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

Statwt Summary Plot

VLASS2.1.sb38464181.eb38625161.59091.97021673611_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 5.326 5.222/6.024 5.575 ± 0.6556
ea02 1342 1342/1342 1342 ± 0.000033 5.895 5.369/6.548 5.958 ± 0.8132
ea04 1342 1342/1342 1342 ± 0.00003186 5.149 4.902/5.768 5.26 ± 0.6246
ea05 1342 1342/1342 1342 ± 0.00000497 5.383 5.018/6.156 5.572 ± 0.7577
ea06 1342 1342/1342 1342 ± 0 4.734 4.648/5.215 4.923 ± 0.4302
ea07 1342 1342/1342 1342 ± 0.000033 5.865 5.399/6.223 5.884 ± 0.7559
ea08 1342 1342/1342 1342 ± 0 6.514 5.56/6.911 6.269 ± 0.6461
ea10 1342 1342/1342 1342 ± 0.000033 5.744 5.262/6.551 5.842 ± 0.7962
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00001681 5.456 5.304/6.382 5.689 ± 0.8378
ea13 1342 1342/1342 1342 ± 0.000005501 5.804 5.583/6.255 5.88 ± 0.703
ea14 1342 1342/1342 1342 ± 0.000009279 5.521 5.161/6.331 5.659 ± 0.7889
ea15 1342 1342/1342 1342 ± 0.00002741 5.158 4.983/6.012 5.414 ± 0.7525
ea16 1342 1342/1342 1342 ± 0.000007736 5.934 5.489/6.701 5.966 ± 0.9149
ea17 1342 1342/1342 1342 ± 0.000033 5.777 5.392/6.758 5.94 ± 0.7978
ea18 1342 1342/1342 1342 ± 0 5.044 4.734/5.585 5.143 ± 0.508
ea19 1342 1342/1342 1342 ± 0 5.756 5.52/6.499 6.007 ± 0.7435
ea20 1342 1342/1342 1342 ± 0.00001347 5.804 5.568/6.662 5.947 ± 0.8985
ea21 1342 1342/1342 1342 ± 0.00001166 5.521 5.323/6.202 5.715 ± 0.7113
ea22 1342 1342/1342 1342 ± 0.00002728 5.486 5.212/6.5 5.797 ± 0.7492
ea23 1342 1342/1342 1342 ± 0.0000329 5.813 5.448/6.487 5.935 ± 0.8186
ea25 1342 1342/1342 1342 ± 0.000033 5.367 5.044/6.126 5.542 ± 0.7537
ea26 1342 1342/1342 1342 ± 0.00001697 5.792 5.695/6.776 6.166 ± 0.7574
ea27 1342 1342/1342 1342 ± 0.00003319 5.489 5.137/6.335 5.688 ± 0.7311
ea28 1342 1342/1342 1342 ± 0.000001439 5.957 5.399/6.729 6.032 ± 0.6319
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 ± 0.0000244 5.234 5.029/5.562 5.276 ± 0.2993
5 1342 1342/1342 1342 ± 0.00002439 5.4 5.168/5.52 5.312 ± 0.3781
6 1342 1342/1342 1342 ± 0.0000244 5.349 5.129/5.511 5.309 ± 0.3093
7 1342 1342/1342 1342 ± 0.0000244 5.322 5.198/5.47 5.299 ± 0.2769
8 1342 1342/1342 1342 ± 0.0000244 5.319 5.047/5.474 5.24 ± 0.2995
9 1342 1342/1342 1342 ± 0.0000244 5.546 5.368/5.799 5.517 ± 0.3373
10 1342 1342/1342 1342 ± 0.0000244 5.96 5.809/6.163 5.932 ± 0.3475
11 1342 1342/1342 1342 ± 0.0000244 6.25 6.046/6.386 6.161 ± 0.3611
12 1342 1342/1342 1342 ± 0.0000244 6.369 6.181/6.545 6.316 ± 0.3771
13 1342 1342/1342 1342 ± 0.0000244 6.732 6.602/6.962 6.71 ± 0.3948
14 1342 1342/1342 1342 ± 0.0000244 7.036 6.727/7.182 6.9 ± 0.4418
15 1342 1342/1342 1342 ± 0.00002457 6.549 6.242/6.723 6.44 ± 0.4581
16 1342 1342/1342 1342 ± 0.0000538 4.367 4.232/4.509 4.368 ± 0.1766
17 1342 1342/1342 1342 ± 0.00006061 4.273 4.153/4.452 4.308 ± 0.1944
datacolumn
residual_data
vis
VLASS2.1.sb38464181.eb38625161.59091.97021673611_split_split.ms
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2024-12-21 05:08:22.689
End
2024-12-21 05:53:11.275
Duration
0:44:48.586
Note, WebLog generation is not included in the time.

CASA logs for stage 8