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

Statwt Summary Plot

VLASS2.1.sb38450628.eb38515240.59049.50130047454_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 5.318 5.154/6.244 5.619 ± 0.805
ea02 1342 1342/1342 1342 ± 0.00003927 5.944 5.379/6.767 5.979 ± 0.9958
ea04 1342 1342/1342 1342 ± 0.00004055 5.369 5.091/6.182 5.529 ± 0.796
ea05 1342 1342/1342 1342 ± 0.00002062 5.456 5.097/6.542 5.73 ± 0.8958
ea06 1342 1342/1342 1342 ± 0.00003861 4.997 4.722/5.83 5.213 ± 0.6858
ea07 1342 1342/1342 1342 ± 0.00003822 5.778 5.319/6.254 5.773 ± 0.8357
ea09 1342 1342/1342 1342 ± 0.00002927 5.489 5.066/6.149 5.442 ± 0.7778
ea10 1342 1342/1342 1342 ± 0.00003777 5.235 4.78/5.944 5.286 ± 0.7393
ea11 1342 1342/1342 1342 ± 0.00004053 5.942 5.391/6.652 5.897 ± 0.9257
ea12 1342 1342/1342 1342 ± 0.00004151 5.673 5.471/6.7 5.91 ± 0.957
ea13 1342 1342/1342 1342 ± 0.000009582 5.758 5.596/6.335 5.888 ± 0.8823
ea14 1342 1342/1342 1342 ± 0.00003576 5.61 5.321/6.656 5.911 ± 0.9524
ea15 1342 1342/1342 1342 ± 0.00004089 5.643 5.359/6.571 5.868 ± 0.9563
ea16 1342 1342/1342 1342 ± 0.00003143 5.887 5.409/6.847 6.007 ± 1.106
ea17 1342 1342/1342 1342 ± 0.00004034 5.958 5.409/6.91 6.037 ± 0.9913
ea18 1342 1342/1342 1342 ± 0.00004149 5.031 4.796/5.787 5.172 ± 0.7023
ea19 1342 1342/1342 1342 ± 0.00002024 5.72 5.511/6.879 6.006 ± 0.9782
ea20 1342 1342/1342 1342 ± 0.00004184 6.024 5.873/7.016 6.212 ± 1.024
ea21 1342 1342/1342 1342 ± 0.00003375 5.575 5.24/6.417 5.738 ± 0.9084
ea22 1342 1342/1342 1342 ± 0.00003999 5.464 5.057/6.523 5.731 ± 0.9565
ea23 1342 1342/1342 1342 ± 0.00003659 5.914 5.491/6.7 6.003 ± 0.9159
ea24 1342 1342/1342 1342 ± 0.00001785 5.213 4.79/6.22 5.459 ± 0.8221
ea25 1342 1342/1342 1342 ± 0.00003931 5.636 5.224/6.456 5.715 ± 0.862
ea26 1342 1342/1342 1342 ± 0.00003003 5.778 5.61/6.879 6.06 ± 1.014
ea27 1342 1342/1342 1342 ± 0.00003896 5.631 5.22/6.595 5.804 ± 0.8653
ea28 1342 1342/1342 1342 ± 0.00004008 5.682 5.488/6.76 6 ± 0.9075
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 ± 0.00002459 5.332 5.129/5.518 5.295 ± 0.3272
6 1342 1342/1342 1342 ± 0.00002394 5.327 5.076/5.489 5.291 ± 0.2665
7 1342 1342/1342 1342 ± 0.00002394 5.34 5.163/5.5 5.323 ± 0.2746
8 1342 1342/1342 1342 ± 0.00002394 5.358 5.091/5.487 5.304 ± 0.3091
9 1342 1342/1342 1342 ± 0.00002449 5.628 5.256/5.782 5.575 ± 0.3035
10 1342 1342/1342 1342 ± 0.00002394 6.138 5.912/6.24 6.065 ± 0.2915
11 1342 1342/1342 1342 ± 0.00002394 6.483 6.082/6.596 6.355 ± 0.3062
12 1342 1342/1342 1342 ± 0.00002394 6.539 6.257/6.761 6.544 ± 0.3456
13 1342 1342/1342 1342 ± 0.00002424 6.702 6.407/6.99 6.645 ± 0.4531
14 1342 1342/1342 1342 ± 0.00002394 7.178 6.782/7.379 7.058 ± 0.4281
15 1342 1342/1342 1342 ± 0.00003073 6.763 6.477/7.008 6.71 ± 0.4511
16 1342 1342/1342 1342 ± 0.00005361 4.013 3.91/4.115 4.013 ± 0.1518
17 1342 1342/1342 1342 ± 0.00004974 4.111 3.939/4.301 4.126 ± 0.2715
datacolumn
residual_data
vis
VLASS2.1.sb38450628.eb38515240.59049.50130047454_split_split.ms
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2024-05-17 13:36:23.098
End
2024-05-17 14:29:04.172
Duration
0:52:41.074
Note, WebLog generation is not included in the time.

CASA logs for stage 8