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

Statwt Summary Plot

VLASS2.1.sb38471682.eb38515236.59049.18662664352_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 5.601 5.435/6.424 5.776 ± 0.7744
ea02 1342 1342/1342 1342 ± 0.00004404 6.059 5.541/6.841 6.057 ± 0.9287
ea04 1342 1342/1342 1342 ± 0.00001681 5.566 5.246/6.19 5.687 ± 0.7298
ea05 1342 1342/1342 1342 ± 0.00001958 5.612 5.188/6.62 5.833 ± 0.7994
ea06 1342 1342/1342 1342 ± 0.00003513 5.582 4.784/5.869 5.277 ± 0.7308
ea07 1342 1342/1342 1342 ± 0.00004028 5.861 5.513/6.4 5.946 ± 0.8363
ea09 1342 1342/1342 1342 ± 0.00002411 5.502 4.992/5.874 5.414 ± 0.6428
ea10 1342 1342/1342 1342 ± 0.00003985 5.305 4.91/6.108 5.422 ± 0.7044
ea11 1342 1342/1342 1342 ± 0.00004245 6.04 5.621/6.776 6.072 ± 0.964
ea12 1342 1342/1342 1342 ± 0.00003969 5.76 5.491/6.744 5.979 ± 0.9694
ea13 1342 1342/1342 1342 ± 0.00001612 5.848 5.712/6.434 6.02 ± 0.7553
ea14 1342 1342/1342 1342 ± 0.00003824 5.675 5.481/6.745 5.998 ± 0.9343
ea15 1342 1342/1342 1342 ± 0.00002419 5.779 5.52/6.618 5.924 ± 0.9215
ea16 1342 1342/1342 1342 ± 0.00003279 5.976 5.403/6.874 6.058 ± 1.013
ea17 1342 1342/1342 1342 ± 0.00004438 5.947 5.488/7.204 6.128 ± 1.027
ea18 1342 1342/1342 1342 ± 0.00004002 5.12 5.056/6.018 5.378 ± 0.6684
ea19 1342 1342/1342 1342 ± 0.00001022 5.79 5.603/6.795 6.102 ± 0.8635
ea20 1342 1342/1342 1342 ± 0.00004191 6.141 5.999/7.179 6.394 ± 1.051
ea21 1342 1342/1342 1342 ± 0.00003391 5.654 5.31/6.455 5.798 ± 0.8359
ea22 1342 1342/1342 1342 ± 0.00004077 6.226 4.964/6.571 5.895 ± 0.9293
ea23 1342 1342/1342 1342 ± 0.00004369 5.908 5.555/6.858 6.071 ± 0.9875
ea24 1342 1342/1342 1342 ± 0.00001603 5.233 4.909/6.266 5.51 ± 0.7293
ea25 1342 1342/1342 1342 ± 0.00004399 5.811 5.433/6.548 5.839 ± 0.8973
ea26 1342 1342/1342 1342 ± 0.00002345 5.938 5.627/7.004 6.154 ± 0.9455
ea27 1342 1342/1342 1342 ± 0.0000433 5.837 5.522/6.789 5.97 ± 0.8886
ea28 1342 1342/1342 1342 ± 0.00004376 5.773 5.617/6.832 6.066 ± 0.9345
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 5.514 5.317/5.68 5.439 ± 0.3285
3 1342 1342/1342 1342 ± 0.00003503 5.334 4.924/5.553 5.258 ± 0.3556
6 1342 1342/1342 1342 ± 0.00002378 5.513 5.209/5.61 5.425 ± 0.2905
7 1342 1342/1342 1342 ± 0.00002407 5.547 5.349/5.633 5.486 ± 0.2815
8 1342 1342/1342 1342 ± 0.00002407 5.465 5.236/5.599 5.444 ± 0.3095
9 1342 1342/1342 1342 ± 0.0000268 5.781 5.456/5.899 5.679 ± 0.2975
10 1342 1342/1342 1342 ± 0.00002351 6.297 5.982/6.358 6.199 ± 0.31
11 1342 1342/1342 1342 ± 0.00002351 6.497 6.185/6.682 6.452 ± 0.331
12 1342 1342/1342 1342 ± 0.00002351 6.623 6.385/6.857 6.61 ± 0.3771
13 1342 1342/1342 1342 ± 0.00002351 7.042 6.809/7.343 6.993 ± 0.4286
14 1342 1342/1342 1342 ± 0.00002351 7.236 6.942/7.447 7.107 ± 0.457
15 1342 1342/1342 1342 ± 0.00002372 6.656 6.333/6.881 6.574 ± 0.4242
16 1342 1342/1342 1342 ± 0.00005662 4.41 4.29/4.529 4.411 ± 0.1732
17 1342 1342/1342 1342 ± 0.00005973 4.386 4.238/4.624 4.421 ± 0.2699
vis
VLASS2.1.sb38471682.eb38515236.59049.18662664352_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
Start time
2024-04-20 20:05:55.253
End
2024-04-20 21:13:47.373
Duration
1:07:52.120
Note, WebLog generation is not included in the time.

CASA logs for stage 7