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Am star
Peculiar star whose metallic lines are as strong as those of the F stars but whose hydrogen lines are so strong as to require that they be classed with the A stars. They are generally short-period (<300d) spectroscopic binaries with high atmospheric turbulence and variable spectra, and are slower rotators than normal A stars.
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- Part of Speech: noun
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- Industry/Domain: Astronomy
- Category: General astronomy
- Company: Caltech
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