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

Statwt Summary Plot

VLASS2.1.sb38726305.eb38809014.59142.09063322916_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 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea02 1342 1342/1342 1342 ± 0 5.721 5.223/6.525 5.713 ± 0.9721
ea03 1342 1342/1342 1342 ± 0.00003349 4.972 4.613/6.041 5.266 ± 0.7705
ea04 1342 1342/1342 1342 ± 0.0000219 5.209 4.938/6.053 5.376 ± 0.7631
ea05 1342 1342/1342 1342 ± 0 4.863 4.505/5.56 5.033 ± 0.6013
ea06 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea07 1342 1342/1342 1342 ± 0.00003668 5.687 5.241/6.198 5.557 ± 0.8594
ea08 1342 1342/1342 1342 ± 0.00004252 5.879 5.419/6.684 5.865 ± 1.028
ea09 1342 1342/1342 1342 ± 0.00004263 5.511 5.044/6.44 5.559 ± 0.8688
ea10 1342 1342/1342 1342 ± 0.00004239 5.753 5.132/6.38 5.607 ± 0.9294
ea11 1342 1342/1342 1342 ± 0.00004233 5.66 5.002/6.421 5.548 ± 0.9305
ea12 1342 1342/1342 1342 ± 0.00001892 5.37 5.101/6.396 5.557 ± 0.9024
ea13 1342 1342/1342 1342 ± 0.0000223 5.63 5.524/6.311 5.829 ± 0.8235
ea14 1342 1342/1342 1342 ± 0.00002427 5.483 5.023/6.426 5.545 ± 0.8497
ea15 1342 1342/1342 1342 ± 0 2.192 2.122/2.511 2.33 ± 0.2914
ea16 1342 1342/1342 1342 ± 0.00001403 5.695 5.356/6.708 5.804 ± 0.9736
ea17 1342 1342/1342 1342 ± 0.00004248 5.994 5.462/6.75 5.953 ± 1.014
ea18 1342 1342/1342 1342 ± 0.00004212 4.75 4.429/5.429 4.786 ± 0.6309
ea19 1342 1342/1342 1342 ± 0.00001349 5.368 5.103/6.339 5.587 ± 0.7739
ea20 1342 1342/1342 1342 ± 0.00003123 5.667 5.401/6.881 5.862 ± 0.9831
ea21 1342 1342/1342 1342 ± 0 5.382 5.214/6.39 5.575 ± 0.8118
ea23 1342 1342/1342 1342 ± 0.00001459 5.582 5.316/6.627 5.717 ± 0.9393
ea24 1342 1342/1342 1342 ± 0.00004323 5.44 5.194/6.485 5.6 ± 0.8709
ea25 1342 1342/1342 1342 ± 0.00004237 5.398 5.12/6.123 5.417 ± 0.8413
ea26 1342 1342/1342 1342 ± 0.00004059 5.599 5.366/6.821 5.889 ± 0.9393
ea27 1342 1342/1342 1342 ± 0.00004263 5.284 5.019/6.296 5.45 ± 0.8541
ea28 1342 1342/1342 1342 ± 0.00004226 5.258 5.003/6.189 5.388 ± 0.8462
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 ± 0.00002405 5.277 5.062/5.483 5.161 ± 0.6548
5 1342 1342/1342 1342 ± 0.00002539 5.173 4.94/5.383 5.073 ± 0.5926
6 1342 1342/1342 1342 ± 0.00002405 5.167 4.987/5.37 5.034 ± 0.6582
7 1342 1342/1342 1342 ± 0.00002405 5.193 5.116/5.422 5.09 ± 0.667
8 1342 1342/1342 1342 ± 0.00002405 5.217 5.048/5.356 5.068 ± 0.6759
9 1342 1342/1342 1342 ± 0.00002405 5.488 5.223/5.693 5.313 ± 0.7258
10 1342 1342/1342 1342 ± 0.00002405 6.004 5.701/6.108 5.755 ± 0.7875
11 1342 1342/1342 1342 ± 0.00002405 6.284 6.037/6.362 6.045 ± 0.7968
12 1342 1342/1342 1342 ± 0.00002405 6.433 6.2/6.602 6.263 ± 0.8342
13 1342 1342/1342 1342 ± 0.00002405 6.664 6.438/6.889 6.495 ± 0.8117
14 1342 1342/1342 1342 ± 0.00002405 6.588 6.227/6.852 6.435 ± 0.8445
15 1342 1342/1342 1342 ± 0.00002405 6.634 6.376/6.96 6.472 ± 0.9195
16 1342 1342/1342 1342 ± 0.00005958 3.945 3.777/4.112 3.891 ± 0.4228
17 1342 1342/1342 1342 ± 0.00006074 4.062 3.882/4.251 4.002 ± 0.4446
datacolumn
residual_data
vis
VLASS2.1.sb38726305.eb38809014.59142.09063322916_split_split.ms
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-01-11 10:35:01.743
End
2025-01-11 11:23:52.823
Duration
0:48:51.080
Note, WebLog generation is not included in the time.

CASA logs for stage 8