Synonymer & Information om | Engelska ordet SUBDWARF

Exempel på hur man kan använda SUBDWARF i en mening

• 2MASS J0532+8246 was discovered in 2003 as the first L-type subdwarf, The L-type subdwarfs have subtypes similar to M-type subdwarfs: The subtypes subdwarf (sd), extreme subdwarfs (esd) and ultra subdwarfs (usd), which are defined by their decreasing metallicity, compared to solar metallicity, which is defined on a logarithmic scale:.
• It is a yellow-hued class G8 subdwarf catalogued by British astronomer Stephen Groombridge with the Groombridge Transit Circle between 1806 and the 1830s and published posthumously in his star catalog, Catalogue of Circumpolar Stars (1838).
• Mu Cassiopeiae is given as a standard star for the spectral class G5Vb, although it is frequently described as a subdwarf, meaning it has a luminosity below that expected for a G5 main sequence star.
• 2MASS J05325346+8246465 (abbreviated 2MASS J0532+8246) is possibly the first brown dwarf observed in the galactic halo of the Milky Way, and the first known substellar subdwarf star.
• 2MASS J19383260+4603591 is the close binary system of a subdwarf B and a red dwarf star, which is orbited by the circumbinary planets Kepler-451b, Kepler-451c and Kepler-451d.
• Specializing in the modeling of stellar atmospheres, his principal contributions focused on the photospheres of subdwarf and white dwarf stars, the spectral evolution of white dwarfs and the astroseismology of stellar remnants.
• At the center there is an evolved G-type star (IN Comae Berenices) that is often classified as a giant star or a subgiant, as well as a hot O-type subdwarf or white dwarf that is responsible for ionizing the nebula.

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