Comments (4)
Yes, this should be an easy functionality to add, and I propose that we do it as an optional output rather than a default output since mom 2 maps are not useful in many cases (they may say more about bandwidth smearing than about the dispersion in the galaxy). That said, if you have an example of a mom 2 map you like, or suggestions for color maps that are intuitive, etc, please share them.
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Yeah, I agree that mom2 is not as useful as others for individual galaxies. How about something like Fig. 2(c) in https://arxiv.org/pdf/2303.17638.pdf ? To me, it looks intuitive when the dispersion gets increased, thanks.
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Hi @panstarrs, sorry for the very long delay in addressing this issue. I've staged some changes in the mom2 branch, if you have the opportunity to test them and give feedback.
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@paoloserra I believe you had an edge case of a 1 channel source. Can you check to see how the mom2 branch behaves with that source (if it works), or what needs to be fixed to accommodate it?
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Related Issues (20)
- user-defined combo file size limit
- code crashes if the first HI contour of a source is NaN
- SIP crashes if bmaj or bmin=0 in the cubelet headers
- overlay position of sources HOT 2
- Saving fits file HOT 2
- HSC among survey options?
- np.int removed in numpy 1.24
- check other extensions in user provided image?
- ImportError: cannot import name 'update_default_config' from 'astropy.config.configuration' HOT 4
- Making moment-map2 HOT 12
- remove pvextractor dependency
- Astroquery not able to retrieve survey images HOT 1
- convert in imagemagick deprecated
- Error with plotting mom1 in matplotlib=3.8 HOT 1
- Add DeCAPS among survey options?
- Add redshift information to plots
- SIP may not work with Python 12 with current numpy restrictions HOT 1
- Catalogue of molecules: query updated version
- Dies if no SNR cube? HOT 1
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