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

Statwt Summary Plot

VLASS2.1.sb38508014.eb38518655.59051.788119143515_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 5.22 5.023/5.756 5.408 ± 0.4925
ea02 1342 1342/1342 1342 ± 0.00004527 5.57 5.124/6.229 5.69 ± 0.5917
ea04 1342 1342/1342 1342 ± 0.000006994 5.063 4.81/5.648 5.258 ± 0.5267
ea05 1342 1342/1342 1342 ± 0 5.512 5.101/6.281 5.642 ± 0.6114
ea06 1342 1342/1342 1342 ± 0.000001315 4.867 4.559/5.392 4.989 ± 0.4868
ea07 1342 1342/1342 1342 ± 0.00002018 5.418 5.041/5.783 5.489 ± 0.5852
ea08 1342 1342/1342 1342 ± 0.00004539 5.399 5.291/6.277 5.742 ± 0.5354
ea09 1342 1342/1342 1342 ± 0 5.128 4.839/5.591 5.22 ± 0.4627
ea10 1342 1342/1342 1342 ± 0.0000371 4.632 4.446/5.294 4.866 ± 0.481
ea11 1342 1342/1342 1342 ± 0.00002615 5.44 5.015/6.097 5.594 ± 0.6957
ea12 1342 1342/1342 1342 ± 0 5.228 4.983/5.683 5.372 ± 0.5259
ea13 1342 1342/1342 1342 ± 0.00001279 5.481 5.347/5.94 5.671 ± 0.4027
ea14 1342 1342/1342 1342 ± 0 5.304 5.104/6.089 5.598 ± 0.6264
ea15 1342 1342/1342 1342 ± 0 5.382 5.024/6.033 5.573 ± 0.6328
ea16 1342 1342/1342 1342 ± 0 5.672 5.305/6.043 5.72 ± 0.5902
ea17 1342 1342/1342 1342 ± 0.00004958 5.5 5.203/5.819 5.641 ± 0.5888
ea18 1342 1342/1342 1342 ± 0.00001202 4.75 4.438/5.186 4.892 ± 0.5201
ea19 1342 1342/1342 1342 ± 0 5.552 5.235/6.393 5.793 ± 0.6001
ea20 1342 1342/1342 1342 ± 0.000004743 5.491 5.166/6.043 5.687 ± 0.6361
ea21 1342 1342/1342 1342 ± 0 5.071 4.962/5.839 5.36 ± 0.5069
ea22 1342 1342/1342 1342 ± 0.00003024 5.392 5.071/6.115 5.562 ± 0.5983
ea23 1342 1342/1342 1342 ± 0.000006744 5.314 5.105/6.073 5.663 ± 0.6954
ea24 1342 1342/1342 1342 ± 0 5.157 4.69/5.733 5.217 ± 0.5353
ea25 1342 1342/1342 1342 ± 0.00004076 5.155 4.939/5.826 5.34 ± 0.568
ea26 1342 1342/1342 1342 ± 0.00001682 5.457 5.302/6.269 5.764 ± 0.6062
ea27 1342 1342/1342 1342 ± 0.00004641 5.256 5.13/5.765 5.446 ± 0.5289
ea28 1342 1342/1342 1342 ± 0.00004581 5.38 5.188/6.038 5.651 ± 0.6316
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 ± 0.00002311 5.217 4.964/5.323 5.118 ± 0.2873
4 1342 1342/1342 1342 ± 0.0000232 4.742 4.6/4.925 4.737 ± 0.2763
5 1342 1342/1342 1342 ± 0.00002324 4.962 4.747/5.101 4.954 ± 0.2696
6 1342 1342/1342 1342 ± 0.00002378 5.016 4.793/5.18 4.997 ± 0.2583
7 1342 1342/1342 1342 ± 0.00002311 5.063 4.918/5.225 5.047 ± 0.2495
8 1342 1342/1342 1342 ± 0.00002311 5.074 4.846/5.232 5.024 ± 0.285
9 1342 1342/1342 1342 ± 0.00002311 5.38 5.045/5.588 5.313 ± 0.2947
10 1342 1342/1342 1342 ± 0.00002311 5.787 5.546/5.869 5.694 ± 0.286
11 1342 1342/1342 1342 ± 0.00002311 5.949 5.684/6.086 5.867 ± 0.2949
12 1342 1342/1342 1342 ± 0.00002311 6.154 5.917/6.294 6.113 ± 0.3221
13 1342 1342/1342 1342 ± 0.00002311 6.594 6.218/6.781 6.518 ± 0.3763
14 1342 1342/1342 1342 ± 0.00002965 6.787 6.353/6.867 6.596 ± 0.412
15 1342 1342/1342 1342 ± 0.00004612 5.791 5.564/6.222 5.803 ± 0.4281
16 1342 1342/1342 1342 ± 0.00005673 5.052 4.783/5.271 5.005 ± 0.3269
17 1342 1342/1342 1342 ± 0.00005438 5.232 4.988/5.436 5.2 ± 0.3639
statwtmode
VLASS-SE
datacolumn
residual_data
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38508014.eb38518655.59051.788119143515_split_split.ms
Start time
2024-12-06 13:34:08.401
End
2024-12-06 14:23:29.466
Duration
0:49:21.065
Note, WebLog generation is not included in the time.

CASA logs for stage 8