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

Statwt Summary Plot

VLASS2.1.sb38602933.eb38631109.59096.27884142361_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 5.37 5.2/6.205 5.572 ± 0.7231
ea02 1342 1342/1342 1342 ± 0.00004082 5.89 5.334/6.713 5.889 ± 1.001
ea04 1342 1342/1342 1342 ± 0.00001455 5.337 5.033/6.066 5.371 ± 0.834
ea05 1342 1342/1342 1342 ± 0.00001879 5.478 5.016/6.233 5.611 ± 0.7845
ea06 1342 1342/1342 1342 ± 0.00002435 4.968 4.677/5.338 4.83 ± 0.6532
ea07 1342 1342/1342 1342 ± 0.00003369 5.936 5.448/6.381 5.863 ± 0.7654
ea08 1342 1342/1342 1342 ± 0.00003479 6.06 5.677/6.848 6.173 ± 0.9268
ea09 1342 1342/1342 1342 ± 0.00003426 5.7 5.134/6.503 5.666 ± 0.8472
ea10 1342 1342/1342 1342 ± 0.00003632 5.948 5.306/6.667 5.853 ± 0.8839
ea11 1342 1342/1342 1342 ± 0.00004191 5.8 5.13/6.535 5.633 ± 0.946
ea12 1342 1342/1342 1342 ± 0.00003094 5.703 5.337/6.566 5.709 ± 0.98
ea13 1342 1342/1342 1342 ± 0.00002695 5.887 5.657/6.433 5.989 ± 0.8144
ea14 1342 1342/1342 1342 ± 0.00002625 5.542 5.091/6.36 5.624 ± 0.808
ea15 1342 1342/1342 1342 ± 0.000005646 5.331 5.116/6.308 5.522 ± 0.9481
ea16 1342 1342/1342 1342 ± 0.00002478 5.893 5.48/6.861 5.983 ± 0.9396
ea17 1342 1342/1342 1342 ± 0.00003646 5.93 5.485/6.924 5.992 ± 0.8832
ea18 1342 1342/1342 1342 ± 0.00003863 5.03 4.76/5.694 5.082 ± 0.628
ea19 1342 1342/1342 1342 ± 0.00001468 5.842 5.478/6.751 5.98 ± 0.8386
ea20 1342 1342/1342 1342 ± 0.00003962 5.832 5.557/6.961 5.994 ± 1.043
ea21 1342 1342/1342 1342 ± 0.00002357 5.552 5.319/6.339 5.634 ± 0.7813
ea22 1342 1342/1342 1342 ± 0.0000373 5.378 5.14/6.48 5.666 ± 0.836
ea23 1342 1342/1342 1342 ± 0.00003048 5.844 5.445/6.611 5.813 ± 0.8939
ea25 1342 1342/1342 1342 ± 0.00003681 5.524 5.199/6.341 5.594 ± 0.7763
ea26 1342 1342/1342 1342 ± 0.0000376 5.877 5.593/6.976 6.064 ± 0.9386
ea27 1342 1342/1342 1342 ± 0.00003323 5.587 5.323/6.487 5.73 ± 0.7866
ea28 1342 1342/1342 1342 ± 0.00004178 5.667 5.402/6.619 5.804 ± 0.9526
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 ± 0.00002365 5.461 5.305/5.727 5.476 ± 0.2699
5 1342 1342/1342 1342 ± 0.00002489 5.317 5.091/5.488 5.32 ± 0.2632
6 1342 1342/1342 1342 ± 0.00002365 5.362 5.129/5.517 5.307 ± 0.2791
7 1342 1342/1342 1342 ± 0.00002365 5.358 5.191/5.514 5.348 ± 0.2691
8 1342 1342/1342 1342 ± 0.00002365 5.347 5.142/5.476 5.301 ± 0.2862
9 1342 1342/1342 1342 ± 0.00002413 5.64 5.412/5.894 5.609 ± 0.3123
10 1342 1342/1342 1342 ± 0.00002365 6.077 5.867/6.257 6.037 ± 0.3265
11 1342 1342/1342 1342 ± 0.00002365 6.385 6.237/6.501 6.317 ± 0.3358
12 1342 1342/1342 1342 ± 0.00002365 6.557 6.352/6.77 6.517 ± 0.3701
13 1342 1342/1342 1342 ± 0.00002365 6.917 6.656/7.085 6.832 ± 0.4004
14 1342 1342/1342 1342 ± 0.00002416 6.767 6.469/7.09 6.728 ± 0.515
15 1342 1342/1342 1342 ± 0.00002458 6.664 6.436/6.971 6.634 ± 0.472
16 1342 1342/1342 1342 ± 0.00005994 4.011 3.853/4.267 4.057 ± 0.2991
17 1342 1342/1342 1342 ± 0.00005947 4.012 3.826/4.337 4.081 ± 0.3588
output_dir
 
vis
VLASS2.1.sb38602933.eb38631109.59096.27884142361_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2024-11-01 18:02:59.030
End
2024-11-01 18:46:08.111
Duration
0:43:09.082
Note, WebLog generation is not included in the time.

CASA logs for stage 8