7. Reweight visibilities

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

Statwt Summary Plot

VLASS2.1.sb38356411.eb38409574.59026.96060568287_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: Wij≈WiWj.
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 5.544 5.331/6.031 5.723 ± 0.4953
ea02 1342 1342/1342 1342 ± 0 5.955 5.463/6.543 6.026 ± 0.5789
ea04 1342 1342/1342 1342 ± 0 5.624 5.265/6.207 5.79 ± 0.5697
ea05 1342 1342/1342 1342 ± 0 5.834 5.545/6.511 5.946 ± 0.564
ea06 1342 1342/1342 1342 ± 0 5.923 5.238/6.151 5.75 ± 0.5185
ea07 1342 1342/1342 1342 ± 0 5.481 5.295/5.886 5.514 ± 0.483
ea08 1342 1342/1342 1342 ± 0 6.058 5.652/6.665 6.194 ± 0.6233
ea09 1342 1342/1342 1342 ± 0 6.376 6.128/6.676 6.398 ± 0.4041
ea10 1342 1342/1342 1342 ± 0 5.332 5.064/6.031 5.547 ± 0.511
ea11 1342 1342/1342 1342 ± 0 6.074 5.47/6.551 6.067 ± 0.6219
ea12 1342 1342/1342 1342 ± 0 5.804 5.46/6.446 6 ± 0.6137
ea13 1342 1342/1342 1342 ± 0 6.154 5.796/6.457 6.194 ± 0.4791
ea14 1342 1342/1342 1342 ± 0 5.729 5.4/6.408 5.885 ± 0.5945
ea15 1342 1342/1342 1342 ± 0 5.881 5.503/6.516 6.071 ± 0.6807
ea16 1342 1342/1342 1342 ± 0 6.017 5.708/6.734 6.198 ± 0.6764
ea17 1342 1342/1342 1342 ± 0 6.092 5.715/6.534 6.205 ± 0.604
ea18 1342 1342/1342 1342 ± 0 5.174 4.849/5.724 5.295 ± 0.5227
ea19 1342 1342/1342 1342 ± 0 6.177 5.801/6.875 6.359 ± 0.6475
ea20 1342 1342/1342 1342 ± 0 6.193 5.823/6.721 6.312 ± 0.6445
ea21 1342 1342/1342 1342 ± 0 5.583 5.426/6.253 5.819 ± 0.5297
ea22 1342 1342/1342 1342 ± 0 5.943 5.381/6.496 5.991 ± 0.6529
ea23 1342 1342/1342 1342 ± 0 5.749 5.578/6.641 6.088 ± 0.6813
ea24 1342 1342/1342 1342 ± 0 5.717 5.161/6.282 5.743 ± 0.6175
ea25 1342 1342/1342 1342 ± 0 5.835 5.593/6.363 6.007 ± 0.5583
ea26 1342 1342/1342 1342 ± 0 6.161 5.773/6.781 6.28 ± 0.6731
ea27 1342 1342/1342 1342 ± 0 5.722 5.421/6.556 5.941 ± 0.6136
ea28 1342 1342/1342 1342 ± 0 5.765 5.495/6.441 5.97 ± 0.6124
Summary of before/after-statwt antenna-based weights (Wi) for each spectral window. The antenna-based weights are derived from the visibility WEIGHT column: Wij≈WiWj.
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 5.57 5.332/5.739 5.538 ± 0.2561
3 1342 1342/1342 1342 ± 0 5.299 5.147/5.504 5.312 ± 0.2701
4 1342 1342/1342 1342 ± 0 5.317 5.225/5.551 5.342 ± 0.2995
5 1342 1342/1342 1342 ± 0 5.496 5.302/5.643 5.488 ± 0.269
6 1342 1342/1342 1342 ± 0 5.481 5.242/5.65 5.475 ± 0.2536
7 1342 1342/1342 1342 ± 0 5.438 5.331/5.588 5.469 ± 0.2386
8 1342 1342/1342 1342 ± 0 5.472 5.192/5.639 5.428 ± 0.2701
9 1342 1342/1342 1342 ± 0 5.724 5.563/5.969 5.728 ± 0.2604
10 1342 1342/1342 1342 ± 0 6.118 5.941/6.267 6.061 ± 0.3465
11 1342 1342/1342 1342 ± 0 6.363 6.165/6.506 6.311 ± 0.3217
12 1342 1342/1342 1342 ± 0 6.507 6.289/6.634 6.469 ± 0.3412
13 1342 1342/1342 1342 ± 0 6.955 6.745/7.178 6.915 ± 0.3604
14 1342 1342/1342 1342 ± 0 7.172 6.852/7.431 7.09 ± 0.37
15 1342 1342/1342 1342 ± 0 6.593 6.473/6.875 6.621 ± 0.3211
16 1342 1342/1342 1342 ± 0 6.08 5.89/6.227 6.042 ± 0.3987
17 1342 1342/1342 1342 ± 0 6.027 5.782/6.255 5.974 ± 0.4114
Pipeline QA summary for this task.
Score Reason
1.00 0.00% data in VLASS2.1.sb38356411.eb38409574.59026.96060568287_split_split.ms flagged by statwt flagging agents
overwrite_modelcol
False
vis
/mnt/condor/execute/dir_130276/working/VLASS2.1.sb38356411.eb38409574.59026.96060568287_split_split.ms
datacolumn
residual_data
output_dir
/mnt/condor/execute/dir_130276/working
statwtmode
VLASS-SE
Start time
2022-07-26 02:56:11.050
End
2022-07-26 03:33:38.912
Duration
0:37:27.862
Note, WebLog generation is not included in the time.

CASA logs for stage 7