Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun astronomy A
star that is dimmer than amain sequence star of same temperature. They are located below the main sequence in theHertzsprung-Russell diagram .
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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ULAS1350 has been classified as a subdwarf of type L and is the fifth of its class to be discovered to date and the first one confirmed by the GTC.
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“Hera is the third planet of 492 Lyncis, a class G-2 subdwarf star approximately twelve hundred and seventeen light-years from Earth,” Data said.
Infiltrator W.R. Thompson 1996
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The star in question, KIC 05807616, has a rather interesting description: "a seemingly isolated pulsating hot B subdwarf."
Ars Technica John Timmer 2011
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We propose a SNAP-style program of single orbit FGS TRANS mode observations of very massive stars in the cluster NGC 3603, luminous blue variables, nearby low mass main sequence stars, cool subdwarf stars, and white dwarfs.
SpaceRef Top Stories 2010
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We propose a SNAP-style program of single orbit FGS TRANS mode observations of very massive stars in the cluster NGC 3603, luminous blue variables, nearby low mass main sequence stars, cool subdwarf stars, and white dwarfs.
SpaceRef Top Stories 2010
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It belongs to a class of stars known as helium-rich hot subdwarf stars, researchers said.
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The team also suggests that the star is shrinking from being a bright cool giant to a faint hot subdwarf.
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We propose a SNAP-style program of single orbit FGS TRANS mode observations of very massive stars in the cluster NGC 3603, luminous blue variables, nearby low mass main sequence stars, cool subdwarf stars, and white dwarfs.
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X-ray bright systems, (5) find binaries among ancient and nearby subdwarf stars, and (6) help calibrate the white dwarf mass - radius relation.
SpaceRef Top Stories 2009
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SNAP-style program of single orbit FGS TRANS mode observations of very massive stars in the cluster NGC 3603, luminous blue variables, nearby low mass main sequence stars, cool subdwarf stars, and white dwarfs.
SpaceRef Top Stories 2009
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