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

Statwt Summary Plot

VLASS2.1.sb38520431.eb38554942.59063.924480127316_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 5.579 5.356/6 5.668 ± 0.4897
ea02 1342 1342/1342 1342 ± 0 5.766 5.471/6.419 5.983 ± 0.5385
ea04 1342 1342/1342 1342 ± 0.0000228 5.626 5.292/6.214 5.756 ± 0.52
ea05 1342 1342/1342 1342 ± 0 5.858 5.423/6.33 5.831 ± 0.4905
ea06 1342 1342/1342 1342 ± 0 3.049 2.976/3.281 3.134 ± 0.1811
ea07 1342 1342/1342 1342 ± 0 5.54 5.402/5.792 5.56 ± 0.2151
ea08 1342 1342/1342 1342 ± 0 5.794 5.485/6.517 5.998 ± 0.5818
ea09 1342 1342/1342 1342 ± 0 4.832 4.724/5.31 4.983 ± 0.2967
ea10 1342 1342/1342 1342 ± 0 5.521 5.278/6.297 5.761 ± 0.5186
ea11 1342 1342/1342 1342 ± 0 5.811 5.449/6.383 5.961 ± 0.5239
ea12 1342 1342/1342 1342 ± 0 5.749 5.298/6.036 5.742 ± 0.4273
ea13 1342 1342/1342 1342 ± 0 6.168 5.817/6.265 6.118 ± 0.4236
ea14 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea15 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea16 1342 1342/1342 1342 ± 0 5.088 4.987/5.233 5.103 ± 0.2408
ea17 1342 1342/1342 1342 ± 0.00001567 6.013 5.714/6.579 6.149 ± 0.5344
ea18 1342 1342/1342 1342 ± 0 5.089 4.866/5.508 5.196 ± 0.3753
ea19 1342 1342/1342 1342 ± 0 6.405 6.095/6.711 6.436 ± 0.3312
ea21 1342 1342/1342 1342 ± 0 5.845 5.522/6.347 5.966 ± 0.5002
ea22 1342 1342/1342 1342 ± 0 5.409 5.16/6.023 5.553 ± 0.4802
ea23 1342 1342/1342 1342 ± 0 6.141 5.611/6.534 6.135 ± 0.5972
ea25 1342 1342/1342 1342 ± 0 5.395 5.361/5.47 5.403 ± 0.157
ea26 1342 1342/1342 1342 ± 0 5.71 5.489/6.294 5.858 ± 0.4406
ea27 1342 1342/1342 1342 ± 0.000002391 5.473 5.2/6.178 5.636 ± 0.4963
ea28 1342 1342/1342 1342 ± 0.000002176 5.664 5.435/6.443 5.902 ± 0.5781
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 ± 0.000026 5.557 5.381/5.676 5.486 ± 0.3026
3 1342 1342/1342 1342 ± 0.00003205 5.216 5.051/5.551 5.307 ± 0.3249
4 1342 1342/1342 1342 ± 0.00003335 5.274 5.106/5.524 5.307 ± 0.3077
5 1342 1342/1342 1342 ± 0.00002601 5.374 5.27/5.581 5.395 ± 0.2837
6 1342 1342/1342 1342 ± 0.000026 5.378 5.23/5.42 5.318 ± 0.2605
7 1342 1342/1342 1342 ± 0.000026 5.399 5.26/5.511 5.345 ± 0.239
8 1342 1342/1342 1342 ± 0.000026 5.398 5.121/5.481 5.291 ± 0.2891
9 1342 1342/1342 1342 ± 0.000026 5.658 5.294/5.804 5.54 ± 0.3633
10 1342 1342/1342 1342 ± 0.000026 5.945 5.753/6.132 5.746 ± 0.6372
11 1342 1342/1342 1342 ± 0.000026 6.202 5.821/6.312 5.894 ± 0.7529
12 1342 1342/1342 1342 ± 0.000026 6.297 6.025/6.394 6.023 ± 0.7762
13 1342 1342/1342 1342 ± 0.000026 6.6 6.372/6.797 6.359 ± 0.8315
14 1342 1342/1342 1342 ± 0.000026 6.709 6.542/6.997 6.511 ± 0.852
15 1342 1342/1342 1342 ± 0.000026 6.374 6.155/6.614 6.156 ± 0.8473
16 1342 1342/1342 1342 ± 0.00002862 5.641 5.407/5.987 5.543 ± 0.7016
17 1342 1342/1342 1342 ± 0.000026 5.637 5.464/5.903 5.561 ± 0.6806
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS2.1.sb38520431.eb38554942.59063.924480127316_split_split.ms
overwrite_modelcol
False
output_dir
 
Start time
2024-03-29 12:03:02.202
End
2024-03-29 13:31:01.925
Duration
1:27:59.723
Note, WebLog generation is not included in the time.

CASA logs for stage 7