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

Statwt Summary Plot

VLASS2.2.sb40493634.eb40941789.59520.06707907407_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 5.881 5.633/6.636 6.168 ± 0.627
ea03 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0.000004692 5.837 5.299/6.625 5.967 ± 0.6746
ea06 1342 1342/1342 1342 ± 0 6.121 5.514/6.459 6.029 ± 0.5912
ea07 1342 1342/1342 1342 ± 0 6.152 5.524/6.451 6.106 ± 0.6283
ea08 1342 1342/1342 1342 ± 0.00002966 5.971 5.748/6.746 6.261 ± 0.6441
ea09 1342 1342/1342 1342 ± 0.00001833 5.952 5.435/6.723 6.064 ± 0.6744
ea10 1342 1342/1342 1342 ± 0.00000568 6.072 5.517/6.813 6.189 ± 0.6466
ea11 1342 1342/1342 1342 ± 0 6.016 5.423/6.631 6.102 ± 0.6952
ea12 1342 1342/1342 1342 ± 0 6.201 5.601/6.716 6.231 ± 0.6757
ea13 1342 1342/1342 1342 ± 0.00002223 5.898 5.801/6.443 6.159 ± 0.5113
ea14 1342 1342/1342 1342 ± 0 6.536 5.824/6.941 6.475 ± 0.7106
ea15 1342 1342/1342 1342 ± 0 5.729 5.136/6.085 5.656 ± 0.6513
ea16 1342 1342/1342 1342 ± 0 6.435 5.759/6.888 6.441 ± 0.7636
ea17 1342 1342/1342 1342 ± 0 6.595 5.939/7.346 6.642 ± 0.7128
ea18 1342 1342/1342 1342 ± 0 5.091 4.707/5.524 5.108 ± 0.5436
ea19 1342 1342/1342 1342 ± 0 6.552 5.818/7.091 6.495 ± 0.7346
ea20 1342 1342/1342 1342 ± 0 6.054 5.778/6.929 6.312 ± 0.6207
ea21 1342 1342/1342 1342 ± 0 6.168 5.557/6.614 6.163 ± 0.6302
ea22 1342 1342/1342 1342 ± 0 6.273 5.625/6.696 6.177 ± 0.6556
ea23 1342 1342/1342 1342 ± 0 6.127 5.709/6.802 6.3 ± 0.7111
ea24 1342 1342/1342 1342 ± 0 5.532 5.002/6.219 5.566 ± 0.629
ea26 1342 1342/1342 1342 ± 0.00000559 6.22 5.782/7.004 6.351 ± 0.6923
ea27 1342 1342/1342 1342 ± 0.00001565 6.059 5.621/7.071 6.249 ± 0.7484
ea28 1342 1342/1342 1342 ± 0.00001509 6.048 5.766/6.987 6.403 ± 0.7423
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 ± 0.00002441 5.559 5.467/5.745 5.548 ± 0.3083
4 1342 1342/1342 1342 ± 0.00003153 5.278 5.094/5.429 5.137 ± 0.4203
5 1342 1342/1342 1342 ± 0.00002441 5.604 5.324/5.729 5.514 ± 0.3354
6 1342 1342/1342 1342 ± 0.00002441 5.539 5.306/5.695 5.485 ± 0.2801
7 1342 1342/1342 1342 ± 0.00002441 5.568 5.428/5.784 5.556 ± 0.2847
8 1342 1342/1342 1342 ± 0.00002441 5.518 5.401/5.773 5.497 ± 0.3199
9 1342 1342/1342 1342 ± 0.00002441 5.894 5.706/6.023 5.797 ± 0.3259
10 1342 1342/1342 1342 ± 0.00002441 6.332 6.217/6.458 6.256 ± 0.3349
11 1342 1342/1342 1342 ± 0.00002441 6.558 6.324/6.748 6.499 ± 0.3471
12 1342 1342/1342 1342 ± 0.00002441 6.706 6.415/6.886 6.654 ± 0.3808
13 1342 1342/1342 1342 ± 0.00002441 7.137 6.918/7.394 7.12 ± 0.4117
14 1342 1342/1342 1342 ± 0.00002441 7.373 7.2/7.614 7.336 ± 0.4011
15 1342 1342/1342 1342 ± 0.00002441 6.993 6.78/7.348 6.97 ± 0.4094
16 1342 1342/1342 1342 ± 0.00002441 6.265 6.015/6.431 6.242 ± 0.3914
17 1342 1342/1342 1342 ± 0.00004171 6.088 5.923/6.408 6.159 ± 0.3936
vis
VLASS2.2.sb40493634.eb40941789.59520.06707907407_split_split.ms
overwrite_modelcol
False
output_dir
 
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2025-04-18 13:09:23.575
End
2025-04-18 13:59:43.676
Duration
0:50:20.101
Note, WebLog generation is not included in the time.

CASA logs for stage 8