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

Statwt Summary Plot

VLASS2.1.sb38598618.eb38624961.59090.97292246528_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 5.12 5.039/5.738 5.432 ± 0.5077
ea02 1342 1342/1342 1342 ± 0 5.501 5.237/6.221 5.73 ± 0.6164
ea04 1342 1342/1342 1342 ± 0 5.246 4.936/5.966 5.459 ± 0.5697
ea05 1342 1342/1342 1342 ± 0 5.544 5.137/6.103 5.666 ± 0.5971
ea06 1342 1342/1342 1342 ± 0 4.851 4.542/5.213 4.909 ± 0.3926
ea07 1342 1342/1342 1342 ± 0.00001162 5.68 5.271/6.051 5.753 ± 0.541
ea08 1342 1342/1342 1342 ± 0 5.545 5.312/6.437 5.859 ± 0.6561
ea09 1342 1342/1342 1342 ± 0 5.491 4.985/6.072 5.568 ± 0.6179
ea10 1342 1342/1342 1342 ± 0 5.679 5.073/6.382 5.712 ± 0.6832
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.498 5.077/6.24 5.727 ± 0.6696
ea13 1342 1342/1342 1342 ± 0 5.784 5.435/6.134 5.872 ± 0.4838
ea14 1342 1342/1342 1342 ± 0 5.551 5.087/6.133 5.635 ± 0.6184
ea15 1342 1342/1342 1342 ± 0 5.354 4.883/6.05 5.495 ± 0.6812
ea16 1342 1342/1342 1342 ± 0 5.847 5.445/6.353 5.983 ± 0.6806
ea17 1342 1342/1342 1342 ± 0.000002593 5.786 5.298/6.187 5.846 ± 0.6036
ea18 1342 1342/1342 1342 ± 0 4.828 4.54/5.427 4.976 ± 0.5304
ea19 1342 1342/1342 1342 ± 0 5.721 5.32/6.359 5.878 ± 0.5852
ea20 1342 1342/1342 1342 ± 0 5.854 5.438/6.489 5.998 ± 0.6564
ea21 1342 1342/1342 1342 ± 0 5.45 5.186/6.102 5.623 ± 0.5613
ea22 1342 1342/1342 1342 ± 0 5.395 5.1/6.178 5.621 ± 0.6271
ea23 1342 1342/1342 1342 ± 0 5.708 5.275/6.261 5.852 ± 0.6556
ea25 1342 1342/1342 1342 ± 0 5.504 4.983/5.897 5.523 ± 0.581
ea26 1342 1342/1342 1342 ± 0 5.786 5.474/6.459 5.951 ± 0.6202
ea27 1342 1342/1342 1342 ± 0.00004001 5.4 5.088/6.127 5.557 ± 0.5694
ea28 1342 1342/1342 1342 ± 0 5.406 5.205/6.28 5.65 ± 0.6554
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 ± 0.00002402 5.118 4.989/5.337 5.134 ± 0.2349
3 1342 1342/1342 1342 ± 0.0000241 5.004 4.79/5.208 4.98 ± 0.2659
4 1342 1342/1342 1342 ± 0.00002432 5.144 4.952/5.3 5.124 ± 0.3321
5 1342 1342/1342 1342 ± 0.00002402 5.17 4.92/5.27 5.116 ± 0.2934
6 1342 1342/1342 1342 ± 0.00002402 5.122 4.927/5.274 5.089 ± 0.2727
7 1342 1342/1342 1342 ± 0.00002402 5.149 5.029/5.32 5.139 ± 0.2365
8 1342 1342/1342 1342 ± 0.00002402 5.197 4.932/5.268 5.112 ± 0.2678
9 1342 1342/1342 1342 ± 0.00002402 5.425 5.257/5.65 5.388 ± 0.3076
10 1342 1342/1342 1342 ± 0.00002402 5.831 5.693/6.047 5.822 ± 0.3127
11 1342 1342/1342 1342 ± 0.00002402 6.126 5.934/6.203 6.043 ± 0.3209
12 1342 1342/1342 1342 ± 0.00002402 6.254 6.083/6.433 6.212 ± 0.3383
13 1342 1342/1342 1342 ± 0.00002402 6.66 6.519/6.816 6.621 ± 0.3557
14 1342 1342/1342 1342 ± 0.00002402 6.88 6.639/6.974 6.774 ± 0.387
15 1342 1342/1342 1342 ± 0.00002402 6.391 6.169/6.54 6.321 ± 0.3312
16 1342 1342/1342 1342 ± 0.00003315 5.704 5.534/5.996 5.754 ± 0.2953
17 1342 1342/1342 1342 ± 0.00003412 5.791 5.538/6.051 5.778 ± 0.314
vis
VLASS2.1.sb38598618.eb38624961.59090.97292246528_split_split.ms
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
Start time
2024-12-31 02:48:29.539
End
2024-12-31 03:32:29.214
Duration
0:43:59.675
Note, WebLog generation is not included in the time.

CASA logs for stage 8