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

Statwt Summary Plot

VLASS2.1.sb38519261.eb38635357.59099.15007053241_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 5.269 4.596/5.529 5.139 ± 0.5947
ea02 1342 1342/1342 1342 ± 0.000003112 5.314 4.844/6.058 5.417 ± 0.7118
ea04 1342 1342/1342 1342 ± 0 5.344 4.813/5.983 5.426 ± 0.6085
ea05 1342 1342/1342 1342 ± 0 5.687 5.032/6.171 5.584 ± 0.6174
ea06 1342 1342/1342 1342 ± 0 4.805 4.28/5.07 4.716 ± 0.4326
ea07 1342 1342/1342 1342 ± 0.000007451 5.597 4.706/5.89 5.407 ± 0.6865
ea08 1342 1342/1342 1342 ± 0.00001581 5.309 4.818/6.088 5.453 ± 0.7259
ea09 1342 1342/1342 1342 ± 0 5.46 4.852/6.165 5.441 ± 0.6877
ea10 1342 1342/1342 1342 ± 0.00002247 5.652 4.648/6.021 5.345 ± 0.725
ea11 1342 1342/1342 1342 ± 0.000004116 5.503 4.376/5.858 5.249 ± 0.775
ea12 1342 1342/1342 1342 ± 0 5.805 5.033/6.247 5.776 ± 0.7081
ea13 1342 1342/1342 1342 ± 0 6.026 5.557/6.21 5.99 ± 0.5335
ea14 1342 1342/1342 1342 ± 0 5.638 4.733/6.141 5.54 ± 0.72
ea15 1342 1342/1342 1342 ± 0 5.56 4.88/6.063 5.574 ± 0.7288
ea16 1342 1342/1342 1342 ± 0 5.916 5.272/6.472 5.944 ± 0.753
ea17 1342 1342/1342 1342 ± 0.00003565 5.451 4.776/6.176 5.42 ± 0.7009
ea18 1342 1342/1342 1342 ± 0 4.753 4.193/5.196 4.77 ± 0.5573
ea19 1342 1342/1342 1342 ± 0 5.977 5.248/6.54 5.961 ± 0.6924
ea20 1342 1342/1342 1342 ± 0 5.995 5.129/6.586 5.878 ± 0.7364
ea21 1342 1342/1342 1342 ± 0 5.653 5.058/6.024 5.573 ± 0.6012
ea22 1342 1342/1342 1342 ± 0 5.25 4.688/5.971 5.309 ± 0.6897
ea23 1342 1342/1342 1342 ± 0 5.784 4.998/6.22 5.731 ± 0.7799
ea25 1342 1342/1342 1342 ± 0.00002247 5.294 4.521/5.682 5.15 ± 0.664
ea26 1342 1342/1342 1342 ± 0 5.745 5.219/6.667 5.901 ± 0.7057
ea27 1342 1342/1342 1342 ± 0.00002964 5.201 4.529/5.795 5.152 ± 0.6461
ea28 1342 1342/1342 1342 ± 0.00004029 5.373 4.591/5.887 5.292 ± 0.6736
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 ± 0.00002961 4.624 4.353/4.948 4.642 ± 0.3325
4 1342 1342/1342 1342 ± 0.00002839 4.529 4.404/4.875 4.618 ± 0.35
5 1342 1342/1342 1342 ± 0.00002748 4.769 4.619/5.036 4.814 ± 0.3386
6 1342 1342/1342 1342 ± 0.0000263 4.774 4.58/4.993 4.782 ± 0.3285
7 1342 1342/1342 1342 ± 0.00002581 4.822 4.664/5.039 4.87 ± 0.3149
8 1342 1342/1342 1342 ± 0.00002509 4.877 4.646/5.071 4.87 ± 0.3096
9 1342 1342/1342 1342 ± 0.00002534 5.207 4.935/5.321 5.145 ± 0.3276
10 1342 1342/1342 1342 ± 0.00002649 5.63 5.456/5.782 5.613 ± 0.3027
11 1342 1342/1342 1342 ± 0.0000261 5.889 5.724/5.982 5.834 ± 0.3232
12 1342 1342/1342 1342 ± 0.00002539 6.023 5.8/6.194 5.997 ± 0.3636
13 1342 1342/1342 1342 ± 0.00002483 6.41 6.276/6.695 6.409 ± 0.4022
14 1342 1342/1342 1342 ± 0.00002514 6.6 6.448/6.965 6.6 ± 0.4267
15 1342 1342/1342 1342 ± 0.00002506 6.308 6.101/6.661 6.295 ± 0.414
16 1342 1342/1342 1342 ± 0.00003338 5.778 5.372/6.031 5.711 ± 0.4173
17 1342 1342/1342 1342 ± 0.00003351 5.688 5.393/6.066 5.727 ± 0.4116
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS2.1.sb38519261.eb38635357.59099.15007053241_split_split.ms
output_dir
 
Start time
2025-02-20 07:28:11.879
End
2025-02-20 07:56:51.296
Duration
0:28:39.418
Note, WebLog generation is not included in the time.

CASA logs for stage 8