Shell stars

dcterms created equal to or less than 2017-01-23T20:12:14.000Zequal to or more than 2017-01-23T20:12:14.000Z
dcterms modified equal to or less than 2020-11-04T14:48:28.033Zequal to or more than 2020-11-04T14:48:28.033Z
broader original
1850 original
definition A main-sequence star, usually of spectral class B to F, whose spectrum shows bright emission lines superimposed on the normal absorption lines. The emission spectrum is explained by the presence of a circumstellar shell of gas surrounding the star at the equator. Shell stars are fast rotators.
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Concept original
contributor AAS_Frey.Katie_Admin original
creator AAS_Frey.Katie_Admin original