stellar association

stellar association
Astron.
a sparsely populated group of between 10 and 1000 young stars of similar spectral type and common origin that are moving too fast to form a permanent, gravitationally bound system.
Also called association of stars, association. Cf. globular cluster, open cluster.

Useful english dictionary. 2012.

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  • Stellar association — A stellar association is a very loose star cluster, looser than both open clusters and globular clusters. Stellar associations will normally contain from 10 to 100 or more stars. The stars share a common origin, but have become gravitationally… …   Wikipedia

  • stellar association — Astron. a sparsely populated group of between 10 and 1000 young stars of similar spectral type and common origin that are moving too fast to form a permanent, gravitationally bound system. Also called association of stars, association. Cf.… …   Universalium

  • stellar association — žvaigždžių asociacija statusas T sritis fizika atitikmenys: angl. association of stars; stellar association vok. Sternassoziation, f rus. звёздная ассоциация, f pranc. association stellaire, f …   Fizikos terminų žodynas

  • Stellar kinematics — is the study of the movement of stars without needing to understand how they acquired their motion. This differs from stellar dynamics, which takes into account gravitational effects. The motion of a star relative to the Sun can provide useful… …   Wikipedia

  • association — associational, adj. /euh soh see ay sheuhn, shee /, n. 1. an organization of people with a common purpose and having a formal structure. 2. the act of associating or state of being associated. 3. friendship; companionship: Their close association …   Universalium

  • association of stars — žvaigždžių asociacija statusas T sritis fizika atitikmenys: angl. association of stars; stellar association vok. Sternassoziation, f rus. звёздная ассоциация, f pranc. association stellaire, f …   Fizikos terminų žodynas

  • association stellaire — žvaigždžių asociacija statusas T sritis fizika atitikmenys: angl. association of stars; stellar association vok. Sternassoziation, f rus. звёздная ассоциация, f pranc. association stellaire, f …   Fizikos terminų žodynas

  • association of stars. — Astron. See stellar association. * * * …   Universalium

  • association of stars. — Astron. See stellar association …   Useful english dictionary

  • 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

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