24 relations: Centre de données astronomiques de Strasbourg, Earth radius, Epoch (astronomy), Gliese Catalogue of Nearby Stars, Gravity of Earth, Kelvin, L 97-12, Light-year, Minute and second of arc, Orion (constellation), Parallax, Parsec, Solar mass, Star catalogue, Sun, Surface gravity, The Astronomical Journal, Variable star designation, WD 2359-434, White dwarf, Wolf 489, Year, 1741 Giclas, 2MASS.
The Centre de données astronomiques de Strasbourg (CDS; English translation: Strasbourg Astronomical Data Center) is a data hub which collects and distributes astronomical information.
Earth radius is the distance from the Earth's center to its surface, about.
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In astronomy, an epoch is a moment in time used as a reference point for some time-varying astronomical quantity, such as the celestial coordinates or elliptical orbital elements of a celestial body, because these are subject to perturbations and vary with time.
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The Gliese Catalogue of Nearby Stars is a modern star catalogue of stars located within 25 parsecs (81.54 ly) of the Earth.
The gravity of Earth, which is denoted by, refers to the acceleration that the Earth imparts to objects on or near its surface due to gravity.
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The kelvin is a unit of measure for temperature based upon an absolute scale.
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L 97-12 (or WD 0752-676, or LHS 34, or Gliese 293) is a nearby degenerate star (white dwarf), located in the constellation Volans, the single known component of the system.
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A light-year (abbreviation: ly), sometimes written light year, is a unit of length used informally to express astronomical distances.
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A minute of arc (MOA), arcminute (arcmin) or minute arc is a unit of angular measurement equal to one-sixtieth of one degree.
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Orion is a prominent constellation located on the celestial equator and visible throughout the world.
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Parallax is a displacement or difference in the apparent position of an object viewed along two different lines of sight, and is measured by the angle or semi-angle of inclination between those two lines.
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A parsec (symbol: pc) is a unit of length used to measure the astronomically large distances to objects outside the Solar System.
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The solar mass is a standard unit of mass in astronomy that is used to indicate the masses of other stars, as well as clusters, nebulae and galaxies.
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A star catalogue, or star catalog, is an astronomical catalogue that lists stars.
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The Sun (in Greek: Helios, in Latin: Sol) is the star at the center of the Solar System and is by far the most important source of energy for life on Earth.
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The surface gravity, g, of an astronomical or other object is the gravitational acceleration experienced at its surface.
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The Astronomical Journal (often abbreviated AJ in scientific papers and references) is a peer-reviewed monthly scientific journal owned by the American Astronomical Society and currently published by IOP Publishing.
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Variable stars are designated using a variation on the Bayer designation format of an identifying label (as described below) combined with the Latin genitive of the name of the constellation in which the star lies.
WD 2359-434 (Gliese 915, LHS 1005, L 362-81) is a nearby degenerate star (white dwarf) of spectral class DAP5.8, the single known component of the system, located in the constellation Phoenix, the nearest star in this constellation.
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A white dwarf, also called a degenerate dwarf, is a stellar remnant composed mostly of electron-degenerate matter.
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Wolf 489 (WD 1334+039, LHS 46, G 062-053, Gliese 518) is a nearby degenerate star (white dwarf) of spectral class DZ10.0), the single known component of the system, located in the constellation Virgo.
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A year is the orbital period of the Earth moving in its orbit around the Sun.
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1741 Giclas is the name of an asteroid which was discovered at Goethe Link Observatory near Brooklyn, Indiana by the Indiana Asteroid Program.
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The Two Micron All-Sky Survey (2MASS) was a survey of the whole sky in three infrared wavebands around 2 micrometres (μm): J (1.25 μm), H (1.65 μm), and Ks (2.17 μm).
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