Subject: AGZ0006dvp
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by p.draper
What is the truth behind these rings, seen several now P Draper
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by p.draper
On looking at other donut images they are not the same ! P. Draper
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by ElisabethB moderator
These rings are optical artifacts found in these infrared images from the UKIDS Survey. No idea what causes them, sorry.
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by Gapella
Pity, I would like to know!
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by dlpartner
Looks like maybe a #bar on SDSS image
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#purple, galaxy, #disturbed, green ring optic. artifacts. Gandalf...
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by SwaggerBotr
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by Graniel
Why, in raw data images; log form, does the ring move 'forward' from y to j wavelengths. Reminds me of an 'etch a sketch' magnet ring.
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