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 5.818 5.291/6.578 5.892 ± 0.8727
ea03 1342 1342/1342 1342 ± 0.00003682 5.023 4.629/6.037 5.207 ± 0.8068
ea04 1342 1342/1342 1342 ± 0.00003533 5.422 5.044/6.125 5.476 ± 0.7724
ea05 1342 1342/1342 1342 ± 0.00002233 4.802 4.472/5.418 4.925 ± 0.6783
ea06 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea07 1342 1342/1342 1342 ± 0.00003011 5.79 5.332/6.22 5.824 ± 0.8546
ea08 1342 1342/1342 1342 ± 0.0000335 5.988 5.523/6.784 6.063 ± 0.9444
ea09 1342 1342/1342 1342 ± 0.00003899 5.63 5.144/6.513 5.641 ± 0.8719
ea10 1342 1342/1342 1342 ± 0.00002982 5.839 5.23/6.754 5.924 ± 0.922
ea11 1342 1342/1342 1342 ± 0.00003003 5.812 5.109/6.55 5.818 ± 0.8945
ea12 1342 1342/1342 1342 ± 0.00003476 5.604 5.304/6.486 5.786 ± 0.8539
ea13 1342 1342/1342 1342 ± 0.00003874 5.773 5.642/6.366 5.882 ± 0.8635
ea14 1342 1342/1342 1342 ± 0.00003315 5.601 5.258/6.486 5.788 ± 0.9166
ea15 1342 1342/1342 1342 ± 0.0000082 2.467 2.271/2.828 2.546 ± 0.4414
ea16 1342 1342/1342 1342 ± 0.00003242 5.848 5.528/6.815 6.028 ± 1.06
ea17 1342 1342/1342 1342 ± 0.0000315 6.094 5.679/7.37 6.263 ± 0.9887
ea18 1342 1342/1342 1342 ± 0.00003074 4.775 4.617/5.573 4.909 ± 0.6283
ea19 1342 1342/1342 1342 ± 0.00003324 5.488 5.264/6.454 5.68 ± 0.9184
ea20 1342 1342/1342 1342 ± 0.00003396 5.831 5.714/6.953 6.11 ± 0.9502
ea21 1342 1342/1342 1342 ± 0.00002685 5.56 5.23/6.41 5.679 ± 0.923
ea23 1342 1342/1342 1342 ± 0.00002922 5.856 5.471/6.667 6.043 ± 0.9454
ea24 1342 1342/1342 1342 ± 0.00003701 5.571 5.257/6.511 5.69 ± 0.875
ea25 1342 1342/1342 1342 ± 0.00003006 5.53 5.202/6.367 5.652 ± 0.7678
ea26 1342 1342/1342 1342 ± 0.00003739 5.771 5.483/6.839 5.939 ± 0.9657
ea27 1342 1342/1342 1342 ± 0.0000315 5.428 5.143/6.459 5.665 ± 0.84
ea28 1342 1342/1342 1342 ± 0.00003216 5.342 5.1/6.199 5.563 ± 0.7727
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 ± 0.00002392 5.285 5.136/5.56 5.21 ± 0.6276
5 1342 1342/1342 1342 ± 0.00002392 5.331 5.082/5.488 5.142 ± 0.7206
6 1342 1342/1342 1342 ± 0.00002392 5.264 5.038/5.471 5.11 ± 0.6449
7 1342 1342/1342 1342 ± 0.00002392 5.263 5.143/5.446 5.155 ± 0.6526
8 1342 1342/1342 1342 ± 0.00002392 5.293 5.092/5.438 5.145 ± 0.6661
9 1342 1342/1342 1342 ± 0.00002392 5.573 5.291/5.815 5.42 ± 0.7139
10 1342 1342/1342 1342 ± 0.00002392 6.056 5.713/6.163 5.817 ± 0.7743
11 1342 1342/1342 1342 ± 0.00002392 6.333 6.082/6.428 6.107 ± 0.7725
12 1342 1342/1342 1342 ± 0.00002392 6.487 6.213/6.657 6.32 ± 0.8028
13 1342 1342/1342 1342 ± 0.00002392 6.862 6.602/6.977 6.681 ± 0.7939
14 1342 1342/1342 1342 ± 0.00002392 6.941 6.573/7.164 6.735 ± 0.8331
15 1342 1342/1342 1342 ± 0.00002521 6.76 6.408/7.035 6.567 ± 0.8863
16 1342 1342/1342 1342 ± 0.0000499 3.773 3.608/3.94 3.687 ± 0.5309
17 1342 1342/1342 1342 ± 0.00004908 3.874 3.69/4.08 3.798 ± 0.5346
vis
VLASS2.1.sb38726305.eb38809014.59142.09063322916_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
Start time
2025-01-11 11:26:12.740
End
2025-01-11 12:30:29.215
Duration
1:04:16.474
Note, WebLog generation is not included in the time.

CASA logs for stage 8