spectral classes of stars

spectral classes of stars
спектральная классификация звезд

English-russian astronautics dictionary. - M.: Military Publishing house. . 1964.

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  • spectral class — spectral class, any one of the classes into which stars are divided on the basis of their spectra. Spectral classes range from very hot blue stars to very cool red stars …   Useful english dictionary

  • spectral type — noun : the type of a star according to a description of its spectrum by means of 10 principal spectral classes, decimal subdivisions of the classes, and symbols indicating special characteristics (as e for stars with bright lines, d for dwarfs,… …   Useful english dictionary

  • Stars and planetary systems in fiction — The planetary systems of stars other than the Sun and the Solar System are a staple element in much science fiction. Contents 1 Overview 1.1 The brightest stars …   Wikipedia

  • spectral classification — /ˌspɛktrəl klæsəfəˈkeɪʃən/ (say .spektruhl klasuhfuh kayshuhn) noun a method of classifying stars, according to their emission spectra, into ten major classes …  

  • List of nearest stars — Artist s conception of a red dwarf star, the most common type of star in the Sun s stellar neighborhood, and in the universe. Although termed a red dwarf, the surface temperature of this star would give it an orange hue when viewed from close… …   Wikipedia

  • List of most massive stars — This is a list of the most massive stars so far discovered. The list is ordered by solar mass (1 solar mass = the mass of Earth s Sun). Stellar mass is the most important attribute of a star. Combined with chemical compositions, mass determines a …   Wikipedia

  • Stellar classification — In astronomy, stellar classification is a classification of stars based on their spectral characteristics. The spectral class of a star is a designated class of a star describing the ionization of its chromosphere, what atomic excitations are… …   Wikipedia

  • Main sequence — A Hertzsprung Russell diagram plots the actual brightness (or absolute magnitude) of a star against its color index (represented as B V). The main sequence is visible as a prominent diagonal band that runs from the upper left to the lower right.… …   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

  • Star — For other uses, see Star (disambiguation) …   Wikipedia

  • star cluster — Astron. a number of stars of common origin held together as a group by gravitational attraction. Cf. globular cluster, open cluster, stellar association. * * * ▪ astronomy Introduction  either of two general types of stellar assemblages held… …   Universalium


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