.191 ± 0.2929
7 1342 1342/1342 1342 ± 0.00002384 5.167 5.107/5.308 5.208 ± 0.2491
8 1342 1342/1342 1342 ± 0.00002381 5.231 5.032/5.404 5.203 ± 0.2763
9 1342 1342/1342 1342 ± 0.00002383 5.506 5.382/5.781 5.52 ± 0.3115
10 1342 1342/1342 1342 ± 0.00002376 5.926 5.772/6.114 5.894 ± 0.3085
11 1342 1342/1342 1342 ± 0.00002384 6.226 6.071/6.372 6.171 ± 0.3079
12 1342 1342/1342 1342 ± 0.00002386 6.355 6.202/6.501 6.334 ± 0.3173
13 1342 1342/1342 1342 ± 0.00002407 6.665 6.419/6.777 6.584 ± 0.3592
14 1342 1342/1342 1342 ± 0.00002852 6.618 6.349/6.869 6.558 ± 0.4269
15 1342 1342/1342 1342 ± 0.00003039 6.568 6.358/6.8 6.539 ± 0.4479
16 1342 1342/1342 1342 ± 0.00005606 4.229 4.092/4.343 4.203 ± 0.2194
17 1342 1342/1342 1342 ± 0.00005671 4.393 4.226/4.538 4.372 ± 0.2511
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS2.1.sb38664748.eb38688475.59125.74132475695_split_split.ms
overwrite_modelcol
False
Start time
2025-01-04 05:48:35.406
End
2025-01-04 06:40:13.235
Duration
0:51:37.829
Note, WebLog generation is not included in the time.

CASA logs for stage 8