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

Statwt Summary Plot

VLASS2.1.sb38545507.eb38638815.59102.13461381945_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 5.509 5.371/5.827 5.653 ± 0.3764
ea02 1342 1342/1342 1342 ± 0.000006698 5.716 5.399/6.257 5.858 ± 0.492
ea04 1342 1342/1342 1342 ± 0.000003999 5.599 5.283/6.058 5.721 ± 0.4958
ea05 1342 1342/1342 1342 ± 0.000001206 5.383 5.115/5.69 5.437 ± 0.4022
ea06 1342 1342/1342 1342 ± 0.000004367 4.877 4.775/5.253 4.989 ± 0.2938
ea07 1342 1342/1342 1342 ± 0.000005816 5.615 5.287/5.883 5.625 ± 0.4181
ea08 1342 1342/1342 1342 ± 0.000006599 5.606 5.335/6.092 5.701 ± 0.4419
ea09 1342 1342/1342 1342 ± 0.000004667 5.173 4.986/5.566 5.287 ± 0.3831
ea10 1342 1342/1342 1342 ± 0.00002521 5.258 5.007/5.873 5.377 ± 0.4328
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.000005086 5.574 5.332/5.842 5.672 ± 0.3866
ea13 1342 1342/1342 1342 ± 0.000002421 6.018 5.707/6.149 6.005 ± 0.4049
ea14 1342 1342/1342 1342 ± 0.000004511 5.378 5.182/5.916 5.524 ± 0.4441
ea15 1342 1342/1342 1342 ± 0.000003618 5.719 5.294/6.104 5.735 ± 0.5113
ea16 1342 1342/1342 1342 ± 0.000002335 5.591 5.406/5.879 5.682 ± 0.4067
ea17 1342 1342/1342 1342 ± 0.000006713 5.372 5.27/5.75 5.503 ± 0.3454
ea18 1342 1342/1342 1342 ± 0.00000539 4.638 4.484/4.864 4.694 ± 0.2546
ea19 1342 1342/1342 1342 ± 0.000001706 5.441 5.166/5.782 5.499 ± 0.3672
ea20 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea21 1342 1342/1342 1342 ± 0.000001206 5.605 5.447/6.193 5.812 ± 0.4816
ea22 1342 1342/1342 1342 ± 0.00000475 4.95 4.787/5.396 5.045 ± 0.4422
ea23 1342 1342/1342 1342 ± 0.000005254 5.833 5.71/6.535 6.169 ± 0.6269
ea25 1342 1342/1342 1342 ± 0.000006145 5.572 5.437/6.128 5.787 ± 0.5254
ea26 1342 1342/1342 1342 ± 0.000004177 5.548 5.414/6.013 5.735 ± 0.3991
ea27 1342 1342/1342 1342 ± 0.00004285 5.233 5.08/5.823 5.382 ± 0.3955
ea28 1342 1342/1342 1342 ± 0.000006814 5.772 5.525/6.484 5.967 ± 0.5874
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 5.426 5.231/5.55 5.405 ± 0.2655
3 1342 1342/1342 1342 ± 0.00002443 5.316 5.128/5.413 5.262 ± 0.3162
4 1342 1342/1342 1342 ± 0.00004077 5.209 4.667/5.321 5.062 ± 0.3362
5 1342 1342/1342 1342 ± 0.0000244 5.314 4.997/5.473 5.272 ± 0.321
6 1342 1342/1342 1342 ± 0.0000244 5.199 5.071/5.415 5.211 ± 0.2754
7 1342 1342/1342 1342 ± 0.0000244 5.298 5.127/5.403 5.244 ± 0.281
8 1342 1342/1342 1342 ± 0.0000244 5.249 4.99/5.377 5.179 ± 0.3124
9 1342 1342/1342 1342 ± 0.0000244 5.411 5.202/5.644 5.4 ± 0.3508
10 1342 1342/1342 1342 ± 0.0000244 5.744 5.504/6.049 5.719 ± 0.3591
11 1342 1342/1342 1342 ± 0.0000244 5.908 5.772/6.143 5.902 ± 0.3559
12 1342 1342/1342 1342 ± 0.0000244 6.048 5.876/6.165 5.937 ± 0.5078
13 1342 1342/1342 1342 ± 0.0000244 6.304 6.012/6.572 6.275 ± 0.4594
14 1342 1342/1342 1342 ± 0.0000253 6.592 6.234/6.85 6.523 ± 0.5148
15 1342 1342/1342 1342 ± 0.00003101 5.801 5.388/6.069 5.726 ± 0.4074
16 1342 1342/1342 1342 ± 0.00003373 5.491 5.138/5.678 5.42 ± 0.3574
17 1342 1342/1342 1342 ± 0.00003819 5.379 5.142/5.587 5.365 ± 0.3636
vis
VLASS2.1.sb38545507.eb38638815.59102.13461381945_split_split.ms
output_dir
 
overwrite_modelcol
False
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2024-12-03 06:40:18.208
End
2024-12-03 07:28:31.613
Duration
0:48:13.405
Note, WebLog generation is not included in the time.

CASA logs for stage 8