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55 relations: Absolute magnitude, Astronomy & Astrophysics, Astronomy Now, Beta Librae, Black body, BY Draconis variable, Centre de données astronomiques de Strasbourg, Circumstellar habitable zone, Durchmusterung, Earth, Eduard Schönfeld, Extrasolar Planets Encyclopaedia, General Catalogue of Variable Stars, Georgia State University, Gliese 581 planetary system, Gliese 581b, Gliese 581c, Gliese 581d, Gliese 581e, Gliese 581g, Gliese 876, Gliese Catalogue of Nearby Stars, Goldilocks principle, Habitability of red dwarf systems, Hipparcos, Infrared, Libra (constellation), Light-year, List of exoplanets, Luminosity, MOST (satellite), Nanometre, Orders of magnitude (time), Parsec, Planetary system, Procyon, Publications of the Astronomical Society of the Pacific, Red dwarf, Research Consortium On Nearby Stars, Science (journal), Scientific American, Sirius, Solar luminosity, Star catalogue, Star system, Starspot, Stellar classification, Sternberg Astronomical Institute, Sun, The Astronomical Journal, ..., The Astrophysical Journal, Variable star, Variable star designation, Washington University in St. Louis, Wien's displacement law. Expand index (5 more) »
Absolute magnitude
Absolute magnitude is a measure of the luminosity of a celestial object, on a logarithmic astronomical magnitude scale.
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Astronomy & Astrophysics
Astronomy & Astrophysics is a peer-reviewed scientific journal covering theoretical, observational, and instrumental astronomy and astrophysics.
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Astronomy Now
Astronomy Now is a monthly British magazine on astronomy and space.
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Beta Librae
Beta Librae (β Librae, abbreviated Beta Lib, β Lib), also named Zubeneschamali, is (despite its 'beta' designation) the brightest star in the zodiac constellation of Libra.
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Black body
A black body is an idealized physical body that absorbs all incident electromagnetic radiation, regardless of frequency or angle of incidence.
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BY Draconis variable
BY Draconis variables are variable stars of late spectral types, usually K or M, and typically belong to the main sequence.
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Centre de données astronomiques de Strasbourg
The Centre de Données astronomiques de Strasbourg (CDS; English translation: Strasbourg Astronomical Data Center) is a data hub which collects and distributes astronomical information.
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Circumstellar habitable zone
In astronomy and astrobiology, the circumstellar habitable zone (CHZ), or simply the habitable zone, is the range of orbits around a star within which a planetary surface can support liquid water given sufficient atmospheric pressure.
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Durchmusterung
In astronomy, Durchmusterung or Bonner Durchmusterung (BD), is the comprehensive astrometric star catalogue of the whole sky, compiled by the Bonn Observatory (Germany) from 1859 to 1903.
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Earth
Earth is the third planet from the Sun and the only astronomical object known to harbor life.
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Eduard Schönfeld
Eduard Schönfeld (December 22, 1828 – May 1, 1891) was a German astronomer.
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Extrasolar Planets Encyclopaedia
The Extrasolar Planets Encyclopaedia is an astronomy website, founded in Paris, France at the Meudon Observatory by Jean Schneider in February 1995, which maintains a database of all the currently known and candidate extrasolar planets, with individual pages for each planet and a full list interactive catalog spreadsheet.
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General Catalogue of Variable Stars
The General Catalogue of Variable Stars (GCVS) is a list of variable stars.
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Georgia State University
Georgia State University (commonly referred to as Georgia State, State, or GSU) is a public research university in downtown Atlanta, Georgia, United States.
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Gliese 581 planetary system
The Gliese 581 planetary system is the gravitationally bound system comprising the star Gliese 581 and the objects that orbit it.
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Gliese 581b
Gliese 581b or Gl 581b is an extrasolar planet orbiting within the Gliese 581 system.
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Gliese 581c
Gliese 581c or Gl 581c is a planet orbiting within the Gliese 581 system.
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Gliese 581d
Gliese 581d (often shortened to Gl 581d or GJ 581d) is a possible extrasolar planet orbiting within the Gliese 581 system, approximately 20.4 light-years away in the Libra constellation.
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Gliese 581e
Gliese 581e or Gl 581e is an extrasolar planet orbiting within the Gliese 581 system, located approximately 20.4 light-years away from Earth in the Libra constellation.
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Gliese 581g
Gliese 581g, unofficially known as Zarmina (or Zarmina's World), is an unconfirmed (and frequently disputed) exoplanet claimed to orbit within the Gliese 581 system, twenty light-years from Earth.
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Gliese 876
Gliese 876 is a red dwarf approximately 15 light-years away from Earth in the constellation of Aquarius.
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Gliese Catalogue of Nearby Stars
The Gliese Catalogue of Nearby Stars is a modern star catalogue of stars located within 25 parsecs (81.54 ly) of the Earth.
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Goldilocks principle
The Goldilocks principle is named by analogy to the children's story The Three Bears, in which a little girl named Goldilocks tastes three different bowls of porridge, and she finds that she prefers porridge which is neither too hot nor too cold, but has just the right temperature.
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Habitability of red dwarf systems
The habitability of red dwarf systems is determined by a large number of factors from a variety of sources.
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Hipparcos
Hipparcos was a scientific satellite of the European Space Agency (ESA), launched in 1989 and operated until 1993.
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Infrared
Infrared radiation (IR) is electromagnetic radiation (EMR) with longer wavelengths than those of visible light, and is therefore generally invisible to the human eye (although IR at wavelengths up to 1050 nm from specially pulsed lasers can be seen by humans under certain conditions). It is sometimes called infrared light.
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Libra (constellation)
Libra is a constellation of the zodiac.
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Light-year
The light-year is a unit of length used to express astronomical distances and measures about 9.5 trillion kilometres or 5.9 trillion miles.
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List of exoplanets
This is a list of exoplanets.
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Luminosity
In astronomy, luminosity is the total amount of energy emitted per unit of time by a star, galaxy, or other astronomical object.
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MOST (satellite)
The Microvariability and Oscillations of STars telescope, better known simply as MOST, is Canada's first space telescope.
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Nanometre
The nanometre (International spelling as used by the International Bureau of Weights and Measures; SI symbol: nm) or nanometer (American spelling) is a unit of length in the metric system, equal to one billionth (short scale) of a metre (m).
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Orders of magnitude (time)
An order of magnitude of time is (usually) a decimal prefix or decimal order-of-magnitude quantity together with a base unit of time, like a microsecond or a million years.
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Parsec
The parsec (symbol: pc) is a unit of length used to measure large distances to astronomical objects outside the Solar System.
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Planetary system
A planetary system is a set of gravitationally bound non-stellar objects in or out of orbit around a star or star system.
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Procyon
Procyon, also designated Alpha Canis Minoris (α Canis Minoris, abbreviated Alpha CMi, α CMi), is the brightest star in the constellation of Canis Minor.
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Publications of the Astronomical Society of the Pacific
Publications of the Astronomical Society of the Pacific (often abbreviated as PASP in references and literature) is a monthly peer-reviewed scientific journal managed by the Astronomical Society of the Pacific.
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Red dwarf
A red dwarf (or M dwarf) is a small and relatively cool star on the main sequence, of M spectral type.
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Research Consortium On Nearby Stars
The REsearch Consortium On Nearby Stars (RECONS) is an international group of astronomers founded in 1994 to investigate the stars nearest to the Solar System - with a focus on those within 10 parsecs (32.6 light years), but as of 2012 stretching the horizon to 25 parsecs.
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Science (journal)
Science, also widely referred to as Science Magazine, is the peer-reviewed academic journal of the American Association for the Advancement of Science (AAAS) and one of the world's top academic journals.
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Scientific American
Scientific American (informally abbreviated SciAm) is an American popular science magazine.
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Sirius
Sirius (a romanization of Greek Σείριος, Seirios,."glowing" or "scorching") is a star system and the brightest star in the Earth's night sky.
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Solar luminosity
The solar luminosity,, is a unit of radiant flux (power emitted in the form of photons) conventionally used by astronomers to measure the luminosity of stars, galaxies and other celestial objects in terms of the output of the Sun.
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Star catalogue
A star catalogue (Commonwealth English) or star catalog (American English), is an astronomical catalogue that lists stars.
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Star system
A star system or stellar system is a small number of stars that orbit each other, bound by gravitational attraction.
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Starspot
Starspots are stellar phenomena.
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Stellar classification
In astronomy, stellar classification is the classification of stars based on their spectral characteristics.
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Sternberg Astronomical Institute
The Sternberg Astronomical Institute (Государственный астрономический институт имени Штернберга in Russian), also known as GAISh (ГАИШ), is a research institution in Moscow, Russia, a division of Moscow State University.
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Sun
The Sun is the star at the center of the Solar System.
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The Astronomical Journal
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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The Astrophysical Journal
The Astrophysical Journal, often abbreviated ApJ (pronounced "ap jay") in references and speech, is a peer-reviewed scientific journal of astrophysics and astronomy, established in 1895 by American astronomers George Ellery Hale and James Edward Keeler.
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Variable star
A variable star is a star whose brightness as seen from Earth (its apparent magnitude) fluctuates.
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Variable star designation
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.
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Washington University in St. Louis
Washington University in St.
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Wien's displacement law
Wien's displacement law states that the black body radiation curve for different temperatures peaks at a wavelength inversely proportional to the temperature.
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Redirects here:
BD -07 4003, BD −07 4003, BD-07 4003, BD−07 4003, GJ 581, GJ581, Gilese 581, Gl 581, Gl 581 a, Gl581, Gleisa 581, Gleise 581, Gliesa 581, Gliese 581 a, Gliese 581a, Glieser 581, HIP 74995, HO Lib, HO Librae, LFT 1195, LHS 394, LPM 564, LTT 6112, M3 GJ581, NLTT 39886, Wolf 562.
References
[1] https://en.wikipedia.org/wiki/Gliese_581
