Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun astronomy A star that is dimmer than a main sequence star of same temperature. They are located below the main sequence in the Hertzsprung-Russell diagram.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

sub- +‎ dwarf

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Examples

  • 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.

    Zee News : India National 2009

  • “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

  • The star in question, KIC 05807616, has a rather interesting description: "a seemingly isolated pulsating hot B subdwarf."

    Ars Technica John Timmer 2011

  • 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

  • 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

  • It belongs to a class of stars known as helium-rich hot subdwarf stars, researchers said.

    Yahoo! News: Business - Opinion 2010

  • The team also suggests that the star is shrinking from being a bright cool giant to a faint hot subdwarf.

    Yahoo! News: Business - Opinion 2010

  • 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 - Calendar of Events 2009

  • 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

  • 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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