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

Statwt Summary Plot

VLASS2.1.sb38471682.eb38515236.59049.18662664352_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 5.591 5.312/6.331 5.677 ± 0.6977
ea02 1342 1342/1342 1342 ± 0.00004227 6.063 5.347/6.754 6.046 ± 0.8875
ea04 1342 1342/1342 1342 ± 0.00001497 5.408 5.289/6.073 5.596 ± 0.7
ea05 1342 1342/1342 1342 ± 0.00001292 5.525 5.23/6.624 5.884 ± 0.7808
ea06 1342 1342/1342 1342 ± 0.00002632 5.187 4.876/5.811 5.282 ± 0.6235
ea07 1342 1342/1342 1342 ± 0.00004093 5.983 5.534/6.346 5.906 ± 0.7983
ea09 1342 1342/1342 1342 ± 0.00001854 5.285 5.052/5.91 5.396 ± 0.5455
ea10 1342 1342/1342 1342 ± 0.0000468 5.264 4.877/5.962 5.308 ± 0.6942
ea11 1342 1342/1342 1342 ± 0.00004356 6.121 5.595/6.711 6.044 ± 0.8493
ea12 1342 1342/1342 1342 ± 0.00003273 5.772 5.672/6.522 6.008 ± 0.8316
ea13 1342 1342/1342 1342 ± 0.000009539 5.949 5.557/6.374 6.088 ± 0.6535
ea14 1342 1342/1342 1342 ± 0.00003791 5.808 5.469/6.711 6.008 ± 0.8556
ea15 1342 1342/1342 1342 ± 0.00001325 5.755 5.502/6.56 5.92 ± 0.8772
ea16 1342 1342/1342 1342 ± 0.00002106 5.952 5.519/6.776 6.069 ± 0.9528
ea17 1342 1342/1342 1342 ± 0.00004354 6.011 5.594/6.767 6.078 ± 0.9038
ea18 1342 1342/1342 1342 ± 0.00004255 5.164 4.838/5.705 5.266 ± 0.6236
ea19 1342 1342/1342 1342 ± 0.00002224 5.8 5.597/6.798 6.073 ± 0.8247
ea20 1342 1342/1342 1342 ± 0.00004147 6.225 5.941/7.049 6.342 ± 0.9352
ea21 1342 1342/1342 1342 ± 0.00002751 5.584 5.178/6.402 5.767 ± 0.8021
ea22 1342 1342/1342 1342 ± 0.00002749 5.608 5.147/6.543 5.819 ± 0.7636
ea23 1342 1342/1342 1342 ± 0.00004283 5.981 5.528/6.756 6.068 ± 0.9384
ea24 1342 1342/1342 1342 ± 0.00001178 5.248 5.002/6.183 5.517 ± 0.6626
ea25 1342 1342/1342 1342 ± 0.00004294 5.682 5.236/6.322 5.759 ± 0.7749
ea26 1342 1342/1342 1342 ± 0.00001763 5.892 5.78/6.899 6.195 ± 0.7898
ea27 1342 1342/1342 1342 ± 0.0000433 5.781 5.386/6.678 5.887 ± 0.8205
ea28 1342 1342/1342 1342 ± 0.00004273 5.775 5.665/6.731 6.036 ± 0.8723
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 ± 0.00002353 5.38 5.158/5.556 5.319 ± 0.3131
3 1342 1342/1342 1342 ± 0.0000366 5.417 5.218/5.654 5.452 ± 0.4254
5 1342 1342/1342 1342 ± 0.00002609 5.579 5.388/5.838 5.598 ± 0.3222
6 1342 1342/1342 1342 ± 0.00002353 5.599 5.226/5.708 5.497 ± 0.2954
7 1342 1342/1342 1342 ± 0.00002353 5.589 5.354/5.745 5.537 ± 0.2965
8 1342 1342/1342 1342 ± 0.00002353 5.509 5.186/5.649 5.444 ± 0.3366
9 1342 1342/1342 1342 ± 0.00002353 5.771 5.387/5.875 5.669 ± 0.3311
10 1342 1342/1342 1342 ± 0.00002353 6.179 5.963/6.295 6.102 ± 0.3068
11 1342 1342/1342 1342 ± 0.00002353 6.41 6.074/6.643 6.375 ± 0.3241
12 1342 1342/1342 1342 ± 0.00002353 6.611 6.331/6.757 6.529 ± 0.3691
13 1342 1342/1342 1342 ± 0.00002353 6.948 6.756/7.255 6.922 ± 0.4229
14 1342 1342/1342 1342 ± 0.00002353 7.293 6.923/7.439 7.122 ± 0.4396
15 1342 1342/1342 1342 ± 0.00002356 6.58 6.296/6.911 6.564 ± 0.4835
16 1342 1342/1342 1342 ± 0.0000582 4.471 4.325/4.645 4.478 ± 0.2114
17 1342 1342/1342 1342 ± 0.00006103 4.638 4.497/4.851 4.687 ± 0.2878
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS2.1.sb38471682.eb38515236.59049.18662664352_split_split.ms
Start time
2024-04-21 00:53:26.257
End
2024-04-21 01:54:59.796
Duration
1:01:33.539
Note, WebLog generation is not included in the time.

CASA logs for stage 7