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

Statwt Summary Plot

VLASS2.1.sb38670183.eb38674470.59118.18849075232_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 5.321 5.141/5.902 5.372 ± 0.8361
ea02 1342 1342/1342 1342 ± 0.00003809 5.904 5.327/6.642 5.825 ± 1.021
ea03 1342 1342/1342 1342 ± 0.00002272 5.037 4.646/5.82 5.115 ± 0.8248
ea04 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea05 1342 1342/1342 1342 ± 0.00001301 5.527 5.132/6.198 5.537 ± 0.9214
ea06 1342 1342/1342 1342 ± 0.00004046 4.614 4.523/5.024 4.529 ± 0.6288
ea07 1342 1342/1342 1342 ± 0.00003734 5.842 5.376/6.191 5.649 ± 0.8868
ea08 1342 1342/1342 1342 ± 0.00003825 6.1 5.576/6.856 6.043 ± 1.069
ea09 1342 1342/1342 1342 ± 0.00001965 5.699 5.217/6.513 5.707 ± 0.8333
ea10 1342 1342/1342 1342 ± 0.00003972 5.736 5.199/6.482 5.618 ± 0.9791
ea11 1342 1342/1342 1342 ± 0.00004141 5.775 5.123/6.425 5.563 ± 0.9811
ea12 1342 1342/1342 1342 ± 0.00004082 5.572 5.275/6.223 5.525 ± 1.003
ea13 1342 1342/1342 1342 ± 0.0000239 5.994 5.783/6.489 5.947 ± 0.9681
ea14 1342 1342/1342 1342 ± 0.00002877 6.378 5.971/6.585 5.751 ± 1.263
ea15 1342 1342/1342 1342 ± 0.00004104 5.513 5.183/6.339 5.469 ± 1.039
ea16 1342 1342/1342 1342 ± 0.00002557 5.896 5.488/6.786 5.798 ± 1.098
ea17 1342 1342/1342 1342 ± 0.00004503 6.002 5.503/6.636 5.904 ± 1.073
ea18 1342 1342/1342 1342 ± 0.00004047 4.853 4.536/5.406 4.812 ± 0.7273
ea19 1342 1342/1342 1342 ± 0.00001046 5.408 5.146/6.103 5.459 ± 0.8349
ea20 1342 1342/1342 1342 ± 0.00004069 5.789 5.57/6.558 5.786 ± 1.023
ea21 1342 1342/1342 1342 ± 0.00002141 5.618 5.339/6.307 5.559 ± 0.9699
ea22 1342 1342/1342 1342 ± 0.00003252 5.433 5.142/6.498 5.631 ± 0.9755
ea23 1342 1342/1342 1342 ± 0.00003625 5.871 5.483/6.547 5.766 ± 1.017
ea25 1342 1342/1342 1342 ± 0.00004262 5.605 5.238/6.195 5.499 ± 0.9119
ea26 1342 1342/1342 1342 ± 0.00002463 5.924 5.623/6.935 5.972 ± 1.039
ea27 1342 1342/1342 1342 ± 0.00004232 5.516 5.121/6.383 5.496 ± 0.9346
ea28 1342 1342/1342 1342 ± 0.00004014 5.631 5.389/6.557 5.716 ± 0.9622
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 5.337 5.149/5.62 5.351 ± 0.3318
5 1342 1342/1342 1342 ± 0.00002392 5.319 5.056/5.517 5.282 ± 0.4321
6 1342 1342/1342 1342 ± 0.00002392 5.353 5.201/5.456 5.293 ± 0.3329
7 1342 1342/1342 1342 ± 0.00002392 5.311 5.184/5.493 5.304 ± 0.3024
8 1342 1342/1342 1342 ± 0.00002392 5.336 5.136/5.508 5.287 ± 0.3321
9 1342 1342/1342 1342 ± 0.00002392 5.611 5.421/5.854 5.57 ± 0.3593
10 1342 1342/1342 1342 ± 0.00002348 6.079 5.837/6.187 5.983 ± 0.363
11 1342 1342/1342 1342 ± 0.00002348 6.358 6.166/6.438 6.258 ± 0.3641
12 1342 1342/1342 1342 ± 0.00002348 6.499 6.325/6.644 6.449 ± 0.3916
13 1342 1342/1342 1342 ± 0.00002352 6.699 6.489/6.907 6.624 ± 0.4505
14 1342 1342/1342 1342 ± 0.00003644 6.401 6.097/6.725 6.375 ± 0.6081
15 1342 1342/1342 1342 ± 0.00002459 6.712 6.376/6.936 6.558 ± 0.5652
16 1342 1342/1342 1342 ± 0.00005543 3.433 3.298/3.624 3.456 ± 0.2496
17 1342 1342/1342 1342 ± 0.00005664 3.526 3.4/3.69 3.544 ± 0.2289
vis
VLASS2.1.sb38670183.eb38674470.59118.18849075232_split_split.ms
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2024-11-02 20:43:08.333
End
2024-11-02 21:56:39.412
Duration
1:13:31.079
Note, WebLog generation is not included in the time.

CASA logs for stage 8