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ALMA-IMF / reduction

Repository for reduction scripts, etc
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Changes of beam in W43-MM1 B6 spw5 12M cube #162

Open Maxime-Valeille opened 2 years ago

Maxime-Valeille commented 2 years ago

Capture d’écran 2021-11-02 à 15 00 04

The beam changes three times by around 0.1 arcsec.

keflavich commented 2 years ago

This is pretty weird and I don't have an explanation. We need to discuss it at the next data reduction telecon.

Anyone have ideas before then? This is not a field with weird flagging.

cunninghamnichol commented 2 years ago

These are the median and max beams from the headers of all the B6 fits files for W43-MM1 Spw0:0.65 x0.47 (max=0.65 x0.47) Spw1:0.65”x0.47” (max=0.65x0.47”) Swp2:0.64”x0.47” (max=0.75x0.58”, mis=0.43x0.29) Swp3:0.64x0.47” (Max=0.75x0.58”) Swp4:0.64”x0.47” (max=0.76x0.58”) Spw5:0.59”x0.43” (max=0.71x0.53) Spw6:0.59x0.42” (max=0.59x0.42) spw7:0.50x0.34” (max=0.50x0.34)

cunninghamnichol commented 2 years ago

Several of the spectral windows have jumps https://docs.google.com/document/d/15lkcJ5djzrYxL7j0lHtu298lEIOSHH-SVcFbCWWYS0s/edit?usp=sharing