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Subdwarf

A subdwarf, sometimes denoted by "sd", is a star with luminosity class VI under the Yerkes spectral classification system. They are defined as stars with luminosity 1.5 to 2 magnitudes lower than that of main-sequence stars of the same spectral type. On a Hertzsprung–Russell diagram subdwarfs appear to lie below the main sequence.

Cool (red) subdwarfs, Hot (blue) subdwarfs & Overview

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Overview

Cool (red) subdwarfs

Hot (blue) subdwarfs

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Map overview Semantic statistics

Subdwarf

Nodes86
Edges85
Triples46
Avg. degree1.98
Density0.023256
Components1

How this topic connects Entity context

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Subdwarf

Top relations

related to Subdwarfs of type L, T and Y · 21
Subdwarf → Additionally, All, CaH, Fe, FeH, H-band, J0532, K-band, L-subdwarfs, L-type, M-type, Milky Way, Objects, Only, Sun, The, The L-type, The Sun, This, TiO
related to Cool (red) subdwarfs · 10
Subdwarf → Cool, Like, Milky Way's, Population, Sun, The, These, This, ULAS J131610, Usually
related to Heavy metal subdwarfs · 8
Subdwarf → HE, He-poor, He-rich, It, Known, LS IV-14, Sun, The
related to Hot (blue) subdwarfs · 4
Subdwarf → B-type, Hot, Single, The
related to Examples of cool subdwarfs · 3
Subdwarf → Cassiopeiae2MASS J05325346, Kapteyn's StarGroombridge, SSSPM J1549-3544

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Important terminology

subdwarfs metallicity stars type star spectral first cool hot high dwarf discovered halo low brown extreme lower dwarfs red heavy

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Subdwarfrelated to Cool (red) subdwarfsLike0.60section
Subdwarfrelated to Cool (red) subdwarfsThe0.60section
Subdwarfrelated to Cool (red) subdwarfsThese0.60section
Subdwarfrelated to Cool (red) subdwarfsThis0.60section
Subdwarfrelated to Cool (red) subdwarfsPopulation0.60section
Subdwarfrelated to Cool (red) subdwarfsUsually0.60section
Subdwarfrelated to Cool (red) subdwarfsMilky Way's0.60section
Subdwarfrelated to Cool (red) subdwarfsSun0.60section
Subdwarfrelated to Cool (red) subdwarfsCool0.60section
Subdwarfrelated to Cool (red) subdwarfsULAS J1316100.60section
Subdwarfrelated to Examples of cool subdwarfsKapteyn's StarGroombridge0.60section
Subdwarfrelated to Examples of cool subdwarfsCassiopeiae2MASS J053253460.60section

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