См. также в других словарях:
bolometric magnitude — noun The magnitude of a star in terms of the total amount of radiation received at all wavelengths See Also: absolute magnitude, apparent magnitude … Wiktionary
Absolute magnitude — In astronomy, absolute magnitude (also known as absolute visual magnitude) is the apparent magnitude an object would have if it were at a standard luminosity distance (10 parsecs, 1 AU, or 100 km depending on object type) away from the observer,… … 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
magnitude — magnitudinous /mag ni toohd n euhs, tyoohd /, adj. /mag ni toohd , tyoohd /, n. 1. size; extent; dimensions: to determine the magnitude of an angle. 2. great importance or consequence: affairs of magnitude. 3. greatness of size or amount. 4.… … Universalium
absolute magnitude — noun the apparent magnitude that a star etc. would have if viewed from a distance of 10 parsecs. See Also: apparent magnitude, bolometric magnitude … Wiktionary
apparent magnitude — noun a numerical measure of the brightness of a star, planet etc.; a decrease of 1 unit represents an increase in the light received by a factor of 2.512 See Also … Wiktionary
Barnard's Star — The location of Barnard s Star Observation data Epoch J2000.0 Equinox J2000.0 … Wikipedia
Capella (star) — For other uses, see Capella (disambiguation). Capella Aa/Ab Capella is the brightest star in Auriga Observation data Epoch J2000.0 … Wikipedia
K-type main-sequence star — Hertzsprung–Russell Diagram Spectral Type Br … Wikipedia
Maia (star) — For other uses, see Maia (disambiguation). Maia, 20 Tauri Maia is located in the upper right section of the map. Observation data Epoch J2000 Equinox J2000 … 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
