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

Statwt Summary Plot

VLASS2.1.sb38482214.eb38565046.59071.1506340625_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 5.321 5.23/6.105 5.635 ± 0.5728
ea02 1342 1342/1342 1342 ± 0.0000415 5.75 5.331/6.607 5.917 ± 0.7594
ea05 1342 1342/1342 1342 ± 0.00002959 5.413 5.199/6.261 5.724 ± 0.6711
ea06 1342 1342/1342 1342 ± 0 4.859 4.75/5.384 5.001 ± 0.451
ea07 1342 1342/1342 1342 ± 0.00003113 5.746 5.303/5.997 5.709 ± 0.5854
ea08 1342 1342/1342 1342 ± 0.00004092 5.865 5.525/6.804 6.121 ± 0.7869
ea09 1342 1342/1342 1342 ± 0.0000363 4.502 3.308/6.069 4.543 ± 1.269
ea10 1342 1342/1342 1342 ± 0.00004089 5.283 5.089/6.373 5.673 ± 0.6558
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.644 5.35/6.551 5.863 ± 0.7615
ea13 1342 1342/1342 1342 ± 0.00003152 5.788 5.627/6.374 6.033 ± 0.6027
ea14 1342 1342/1342 1342 ± 0.000002451 6.481 5.966/7.008 6.394 ± 0.6644
ea15 1342 1342/1342 1342 ± 0 5.294 5.136/6.222 5.669 ± 0.7011
ea16 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea17 1342 1342/1342 1342 ± 0.0000415 5.957 5.566/7.066 6.11 ± 0.7348
ea18 1342 1342/1342 1342 ± 0.000001266 4.98 4.7/5.822 5.16 ± 0.6105
ea19 1342 1342/1342 1342 ± 0 5.634 5.388/6.682 5.975 ± 0.6747
ea20 1342 1342/1342 1342 ± 0.000001761 5.888 5.745/6.976 6.112 ± 0.8505
ea21 1342 1342/1342 1342 ± 0.000003465 5.403 5.263/6.267 5.728 ± 0.6577
ea22 1342 1342/1342 1342 ± 0.00004087 5.282 5.066/6.366 5.605 ± 0.7396
ea23 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea25 1342 1342/1342 1342 ± 0 5.294 5.258/5.433 5.32 ± 0.1886
ea26 1342 1342/1342 1342 ± 0.00002325 5.571 5.353/6.456 5.841 ± 0.734
ea27 1342 1342/1342 1342 ± 0.00004092 5.472 5.109/6.546 5.74 ± 0.6917
ea28 1342 1342/1342 1342 ± 0.00005286 6.564 5.938/7.089 6.363 ± 0.7676
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 ± 0.00002663 5.39 5.214/5.657 5.344 ± 0.4886
3 1342 1342/1342 1342 ± 0.00002663 5.503 5.198/5.669 5.372 ± 0.5509
4 1342 1342/1342 1342 ± 0.0000415 5.191 5.072/5.306 5.068 ± 0.5222
5 1342 1342/1342 1342 ± 0.00002663 5.287 5.183/5.531 5.228 ± 0.5477
6 1342 1342/1342 1342 ± 0.00002663 5.287 5.02/5.383 5.18 ± 0.506
7 1342 1342/1342 1342 ± 0.00002663 5.295 5.077/5.516 5.192 ± 0.4939
8 1342 1342/1342 1342 ± 0.00002663 5.279 5.008/5.367 5.127 ± 0.5136
9 1342 1342/1342 1342 ± 0.00002663 5.572 5.309/5.751 5.435 ± 0.5822
10 1342 1342/1342 1342 ± 0.00002602 6.026 5.82/6.13 5.968 ± 0.3234
11 1342 1342/1342 1342 ± 0.00002602 6.313 6.187/6.431 6.236 ± 0.3489
12 1342 1342/1342 1342 ± 0.00002602 6.535 6.221/6.657 6.424 ± 0.376
13 1342 1342/1342 1342 ± 0.00002602 6.874 6.576/7.101 6.804 ± 0.3828
14 1342 1342/1342 1342 ± 0.00002602 7.053 6.836/7.254 6.947 ± 0.4242
15 1342 1342/1342 1342 ± 0.00002602 6.752 6.576/7.011 6.707 ± 0.4684
16 1342 1342/1342 1342 ± 0.00006095 4.962 4.708/5.171 4.936 ± 0.3454
17 1342 1342/1342 1342 ± 0.00006103 4.982 4.773/5.146 4.955 ± 0.2842
statwtmode
VLASS-SE
vis
VLASS2.1.sb38482214.eb38565046.59071.1506340625_split_split.ms
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
Start time
2024-04-22 08:22:34.120
End
2024-04-22 09:08:07.845
Duration
0:45:33.725
Note, WebLog generation is not included in the time.

CASA logs for stage 7