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Coma (optics)

In optics (especially telescopes), the coma (/ˈkoʊmə/), or comatic aberration, in an optical system refers to aberration inherent to certain optical designs or due to imperfection in the lens or other components that results in off-axis point sources such as stars appearing distorted, appearing to have a tail (coma) like a comet. Specifically, coma is…

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OpticsTelescopesAberrationLensPoint sources
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Coma (optics)

Nodes29
Edges28
Triples2
Avg. degree1.93
Density0.068966
Components1

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Important terminology

coma aberration optical point also telescopes lens axis system especially wavelength spherical mirror rays strike angle lenses inherent off-axis stars

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SubjectPredicateObjectConfidenceSrc
stars appearing distortedinstance ofin an optical system refers to aberration inherent to certain optical designs or due to imperfection in the lens or other components that results in off-axis point sources0.80text
appearing to have a tailinstance ofin an optical system refers to aberration inherent to certain optical designs or due to imperfection in the lens or other components that results in off-axis point sources0.80text

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