Talk:List of resolved circumstellar disks

== Why ? ==

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This list is duplicative of the existing website circumstellardisks.org, and far less complete. What’s the objective here ? 2601:4C4:4001:74B0:A5C7:A97:4277:EDB6 (talk) 05:05, 1 June 2024 (UTC)[reply]

Not at all a duplicate. The website you are talking about was not updated since 2021 (see bottom of the page) and has therefore outdated and sometimes unrealistic values and newly discovered objects are not added to the website anymore. It does for example not contain HD 34700A or "Dracula's Chivito". New images are not added to the website anymore. The website also is sometimes not available anymore (happened to me a few days ago) and might disappear in a few years? This list might also help others to navigate to wikipedia pages easier. Meli thev (talk) 11:10, 1 June 2024 (UTC)[reply]

This is nice but the apparent disk sizes are sort of arbitrary. Some have filaments and other features that extend way out past the disk itself. Dracula's Chivito has 'fangs' (probably envelope) extending out 16 arcsec in the northern part so if you add this feature the total size is double... 214.9.102.24 (talk) 17:46, 3 June 2024 (UTC)[reply]

Ok. Do you have a suggestion how to improve this? Meli thev (talk) 06:55, 4 June 2024 (UTC)[reply]

I don't think is much you can do, I was just pointing out a fact, the disk radius is hard to determine sometimes, just as the distance, the gas in the disk extends further out compared to the dust component. For example Tau 042021 which the authors claim is 1000 au in radius because they detect gas extending that far but only in the southern part of the disk. However when they do the modeling to match the optical images they use 400 au. Plus as I mentioned before extended features might not be part of the disk itself, they could be filaments, winds, envelope... 214.9.102.24 (talk) 19:51, 4 June 2024 (UTC)[reply]