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

Statwt Summary Plot

VLASS2.1.sb38617989.eb38636486.59099.9471230787_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 5.375 5.085/5.755 5.508 ± 0.5171
ea02 1342 1342/1342 1342 ± 0.000005095 5.554 5.255/6.294 5.805 ± 0.6277
ea04 1342 1342/1342 1342 ± 0.000005091 5.286 4.987/5.944 5.49 ± 0.5674
ea05 1342 1342/1342 1342 ± 0 5.485 5.08/5.997 5.587 ± 0.5813
ea06 1342 1342/1342 1342 ± 0 4.935 4.602/5.459 5.051 ± 0.5073
ea07 1342 1342/1342 1342 ± 0 5.773 5.308/6.08 5.796 ± 0.5719
ea08 1342 1342/1342 1342 ± 0 5.591 5.319/6.436 5.906 ± 0.6503
ea09 1342 1342/1342 1342 ± 0 5.439 5.101/6.127 5.6 ± 0.6069
ea10 1342 1342/1342 1342 ± 0 5.752 5.083/6.381 5.743 ± 0.6812
ea11 1342 1342/1342 1342 ± 0 5.612 5.011/6.128 5.635 ± 0.6413
ea12 1342 1342/1342 1342 ± 0 5.565 5.131/6.207 5.758 ± 0.6501
ea13 1342 1342/1342 1342 ± 0 5.771 5.591/6.201 5.958 ± 0.4923
ea14 1342 1342/1342 1342 ± 0 5.572 5.071/6.178 5.667 ± 0.6685
ea15 1342 1342/1342 1342 ± 0 5.384 4.914/6.069 5.545 ± 0.6751
ea16 1342 1342/1342 1342 ± 0 5.893 5.443/6.568 6.06 ± 0.727
ea17 1342 1342/1342 1342 ± 0 5.734 5.356/6.278 5.874 ± 0.6131
ea18 1342 1342/1342 1342 ± 0 4.829 4.577/5.3 4.969 ± 0.5017
ea19 1342 1342/1342 1342 ± 0 5.777 5.355/6.524 5.991 ± 0.6482
ea20 1342 1342/1342 1342 ± 0 5.933 5.537/6.585 6.106 ± 0.6659
ea21 1342 1342/1342 1342 ± 0 5.523 5.189/6.053 5.662 ± 0.5614
ea22 1342 1342/1342 1342 ± 0 5.358 5.003/6.037 5.549 ± 0.6674
ea23 1342 1342/1342 1342 ± 0 5.794 5.263/6.294 5.887 ± 0.6796
ea25 1342 1342/1342 1342 ± 0 5.345 5.027/5.856 5.486 ± 0.559
ea26 1342 1342/1342 1342 ± 0 5.75 5.426/6.46 5.963 ± 0.6601
ea27 1342 1342/1342 1342 ± 0 5.429 5.083/6.206 5.606 ± 0.5845
ea28 1342 1342/1342 1342 ± 0.00001758 5.45 5.18/6.229 5.7 ± 0.6406
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 ± 0.0000235 5.161 5.012/5.404 5.174 ± 0.2479
3 1342 1342/1342 1342 ± 0.0000235 5.146 4.973/5.319 5.141 ± 0.2601
4 1342 1342/1342 1342 ± 0.0000235 5.06 4.883/5.267 5.054 ± 0.2988
5 1342 1342/1342 1342 ± 0.0000235 5.166 4.926/5.289 5.135 ± 0.3009
6 1342 1342/1342 1342 ± 0.0000235 5.109 4.901/5.332 5.104 ± 0.2824
7 1342 1342/1342 1342 ± 0.0000235 5.191 5.011/5.321 5.164 ± 0.2497
8 1342 1342/1342 1342 ± 0.0000235 5.183 4.939/5.307 5.13 ± 0.2679
9 1342 1342/1342 1342 ± 0.0000235 5.432 5.261/5.67 5.42 ± 0.3035
10 1342 1342/1342 1342 ± 0.0000235 5.873 5.688/6.002 5.835 ± 0.2966
11 1342 1342/1342 1342 ± 0.0000235 6.119 5.917/6.241 6.054 ± 0.3004
12 1342 1342/1342 1342 ± 0.0000235 6.212 5.969/6.408 6.151 ± 0.4413
13 1342 1342/1342 1342 ± 0.0000235 6.656 6.544/6.791 6.646 ± 0.3311
14 1342 1342/1342 1342 ± 0.0000235 6.876 6.682/7.036 6.834 ± 0.3624
15 1342 1342/1342 1342 ± 0.0000235 6.575 6.323/6.775 6.5 ± 0.3492
16 1342 1342/1342 1342 ± 0.00002427 5.856 5.525/6.06 5.83 ± 0.3677
17 1342 1342/1342 1342 ± 0.00002633 5.87 5.479/6.115 5.845 ± 0.3671
output_dir
 
vis
VLASS2.1.sb38617989.eb38636486.59099.9471230787_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2025-01-08 05:33:31.101
End
2025-01-08 06:12:47.355
Duration
0:39:16.254
Note, WebLog generation is not included in the time.

CASA logs for stage 8