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

Statwt Summary Plot

VLASS2.1.sb38607909.eb38640757.59103.0786646412_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 5.668 5.47/6.061 5.815 ± 0.4929
ea02 1342 1342/1342 1342 ± 0 5.99 5.711/6.641 6.207 ± 0.6667
ea04 1342 1342/1342 1342 ± 0 5.591 5.286/6.123 5.749 ± 0.5056
ea05 1342 1342/1342 1342 ± 0 6.084 5.684/6.427 6.12 ± 0.5473
ea06 1342 1342/1342 1342 ± 0 5.082 4.971/5.423 5.192 ± 0.2987
ea07 1342 1342/1342 1342 ± 0 6.18 5.76/6.411 6.246 ± 0.5315
ea08 1342 1342/1342 1342 ± 0.000007517 6.112 5.8/6.81 6.305 ± 0.671
ea09 1342 1342/1342 1342 ± 0 5.914 5.495/6.475 6.014 ± 0.6187
ea10 1342 1342/1342 1342 ± 0.00001363 6.061 5.658/6.759 6.179 ± 0.6075
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.000001222 6.068 5.661/6.648 6.236 ± 0.6423
ea13 1342 1342/1342 1342 ± 0 6.255 5.978/6.458 6.325 ± 0.4501
ea14 1342 1342/1342 1342 ± 0 6.078 5.432/6.441 6.025 ± 0.5976
ea15 1342 1342/1342 1342 ± 0 5.872 5.499/6.485 6.077 ± 0.6517
ea16 1342 1342/1342 1342 ± 0 6.265 5.89/6.861 6.446 ± 0.6631
ea17 1342 1342/1342 1342 ± 0.000004229 6.164 5.939/6.74 6.347 ± 0.5965
ea18 1342 1342/1342 1342 ± 0.000003231 5.276 4.979/5.654 5.337 ± 0.4876
ea19 1342 1342/1342 1342 ± 0 6.277 5.863/6.877 6.452 ± 0.6024
ea20 1342 1342/1342 1342 ± 0 5.193 4.95/5.563 5.281 ± 0.3867
ea21 1342 1342/1342 1342 ± 0 5.927 5.665/6.453 6.093 ± 0.5109
ea22 1342 1342/1342 1342 ± 0 5.493 5.321/6.099 5.706 ± 0.5815
ea23 1342 1342/1342 1342 ± 0 6.14 5.739/6.583 6.286 ± 0.63
ea25 1342 1342/1342 1342 ± 0.000003861 5.703 5.523/6.245 5.903 ± 0.5226
ea26 1342 1342/1342 1342 ± 0 6.34 5.996/6.926 6.483 ± 0.6695
ea27 1342 1342/1342 1342 ± 0.00004032 5.688 5.526/6.446 5.909 ± 0.5358
ea28 1342 1342/1342 1342 ± 0.00003188 5.889 5.721/6.694 6.19 ± 0.6541
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 ± 0.00002402 5.707 5.477/5.994 5.702 ± 0.3307
3 1342 1342/1342 1342 ± 0.00002453 5.382 5.201/5.727 5.435 ± 0.3672
4 1342 1342/1342 1342 ± 0.00002431 5.604 5.315/5.837 5.553 ± 0.3638
5 1342 1342/1342 1342 ± 0.00002404 5.67 5.332/5.843 5.594 ± 0.3435
6 1342 1342/1342 1342 ± 0.00002402 5.588 5.39/5.78 5.566 ± 0.3327
7 1342 1342/1342 1342 ± 0.00002402 5.607 5.429/5.796 5.583 ± 0.2865
8 1342 1342/1342 1342 ± 0.00002402 5.541 5.329/5.742 5.492 ± 0.3259
9 1342 1342/1342 1342 ± 0.00002402 5.758 5.448/6.148 5.752 ± 0.3862
10 1342 1342/1342 1342 ± 0.00002402 6.183 6.032/6.405 6.14 ± 0.3744
11 1342 1342/1342 1342 ± 0.00002402 6.417 6.207/6.589 6.337 ± 0.3867
12 1342 1342/1342 1342 ± 0.00002402 6.506 6.354/6.76 6.44 ± 0.5113
13 1342 1342/1342 1342 ± 0.00002402 7.079 6.699/7.303 6.943 ± 0.4634
14 1342 1342/1342 1342 ± 0.00002402 7.236 6.914/7.52 7.144 ± 0.5105
15 1342 1342/1342 1342 ± 0.00002402 6.921 6.657/7.122 6.779 ± 0.5144
16 1342 1342/1342 1342 ± 0.0000386 6.057 5.649/6.392 6.043 ± 0.4498
17 1342 1342/1342 1342 ± 0.00003768 6.142 5.66/6.404 6.053 ± 0.4448
vis
VLASS2.1.sb38607909.eb38640757.59103.0786646412_split_split.ms
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2024-12-31 02:26:59.803
End
2024-12-31 03:15:32.812
Duration
0:48:33.009
Note, WebLog generation is not included in the time.

CASA logs for stage 8