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

Statwt Summary Plot

VLASS2.1.sb38520431.eb38554942.59063.924480127316_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 5.487 5.361/5.931 5.692 ± 0.4851
ea02 1342 1342/1342 1342 ± 0.00001086 5.847 5.361/6.394 5.88 ± 0.589
ea04 1342 1342/1342 1342 ± 0 5.603 5.3/6.135 5.725 ± 0.5047
ea05 1342 1342/1342 1342 ± 0 5.918 5.43/6.236 5.869 ± 0.5248
ea06 1342 1342/1342 1342 ± 0 3.219 3.111/3.512 3.268 ± 0.1898
ea07 1342 1342/1342 1342 ± 0 5.468 5.415/5.749 5.565 ± 0.1903
ea08 1342 1342/1342 1342 ± 0.00002296 5.861 5.572/6.626 6.061 ± 0.6425
ea09 1342 1342/1342 1342 ± 0 5.037 4.842/5.56 5.193 ± 0.4295
ea10 1342 1342/1342 1342 ± 0 5.616 5.302/6.326 5.763 ± 0.5681
ea11 1342 1342/1342 1342 ± 0.000002725 5.773 5.481/6.41 5.961 ± 0.5428
ea12 1342 1342/1342 1342 ± 0 6.021 5.488/6.448 6.022 ± 0.5368
ea13 1342 1342/1342 1342 ± 0 5.926 5.744/6.28 6.065 ± 0.4292
ea14 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea15 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea16 1342 1342/1342 1342 ± 0 5.184 5.017/5.342 5.207 ± 0.3121
ea17 1342 1342/1342 1342 ± 0.00001788 6.062 5.689/6.528 6.167 ± 0.5848
ea18 1342 1342/1342 1342 ± 0 5.239 4.912/5.693 5.302 ± 0.4257
ea19 1342 1342/1342 1342 ± 0 6.57 6.244/6.831 6.576 ± 0.3349
ea21 1342 1342/1342 1342 ± 0 5.827 5.521/6.349 5.944 ± 0.503
ea22 1342 1342/1342 1342 ± 0.000003719 5.286 5.122/6.123 5.558 ± 0.5919
ea23 1342 1342/1342 1342 ± 0 6.041 5.538/6.519 6.08 ± 0.6047
ea25 1342 1342/1342 1342 ± 0.000007572 5.449 5.376/5.572 5.447 ± 0.1729
ea26 1342 1342/1342 1342 ± 0 5.831 5.692/6.694 6.089 ± 0.5641
ea27 1342 1342/1342 1342 ± 0.0000165 5.529 5.328/6.274 5.748 ± 0.5241
ea28 1342 1342/1342 1342 ± 0.00003146 5.704 5.513/6.422 5.906 ± 0.6155
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 ± 0.00002601 5.508 5.334/5.72 5.461 ± 0.2984
3 1342 1342/1342 1342 ± 0.0000351 5.213 4.996/5.534 5.272 ± 0.3548
4 1342 1342/1342 1342 ± 0.00002601 5.329 5.081/5.49 5.262 ± 0.296
5 1342 1342/1342 1342 ± 0.00002601 5.525 5.312/5.651 5.488 ± 0.2658
6 1342 1342/1342 1342 ± 0.00002601 5.414 5.2/5.478 5.362 ± 0.2487
7 1342 1342/1342 1342 ± 0.00002601 5.434 5.315/5.543 5.407 ± 0.2375
8 1342 1342/1342 1342 ± 0.00002601 5.434 5.172/5.526 5.366 ± 0.2819
9 1342 1342/1342 1342 ± 0.00002601 5.716 5.342/5.861 5.614 ± 0.3338
10 1342 1342/1342 1342 ± 0.00002601 6.036 5.834/6.168 5.848 ± 0.6232
11 1342 1342/1342 1342 ± 0.00002601 6.285 5.981/6.408 6.025 ± 0.74
12 1342 1342/1342 1342 ± 0.00002601 6.389 6.042/6.52 6.172 ± 0.7444
13 1342 1342/1342 1342 ± 0.00002601 6.761 6.458/6.973 6.525 ± 0.7936
14 1342 1342/1342 1342 ± 0.00002601 6.878 6.644/7.094 6.659 ± 0.8194
15 1342 1342/1342 1342 ± 0.00002601 6.463 6.205/6.632 6.214 ± 0.7944
16 1342 1342/1342 1342 ± 0.00003947 5.651 5.33/5.977 5.532 ± 0.687
17 1342 1342/1342 1342 ± 0.00003428 5.638 5.365/6.069 5.57 ± 0.6575
vis
VLASS2.1.sb38520431.eb38554942.59063.924480127316_split_split.ms
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
Start time
2024-03-29 09:28:29.292
End
2024-03-29 10:31:44.955
Duration
1:03:15.663
Note, WebLog generation is not included in the time.

CASA logs for stage 7