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Beta Coronae Borealis

Beta Coronae Borealis (Beta CrB, β Coronae Borealis, β CrB), which has the traditional name Nusakan, is the second brightest star in the constellation of Corona Borealis. [1]

43 relations: Alpha Coronae Borealis, Alpha² Canum Venaticorum variable, Antoine Émile Henry Labeyrie, Apparent magnitude, Bayer designation, Binary star, Boss General Catalogue, Bright Star Catalogue, Catalogues of Fundamental Stars, Centre de données astronomiques de Strasbourg, Chinese language, Constellation, Corona Borealis, Delta Coronae Borealis, Durchmusterung, Epoch (astronomy), Epsilon Coronae Borealis, Flamsteed designation, Gamma Coronae Borealis, Heavenly Market enclosure, Henry Draper Catalogue, Hipparcos, Infrared, Interferometry, International Celestial Reference System, Iota Coronae Borealis, Jupiter mass, Lick Observatory, Light-year, Luminosity, Minute and second of arc, Palomar Observatory, Pi Coronae Borealis, Rapidly oscillating Ap star, Rho Coronae Borealis, SIMBAD, Smithsonian Astrophysical Observatory Star Catalog, Speckle imaging, Star, Theta Coronae Borealis, United States Naval Observatory, Washington Double Star Catalog, Year.

Alpha Coronae Borealis

Alpha Coronae Borealis (α CrB, α Coronae Borealis, Alphecca) is a binary star in the constellation Corona Borealis.

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Alpha² Canum Venaticorum variable

An Alpha2 Canum Venaticorum variable (or α2 CVn variable) is a type of variable star.

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Antoine Émile Henry Labeyrie

Antoine Émile Henry Labeyrie (born 12 May 1943) is a French astronomer, who held the Observational astrophysics chair at the Collège de France between 1991 and 2014.

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Apparent magnitude

The apparent magnitude (m) of a celestial object is a measure of its brightness as seen by an observer on Earth, adjusted to the value it would have in the absence of the atmosphere.

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Bayer designation

A Bayer designation is a stellar designation in which a specific star is identified by a Greek letter, followed by the genitive form of its parent constellation's Latin name.

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Binary star

A binary star is a star system consisting of two stars orbiting around their common center of mass.

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Boss General Catalogue

Boss General Catalogue (GC, sometimes General Catalogue) is an astronomical catalogue containing 33,342 stars.

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Bright Star Catalogue

The Bright Star Catalogue, also known as the Yale Catalogue of Bright Stars or Yale Bright Star Catalogue, is a star catalogue that lists all stars of stellar magnitude 6.5 or brighter, which is roughly every star visible to the naked eye from Earth.

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Catalogues of Fundamental Stars

The Catalogue of Fundamental Stars is a series of six astrometric catalogues of high precision positional data for a small selection of stars to define a celestial reference frame, which is a standard coordinate system for measuring positions of stars.

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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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Chinese language

Chinese (汉语 / 漢語; Hànyǔ or 中文; Zhōngwén) is a group of related but in many cases mutually unintelligible language varieties, forming a branch of the Sino-Tibetan language family.

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Constellation

In modern astronomy, a constellation is a specific area of the celestial sphere as defined by the International Astronomical Union (IAU).

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Corona Borealis

Corona Borealis is a small constellation in the Northern Celestial Hemisphere.

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Delta Coronae Borealis

Delta Coronae Borealis (δ CrB) is a star in the constellation Corona Borealis.

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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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Epoch (astronomy)

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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Epsilon Coronae Borealis

Epsilon Coronae Borealis (ε CrB) is a multiple star system in the constellation Corona Borealis located around 230 light-years from the Solar System.

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Flamsteed designation

Flamsteed designations for stars are similar to Bayer designations, except that they use numbers instead of Greek and Roman letters.

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Gamma Coronae Borealis

Gamma Coronae Borealis (γ CrB) is a star in the constellation Corona Borealis.

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Heavenly Market enclosure

The Heavenly Market Enclosure (天市垣, Tian Shi Yuan), is one of the San Yuan or Three enclosures.

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Henry Draper Catalogue

The Henry Draper Catalogue (HD) is an astronomical star catalogue published between 1918 and 1924, giving spectroscopic classifications for 225,300 stars; it was later expanded by the Henry Draper Extension (HDE), published between 1925 and 1936, which gave classifications for 46,850 more stars, and by the Henry Draper Extension Charts (HDEC), published from 1937 to 1949 in the form of charts, which gave classifications for 86,933 more stars.

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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 (IR) is invisible radiant energy, electromagnetic radiation with longer wavelengths than those of visible light, extending from the nominal red edge of the visible spectrum at 700 nanometers (frequency 430 THz) to 1 mm (300 GHz) (although people can see infrared up to at least 1050 nm in experiments).

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Interferometry

Interferometry is a family of techniques in which waves, usually electromagnetic, are superimposed in order to extract information about the waves.

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International Celestial Reference System

The International Celestial Reference System (ICRS) is the current standard celestial reference system adopted by the International Astronomical Union (IAU).

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Iota Coronae Borealis

Iota Coronae Borealis (ι CrB) is a star in the constellation Corona Borealis.

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Jupiter mass

Jupiter mass is the unit of mass equal to the total mass of the planet Jupiter (317.83 Earth mass; one Earth mass equals 0.00315 Jupiter masses).

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Lick Observatory

The Lick Observatory is an astronomical observatory, owned and operated by the University of California.

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Light-year

A light-year (abbreviation: ly), sometimes written light year, is a unit of length used informally to express astronomical distances.

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Luminosity

In astronomy, luminosity is the total amount of energy emitted by a star, galaxy, or other astronomical object per unit time.

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Minute and second of arc

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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Palomar Observatory

Palomar Observatory is an astronomical observatory located in San Diego County, California, United States, southeast of Los Angeles, California, in the Palomar Mountain Range.

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Pi Coronae Borealis

Pi Coronae Borealis (π CrB) is an orange giant star in the constellation Corona Borealis.

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Rapidly oscillating Ap star

Rapidly oscillating Ap stars (roAp stars) are a subtype of the Ap star class that exhibit short-timescale rapid photometric or radial velocity variations.

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Rho Coronae Borealis

Rho Coronae Borealis (ρ CrB, ρ Coronae Borealis) is a Solar twin, yellow dwarf star approximately 57 light-years away in the constellation of Corona Borealis.

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SIMBAD

SIMBAD (the Set of Identifications, Measurements, and Bibliography for Astronomical Data) is an astronomical database of objects beyond the Solar System.

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Smithsonian Astrophysical Observatory Star Catalog

The Smithsonian Astrophysical Observatory Star Catalog is an astrometric star catalogue.

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Speckle imaging

Image:Zeta_bootis_short_exposure.png|Typical short-exposure image of a binary star (Zeta Bootis in this case) as seen through atmospheric seeing.

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Star

A star is a luminous sphere of plasma held together by its own gravity.

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Theta Coronae Borealis

Theta Coronae Borealis (θ CrB) is a binary star system in the constellation Corona Borealis.

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United States Naval Observatory

The United States Naval Observatory (USNO) is one of the oldest scientific agencies in the United States, with a primary mission to produce Positioning, Navigation and Timing (PNT) for the United States Navy and the United States Department of Defense.

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Washington Double Star Catalog

The Washington Double Star Catalog, or WDS, is a catalog of double stars, maintained at the United States Naval Observatory.

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Year

A year is the orbital period of the Earth moving in its orbit around the Sun.

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Redirects here:

3 Coronae Borealis, 3 CrB, BD +29 2670, BD+29 2670, Beta Coronae borealis, Beta CrB, CCDM J15278+2906AB, FK5 572, GC 20795, HD 137909, HIP 75695, HR 5747, IDS 15237+2927 AB, Nusakan, PECULIAR ROSETTA STONE, PECULIAR ROSETTE STONE, PPM 104044, Peculiar Rosetta Stone, Peculiar Rosette Stone, SAO 83831, Β Coronae Borealis, Β CrB.

References

[1] https://en.wikipedia.org/wiki/Beta_Coronae_Borealis

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