Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun astronomy A
star that has left themain sequence but has not yet become a true giant star.
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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A large body of evidence points to the existence of an extended, complex coronal magnetosphere originating at the cooler K subgiant
Naturejobs - All Jobs W. M. Peterson 2010
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Here we report multi-epoch radio imaging of the Algol system, in which we see a large, persistent coronal loop approximately one subgiant diameter in height, whose base is straddling the subgiant and whose apex is oriented towards the B8 star.
Naturejobs - All Jobs W. M. Peterson 2010
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The paradox is a result of Algol A being more massive star of the binary pair, yet still a main sequence star, while the less massive Algol B has already reached the subgiant stage in its evolution.
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The close binary Algol system contains a radio-bright KIV subgiant star in a very close (0.062 astronomical units) and rapid (2.86 day) orbit with a main sequence B8 star.
Naturejobs - All Jobs W. M. Peterson 2010
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The close binary Algol system contains a radio-bright KIV subgiant star in a very close (0.062 astronomical units) and rapid (2.86 day) orbit with a main sequence B8 star.
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The paradox is a result of Algol A being more massive star of the binary pair, yet still a main sequence star, while the less massive Algol B has already reached the subgiant stage in its evolution.
Conservapedia - Recent changes [en] BMcP 2010
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Algol B (Beta Persei B) is a orange-red subgiant star of spectral class K0-2 IV.
Conservapedia - Recent changes [en] BMcP 2010
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Eventually, perhaps 10 or 100 million years from now, subgiant stars like HD 200964 and 24
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As a subgiant, the star is also 3.4 times as luminous as our Sun.
Conservapedia - Recent changes [en] BMcP 2010
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Here we report multi-epoch radio imaging of the Algol system, in which we see a large, persistent coronal loop approximately one subgiant diameter in height, whose base is straddling the subgiant and whose apex is oriented towards the B8 star.
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