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

Statwt Summary Plot

VLASS2.2.sb40880919.eb41034540.59559.16303170139_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 6.54 5.945/6.863 6.509 ± 0.5989
ea03 1342 1342/1342 1342 ± 0 5.713 5.245/6.756 5.94 ± 0.7271
ea04 1342 1342/1342 1342 ± 0 6.283 5.792/6.769 6.351 ± 0.6745
ea05 1342 1342/1342 1342 ± 0 6.221 5.906/7.042 6.408 ± 0.7175
ea06 1342 1342/1342 1342 ± 0 6.413 5.884/6.827 6.386 ± 0.6016
ea07 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea08 1342 1342/1342 1342 ± 0 6.12 5.705/6.767 6.247 ± 0.6184
ea09 1342 1342/1342 1342 ± 0 6.201 5.568/6.94 6.31 ± 0.6878
ea10 1342 1342/1342 1342 ± 0 7.133 6.791/7.388 7.053 ± 0.4442
ea11 1342 1342/1342 1342 ± 0.000001564 6.263 5.639/6.867 6.339 ± 0.7221
ea12 1342 1342/1342 1342 ± 0 6.585 5.913/7.058 6.607 ± 0.7111
ea13 1342 1342/1342 1342 ± 0 5.911 5.498/6.208 5.935 ± 0.4161
ea14 1342 1342/1342 1342 ± 0 6.654 5.899/7 6.582 ± 0.6849
ea15 1342 1342/1342 1342 ± 0 6.007 5.49/6.616 6.092 ± 0.6551
ea16 1342 1342/1342 1342 ± 0 6.587 5.996/7.089 6.623 ± 0.7311
ea17 1342 1342/1342 1342 ± 0 6.891 6.489/7.897 7.104 ± 0.733
ea18 1342 1342/1342 1342 ± 0 5.258 4.866/5.66 5.303 ± 0.525
ea19 1342 1342/1342 1342 ± 0 6.697 6.078/7.332 6.705 ± 0.7016
ea20 1342 1342/1342 1342 ± 0 5.897 5.7/6.769 6.132 ± 0.609
ea21 1342 1342/1342 1342 ± 0 5.514 5.319/6.11 5.717 ± 0.4782
ea22 1342 1342/1342 1342 ± 0 6.331 5.587/6.651 6.186 ± 0.6079
ea23 1342 1342/1342 1342 ± 0 6.325 5.944/6.968 6.519 ± 0.6848
ea24 1342 1342/1342 1342 ± 0 6.158 5.455/6.638 6.045 ± 0.5825
ea25 1342 1342/1342 1342 ± 0 6.885 6.069/7.213 6.785 ± 0.7983
ea26 1342 1342/1342 1342 ± 0 6.754 6.164/7.489 6.828 ± 0.7025
ea27 1342 1342/1342 1342 ± 0 6.092 5.811/7.083 6.388 ± 0.6569
ea28 1342 1342/1342 1342 ± 0 6.305 5.968/7.16 6.57 ± 0.6673
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 5.884 5.651/6.172 5.837 ± 0.3336
4 1342 1342/1342 1342 ± 0.00002395 5.49 5.26/5.807 5.526 ± 0.4264
5 1342 1342/1342 1342 ± 0.00002392 5.913 5.559/6.047 5.795 ± 0.3699
6 1342 1342/1342 1342 ± 0.00002392 5.768 5.493/5.906 5.691 ± 0.3125
7 1342 1342/1342 1342 ± 0.00002392 5.828 5.581/5.968 5.767 ± 0.3153
8 1342 1342/1342 1342 ± 0.00002392 5.694 5.458/5.988 5.721 ± 0.3731
9 1342 1342/1342 1342 ± 0.00002392 6.044 5.807/6.309 6.018 ± 0.371
10 1342 1342/1342 1342 ± 0.00002348 6.631 6.283/6.738 6.492 ± 0.3593
11 1342 1342/1342 1342 ± 0.00002348 6.811 6.571/7.008 6.734 ± 0.3762
12 1342 1342/1342 1342 ± 0.00002348 6.906 6.667/7.106 6.871 ± 0.4397
13 1342 1342/1342 1342 ± 0.00002348 7.4 7.116/7.761 7.35 ± 0.5004
14 1342 1342/1342 1342 ± 0.00002348 7.576 7.299/7.875 7.54 ± 0.5046
15 1342 1342/1342 1342 ± 0.00002348 7.097 6.863/7.518 7.142 ± 0.4652
16 1342 1342/1342 1342 ± 0.00002348 6.392 6.083/6.766 6.418 ± 0.4965
17 1342 1342/1342 1342 ± 0.00002348 6.338 6.1/6.654 6.326 ± 0.4893
vis
VLASS2.2.sb40880919.eb41034540.59559.16303170139_split_split.ms
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2025-06-12 06:53:05.770
End
2025-06-12 08:09:21.290
Duration
1:16:15.520
Note, WebLog generation is not included in the time.

CASA logs for stage 8