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

Statwt Summary Plot

VLASS2.1.sb38610195.eb38638028.59101.102248043986_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 5.752 5.444/6.25 5.874 ± 0.6352
ea02 1342 1342/1342 1342 ± 0 5.945 5.538/6.641 6.162 ± 0.7274
ea04 1342 1342/1342 1342 ± 0 5.665 5.164/6.277 5.784 ± 0.6185
ea05 1342 1342/1342 1342 ± 0 6.011 5.395/6.521 5.93 ± 0.6402
ea06 1342 1342/1342 1342 ± 0 4.942 4.769/5.312 5.027 ± 0.3623
ea07 1342 1342/1342 1342 ± 0 6.283 5.614/6.469 6.225 ± 0.6269
ea08 1342 1342/1342 1342 ± 0.000002139 5.967 5.687/6.772 6.241 ± 0.7251
ea09 1342 1342/1342 1342 ± 0 5.858 5.341/6.452 5.967 ± 0.6799
ea10 1342 1342/1342 1342 ± 0 6.145 5.425/6.689 6.115 ± 0.7116
ea11 1342 1342/1342 1342 ± 0 6.118 5.32/6.567 6.047 ± 0.7285
ea12 1342 1342/1342 1342 ± 0 5.825 5.484/6.608 6.134 ± 0.7181
ea13 1342 1342/1342 1342 ± 0 6.528 5.973/6.639 6.411 ± 0.5496
ea14 1342 1342/1342 1342 ± 0 6.1 5.389/6.607 6.07 ± 0.7243
ea15 1342 1342/1342 1342 ± 0 5.878 5.225/6.443 5.939 ± 0.7324
ea16 1342 1342/1342 1342 ± 0 6.35 5.813/7.042 6.505 ± 0.788
ea17 1342 1342/1342 1342 ± 0 6.11 5.755/6.746 6.305 ± 0.7107
ea18 1342 1342/1342 1342 ± 0 5.223 4.81/5.693 5.3 ± 0.5478
ea19 1342 1342/1342 1342 ± 0 6.413 5.734/6.984 6.46 ± 0.7305
ea20 1342 1342/1342 1342 ± 0 6.488 5.871/7.069 6.477 ± 0.6704
ea21 1342 1342/1342 1342 ± 0 6.057 5.516/6.5 6.063 ± 0.6061
ea22 1342 1342/1342 1342 ± 0 5.511 5.308/6.246 5.822 ± 0.6758
ea23 1342 1342/1342 1342 ± 0 6.307 5.61/6.75 6.304 ± 0.7344
ea25 1342 1342/1342 1342 ± 0 5.605 5.282/6.305 5.817 ± 0.6103
ea26 1342 1342/1342 1342 ± 0 6.452 5.799/7.113 6.442 ± 0.7004
ea27 1342 1342/1342 1342 ± 0.0000196 5.86 5.434/6.582 5.936 ± 0.6622
ea28 1342 1342/1342 1342 ± 0.00003043 5.807 5.52/6.58 6.057 ± 0.703
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 ± 0.00002348 5.48 5.303/5.779 5.509 ± 0.2875
3 1342 1342/1342 1342 ± 0.00003837 5.124 4.993/5.234 5.101 ± 0.2135
4 1342 1342/1342 1342 ± 0.00002436 5.446 5.145/5.607 5.361 ± 0.3471
5 1342 1342/1342 1342 ± 0.00002348 5.485 5.241/5.674 5.468 ± 0.3485
6 1342 1342/1342 1342 ± 0.00002348 5.443 5.226/5.597 5.416 ± 0.3144
7 1342 1342/1342 1342 ± 0.00002348 5.482 5.312/5.645 5.469 ± 0.2862
8 1342 1342/1342 1342 ± 0.00002348 5.508 5.194/5.625 5.429 ± 0.3157
9 1342 1342/1342 1342 ± 0.00002348 5.755 5.509/6.007 5.714 ± 0.3517
10 1342 1342/1342 1342 ± 0.00002348 6.193 6.011/6.412 6.149 ± 0.3414
11 1342 1342/1342 1342 ± 0.00002348 6.431 6.283/6.6 6.383 ± 0.354
12 1342 1342/1342 1342 ± 0.00002392 6.57 6.314/6.788 6.499 ± 0.4973
13 1342 1342/1342 1342 ± 0.00002348 7.085 6.929/7.255 7.068 ± 0.432
14 1342 1342/1342 1342 ± 0.00002348 7.377 7.09/7.642 7.301 ± 0.4708
15 1342 1342/1342 1342 ± 0.00002351 6.999 6.778/7.254 6.914 ± 0.4804
16 1342 1342/1342 1342 ± 0.00002941 6.255 5.901/6.562 6.221 ± 0.4427
17 1342 1342/1342 1342 ± 0.00003144 6.259 5.962/6.498 6.201 ± 0.4243
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38610195.eb38638028.59101.102248043986_split_split.ms
datacolumn
residual_data
Start time
2025-01-08 11:13:42.885
End
2025-01-08 12:28:37.016
Duration
1:14:54.131
Note, WebLog generation is not included in the time.

CASA logs for stage 8