- spectrum-luminosity diagram
- noun
: a graph with the spectral type of each star plotted as the abscissa and the absolute magnitude as the ordinate
Useful english dictionary. 2012.
spectrum-luminosity diagram
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hertzsprung-russell diagram — ˈhertˌspru̇ŋˈrəsəl noun Usage: usually capitalized H&R Etymology: after Ejnar Hertzsprung died 1967 Dan. astronomer and Henry Norris Russell died 1957 American astrophysicist : spectrum luminosity diagram * * * /hairt sproong rus euhl/, Astron.… … Useful english dictionary
Color–color diagram — In astronomy, color–color diagrams are a means of comparing the apparent magnitudes of stars at different wavelengths. Astronomers typically observe at narrow bands around certain wavelengths, and objects observed will have different brightnesses … Wikipedia
Visible spectrum — White light is dispersed by a prism into the colors of the optical spectrum. The visible spectrum is the portion of the electromagnetic spectrum that is visible to (can be detected by) the human eye … Wikipedia
star — starless, adj. /stahr/, n., adj., v., starred, starring. n. 1. any of the heavenly bodies, except the moon, appearing as fixed luminous points in the sky at night. 2. Astron. any of the large, self luminous, heavenly bodies, as the sun, Polaris,… … Universalium
red dwarf — noun a small, old, relatively cool star; approximately 100 times the mass of Jupiter • Syn: ↑red dwarf star • Hypernyms: ↑star • Hyponyms: ↑flare star * * * noun : a star at the lower end of the main sequence in the spectrum luminosity diagram h … Useful english dictionary
Hyades — Synonyms and related words: Atlantides, Beehive, Cepheid variable, Hertzsprung Russell diagram, Messier catalog, NGC, Napaea, Pleiades, Seven Sisters, absolute magnitude, binary star, black hole, double star, dryad, dwarf star, fixed star, flower … Moby Thesaurus
Pleiades — Synonyms and related words: Atlantides, Beehive, Cepheid variable, Hertzsprung Russell diagram, Hyades, Messier catalog, NGC, Napaea, Seven Sisters, absolute magnitude, binary star, black hole, double star, dryad, dwarf star, fixed star, flower… … Moby Thesaurus
black hole — Synonyms and related words: Beehive, Cepheid variable, Hertzsprung Russell diagram, Hyades, Messier catalog, NGC, POW camp, Pleiades, Seven Sisters, absolute magnitude, bastille, binary star, borstal, borstal institution, bridewell, brig, cell,… … Moby Thesaurus
magnitude — Synonyms and related words: Beehive, Cepheid variable, Hertzsprung Russell diagram, Hyades, Messier catalog, NGC, Pleiades, Seven Sisters, absolute magnitude, amount, ampleness, amplitude, area, bigness, binary star, black hole, body,… … Moby Thesaurus
nova — Synonyms and related words: Beehive, Cepheid variable, Hertzsprung Russell diagram, Hyades, Messier catalog, NGC, Pleiades, Seven Sisters, absolute magnitude, binary star, black hole, double star, dwarf star, fixed star, giant star, globular… … Moby Thesaurus
