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

Statwt Summary Plot

VLASS2.1.sb38617404.eb38633387.59098.857396747684_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 5.363 5.084/5.775 5.493 ± 0.5155
ea02 1342 1342/1342 1342 ± 0.000001066 5.563 5.263/6.28 5.799 ± 0.6619
ea04 1342 1342/1342 1342 ± 0.000002383 5.172 4.755/5.584 5.239 ± 0.4983
ea05 1342 1342/1342 1342 ± 0 5.655 5.059/6.078 5.531 ± 0.5442
ea06 1342 1342/1342 1342 ± 0 5.024 4.638/5.539 5.121 ± 0.5093
ea07 1342 1342/1342 1342 ± 0 5.655 5.298/5.939 5.73 ± 0.5392
ea08 1342 1342/1342 1342 ± 0.000004265 5.497 5.348/6.332 5.837 ± 0.6371
ea09 1342 1342/1342 1342 ± 0 5.606 5.063/6.265 5.632 ± 0.6019
ea10 1342 1342/1342 1342 ± 0.00002482 5.609 5.073/6.278 5.688 ± 0.6443
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.618 5.163/6.099 5.699 ± 0.6059
ea13 1342 1342/1342 1342 ± 0 5.985 5.656/6.263 6.029 ± 0.4772
ea14 1342 1342/1342 1342 ± 0 5.58 5.107/6.106 5.654 ± 0.6258
ea15 1342 1342/1342 1342 ± 0 5.384 4.915/5.959 5.529 ± 0.6272
ea16 1342 1342/1342 1342 ± 0 6.002 5.442/6.5 6.059 ± 0.6806
ea17 1342 1342/1342 1342 ± 0.00000369 5.685 5.349/6.233 5.834 ± 0.6055
ea18 1342 1342/1342 1342 ± 0.000006386 4.795 4.489/5.205 4.888 ± 0.4849
ea19 1342 1342/1342 1342 ± 0 5.848 5.353/6.431 5.985 ± 0.6017
ea20 1342 1342/1342 1342 ± 0.000001084 6.08 5.51/6.624 5.993 ± 0.616
ea21 1342 1342/1342 1342 ± 0 5.465 5.156/5.919 5.603 ± 0.4898
ea22 1342 1342/1342 1342 ± 0 5.468 5.183/6.178 5.666 ± 0.6136
ea23 1342 1342/1342 1342 ± 0 5.785 5.335/6.15 5.841 ± 0.6219
ea25 1342 1342/1342 1342 ± 0.000004642 5.258 5.057/5.847 5.456 ± 0.5529
ea26 1342 1342/1342 1342 ± 0 5.891 5.526/6.486 6.012 ± 0.6733
ea27 1342 1342/1342 1342 ± 0.00004038 5.324 5.075/6.085 5.502 ± 0.5937
ea28 1342 1342/1342 1342 ± 0.00002453 5.439 5.175/6.151 5.661 ± 0.6225
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 ± 0.00002393 5.236 5.101/5.559 5.277 ± 0.2704
3 1342 1342/1342 1342 ± 0.00002498 5.029 4.824/5.342 5.06 ± 0.3471
4 1342 1342/1342 1342 ± 0.00002471 5.158 4.846/5.329 5.098 ± 0.3186
5 1342 1342/1342 1342 ± 0.00002393 5.084 4.857/5.275 5.093 ± 0.3281
6 1342 1342/1342 1342 ± 0.00002393 5.083 4.971/5.323 5.097 ± 0.2886
7 1342 1342/1342 1342 ± 0.00002393 5.139 5.046/5.286 5.157 ± 0.2585
8 1342 1342/1342 1342 ± 0.00002393 5.155 4.911/5.32 5.099 ± 0.2796
9 1342 1342/1342 1342 ± 0.00002393 5.402 5.231/5.663 5.389 ± 0.3138
10 1342 1342/1342 1342 ± 0.00002393 5.811 5.664/6.006 5.803 ± 0.3069
11 1342 1342/1342 1342 ± 0.00002393 6.08 5.863/6.178 5.996 ± 0.3082
12 1342 1342/1342 1342 ± 0.00002393 6.162 5.943/6.351 6.145 ± 0.3414
13 1342 1342/1342 1342 ± 0.00002393 6.61 6.447/6.716 6.562 ± 0.3412
14 1342 1342/1342 1342 ± 0.00002393 6.798 6.526/7.051 6.751 ± 0.3695
15 1342 1342/1342 1342 ± 0.00002393 6.551 6.23/6.705 6.457 ± 0.377
16 1342 1342/1342 1342 ± 0.00003761 5.72 5.444/6.012 5.753 ± 0.3505
17 1342 1342/1342 1342 ± 0.00003811 5.721 5.517/5.976 5.749 ± 0.3313
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38617404.eb38633387.59098.857396747684_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2024-12-31 06:58:33.375
End
2024-12-31 08:07:31.789
Duration
1:08:58.414
Note, WebLog generation is not included in the time.

CASA logs for stage 8