subdwarf — English Dictionary

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subdwarf

Noun

A star that is dimmer than a main-sequence star of same temperature; located below the main sequence on the Hertzsprung-Russell diagram.

Synonyms
subdwarf star

Examples

More examples (1)

Data from the Keck Observatory’s Near-Infrared Echellette Spectrograph suggested the star was an L subdwarf, or a star with a much lower mass and cooler temperature than the sun. Cool subdwarfs are the oldest stars in the galaxy. […] Kremer carried out simulations and discovered that three-body interactions can knock a low-mass subdwarf star from a cluster and put it on a trajectory that is similar to that of J1249+36.

Word forms

subdwarfs

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