low luminosity stars

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• Low-ionization nuclear emission-line region — cite journal author= L. C. Ho, A. V. Filippenko, W. L. W. Sargent title=A Search for Dwarf Seyfert Nuclei. III. Spectroscopic Parameters and Properties of the Host Galaxies journal=Astrophysical Journal Supplement year=1997 volume=112… …   Wikipedia

• 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 luminous stars — Below is a list of stars arranged in order of decreasing luminosity (increasing bolometric magnitude). Accurate measurement of stellar luminosities is quite difficult in practice, even when the apparent magnitude is measured accurately, for three …   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

• Milky Way Galaxy — Large spiral galaxy (roughly 150,000 light years in diameter) that contains Earth s solar system. It includes the multitude of stars whose light is seen as the Milky Way, the irregular luminous band that encircles the sky defining the plane of… …   Universalium

• White dwarf — For other uses, see White dwarf (disambiguation). Image of Sirius A and Sirius B taken by the Hubble Space Telescope. Sirius B, which is a white dwarf, can be seen as a faint pinprick of light to the lower left of the much brighter Sirius A …   Wikipedia

• Brown dwarf — Brown dwarfs are sub stellar objects which are too low in mass to sustain hydrogen 1 fusion reactions in their cores, which is characteristic of stars on the main sequence. Brown dwarfs have fully convective surfaces and interiors, with no… …   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

• Teegarden's star — Starbox begin name=Teegarden s star Starbox observe epoch=J2000 constell=Aries ra=02h 53m 00.9s dec=+16° 52 53 appmag v=15.4 Starbox character class=M6.5V r i = v r = b v= u b= variable= Starbox astrometry radial v= prop mo ra=+239.27 prop mo dec …   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

• Max Wolf — This article is about the German astronomer Max Wolf. For the Czech astronomer, see Marek Wolf. Max Wolf Max Wolf Born …   Wikipedia