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

Statwt Summary Plot

VLASS2.1.sb38602933.eb38631109.59096.27884142361_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 5.416 5.283/6.028 5.498 ± 0.7669
ea02 1342 1342/1342 1342 ± 0.00004199 6.05 5.517/6.768 5.956 ± 0.9742
ea04 1342 1342/1342 1342 ± 0 5.38 5.094/6.053 5.431 ± 0.8372
ea05 1342 1342/1342 1342 ± 0.000007658 5.585 5.103/6.292 5.659 ± 0.7648
ea06 1342 1342/1342 1342 ± 0.00000306 4.846 4.744/5.307 4.808 ± 0.6728
ea07 1342 1342/1342 1342 ± 0.00004272 5.941 5.362/6.376 5.764 ± 0.8655
ea08 1342 1342/1342 1342 ± 0.00004272 6.175 5.69/6.873 6.07 ± 0.9965
ea09 1342 1342/1342 1342 ± 0.00001321 5.609 5.182/6.558 5.737 ± 0.8129
ea10 1342 1342/1342 1342 ± 0.00004397 6.01 5.367/6.708 5.826 ± 0.9468
ea11 1342 1342/1342 1342 ± 0.00004344 5.934 5.299/6.624 5.743 ± 0.9953
ea12 1342 1342/1342 1342 ± 0.000005201 5.869 5.486/6.674 5.807 ± 1.143
ea13 1342 1342/1342 1342 ± 0.00001548 5.961 5.732/6.515 6.055 ± 0.7703
ea14 1342 1342/1342 1342 ± 0.000003575 5.577 5.157/6.412 5.65 ± 0.7866
ea15 1342 1342/1342 1342 ± 0 5.415 5.088/6.353 5.607 ± 0.9154
ea16 1342 1342/1342 1342 ± 0.00001695 6.007 5.533/6.917 5.975 ± 0.9439
ea17 1342 1342/1342 1342 ± 0.00004366 5.896 5.555/6.742 5.904 ± 0.9809
ea18 1342 1342/1342 1342 ± 0.00003707 5.023 4.524/5.768 4.999 ± 0.7514
ea19 1342 1342/1342 1342 ± 0 5.789 5.573/6.852 6.006 ± 0.8082
ea20 1342 1342/1342 1342 ± 0.00001813 5.972 5.834/7.004 6.049 ± 1.167
ea21 1342 1342/1342 1342 ± 0.00001228 5.567 5.413/6.32 5.629 ± 0.7877
ea22 1342 1342/1342 1342 ± 0.00003401 5.381 5.163/6.43 5.622 ± 0.8162
ea23 1342 1342/1342 1342 ± 0.0000359 5.767 5.526/6.447 5.81 ± 0.8658
ea25 1342 1342/1342 1342 ± 0.00004272 5.525 5.297/6.382 5.569 ± 0.8611
ea26 1342 1342/1342 1342 ± 0.00002506 5.986 5.81/7.051 6.195 ± 0.8987
ea27 1342 1342/1342 1342 ± 0.00004373 5.57 5.182/6.51 5.62 ± 0.8909
ea28 1342 1342/1342 1342 ± 0.00004285 5.702 5.456/6.627 5.808 ± 0.919
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 ± 0.00002351 5.489 5.33/5.8 5.524 ± 0.2802
5 1342 1342/1342 1342 ± 0.00002351 5.502 5.215/5.666 5.453 ± 0.3621
6 1342 1342/1342 1342 ± 0.0000253 5.322 5.08/5.456 5.28 ± 0.2894
7 1342 1342/1342 1342 ± 0.00002351 5.444 5.3/5.63 5.446 ± 0.2785
8 1342 1342/1342 1342 ± 0.00002351 5.448 5.229/5.582 5.387 ± 0.2964
9 1342 1342/1342 1342 ± 0.00002351 5.667 5.452/5.981 5.68 ± 0.3494
10 1342 1342/1342 1342 ± 0.00002351 6.115 5.89/6.3 6.083 ± 0.3389
11 1342 1342/1342 1342 ± 0.00002351 6.417 6.255/6.538 6.363 ± 0.3461
12 1342 1342/1342 1342 ± 0.00002351 6.629 6.41/6.805 6.565 ± 0.3866
13 1342 1342/1342 1342 ± 0.00002351 6.901 6.651/7.098 6.835 ± 0.4041
14 1342 1342/1342 1342 ± 0.00002597 6.725 6.369/7.085 6.676 ± 0.526
15 1342 1342/1342 1342 ± 0.00002422 6.733 6.46/7.02 6.659 ± 0.5126
16 1342 1342/1342 1342 ± 0.00006095 3.924 3.747/4.202 3.978 ± 0.3475
17 1342 1342/1342 1342 ± 0.00006087 4.13 3.965/4.314 4.123 ± 0.3315
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS2.1.sb38602933.eb38631109.59096.27884142361_split_split.ms
overwrite_modelcol
False
output_dir
 
Start time
2024-11-01 19:34:32.054
End
2024-11-01 20:44:18.277
Duration
1:09:46.222
Note, WebLog generation is not included in the time.

CASA logs for stage 8