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

Statwt Summary Plot

VLASS2.1.sb38667356.eb38705720.59131.46099141204_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 5.575 5.498/6.306 5.892 ± 0.6058
ea02 1342 1342/1342 1342 ± 0.0000415 6.305 5.677/6.784 6.294 ± 0.643
ea03 1342 1342/1342 1342 ± 0 5.724 4.98/6.142 5.618 ± 0.5907
ea04 1342 1342/1342 1342 ± 0 5.593 5.185/6.172 5.669 ± 0.5532
ea05 1342 1342/1342 1342 ± 0 6.114 5.569/6.623 5.989 ± 0.6627
ea06 1342 1342/1342 1342 ± 0 4.853 4.811/4.918 4.828 ± 0.1247
ea07 1342 1342/1342 1342 ± 0 6.112 5.706/6.467 6.22 ± 0.6173
ea08 1342 1342/1342 1342 ± 0 6.205 5.751/6.89 6.321 ± 0.6753
ea09 1342 1342/1342 1342 ± 0 5.96 5.426/6.65 6.046 ± 0.7112
ea10 1342 1342/1342 1342 ± 0 6.035 5.594/6.74 6.145 ± 0.6642
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 6.051 5.478/6.47 6.052 ± 0.6996
ea13 1342 1342/1342 1342 ± 0 6.535 6.026/6.851 6.39 ± 0.6358
ea14 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea15 1342 1342/1342 1342 ± 0 6.186 5.681/6.644 6.232 ± 0.688
ea16 1342 1342/1342 1342 ± 0 6.417 5.92/6.939 6.421 ± 0.7522
ea17 1342 1342/1342 1342 ± 0 6.657 6.034/7.278 6.671 ± 0.6724
ea18 1342 1342/1342 1342 ± 0 5.216 4.843/5.665 5.268 ± 0.5349
ea19 1342 1342/1342 1342 ± 0 6.279 5.635/6.757 6.192 ± 0.6216
ea20 1342 1342/1342 1342 ± 0 6.18 5.623/6.689 6.108 ± 0.6785
ea21 1342 1342/1342 1342 ± 0 5.879 5.661/6.574 6.085 ± 0.6263
ea22 1342 1342/1342 1342 ± 0 6.134 5.489/6.439 5.993 ± 0.5779
ea23 1342 1342/1342 1342 ± 0 6.158 5.729/6.711 6.243 ± 0.6894
ea24 1342 1342/1342 1342 ± 0 6.261 5.644/6.75 6.158 ± 0.6899
ea25 1342 1342/1342 1342 ± 0 5.859 5.444/6.405 5.919 ± 0.6135
ea26 1342 1342/1342 1342 ± 0 6.61 6.013/7.223 6.568 ± 0.7304
ea27 1342 1342/1342 1342 ± 0 5.741 5.599/6.53 5.967 ± 0.6258
ea28 1342 1342/1342 1342 ± 0 5.764 5.422/6.434 5.887 ± 0.6373
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 ± 0.00002384 5.677 5.408/5.786 5.586 ± 0.3265
4 1342 1342/1342 1342 ± 0.00002589 4.927 4.681/5.109 4.892 ± 0.238
5 1342 1342/1342 1342 ± 0.00002384 5.554 5.336/5.751 5.519 ± 0.3455
6 1342 1342/1342 1342 ± 0.00002384 5.562 5.414/5.747 5.523 ± 0.3399
7 1342 1342/1342 1342 ± 0.00002384 5.61 5.438/5.686 5.543 ± 0.3128
8 1342 1342/1342 1342 ± 0.00002384 5.502 5.306/5.688 5.458 ± 0.3521
9 1342 1342/1342 1342 ± 0.00002384 5.719 5.502/6.091 5.724 ± 0.3878
10 1342 1342/1342 1342 ± 0.0000243 6.268 6.061/6.447 6.215 ± 0.3399
11 1342 1342/1342 1342 ± 0.0000243 6.521 6.295/6.623 6.431 ± 0.322
12 1342 1342/1342 1342 ± 0.0000243 6.602 6.435/6.762 6.592 ± 0.3561
13 1342 1342/1342 1342 ± 0.0000243 7.064 6.919/7.189 7.036 ± 0.3673
14 1342 1342/1342 1342 ± 0.0000243 7.195 7.021/7.489 7.206 ± 0.3961
15 1342 1342/1342 1342 ± 0.0000243 6.826 6.613/7.094 6.808 ± 0.3533
16 1342 1342/1342 1342 ± 0.0000248 6.201 5.911/6.461 6.224 ± 0.359
17 1342 1342/1342 1342 ± 0.0000248 6.19 6.011/6.459 6.249 ± 0.3501
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
vis
VLASS2.1.sb38667356.eb38705720.59131.46099141204_split_split.ms
Start time
2025-01-11 04:08:08.803
End
2025-01-11 05:26:44.717
Duration
1:18:35.915
Note, WebLog generation is not included in the time.

CASA logs for stage 8