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HR 7722 (also known as 5 G. Capricorni or Gliese 785) is a star in the constellation Capricornus. [1]

28 relations: Capricornus, Catalogues of Fundamental Stars, Circumstellar habitable zone, Constellation, Durchmusterung, Gliese Catalogue of Nearby Stars, HD 85512 b, Helium, Henry Draper Catalogue, Hipparcos, HR 7722 b, HR 7722 c, Hydrogen, Light-year, Metallicity, Milky Way, Neptune, Orbital eccentricity, Parsec, Smithsonian Astrophysical Observatory, Solar mass, Solar radius, Star, Star catalogue, Star chart, Stellar kinematics, Variable star, 82 G. Eridani.


Capricornus is one of the constellations of the zodiac.

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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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Circumstellar habitable zone

In astronomy and astrobiology, the circumstellar habitable zone (CHZ), or simply the habitable zone, is the region around a star within which planetary-mass objects with sufficient atmospheric pressure can support liquid water at their surfaces.

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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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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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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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HD 85512 b

HD 85512 b is an exoplanet orbiting Gliese 370, a K-type main-sequence star approximately 36 light-years from Earth in the constellation of Vela.

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Helium is a chemical element with symbol He and atomic number 2.

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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 was a scientific satellite of the European Space Agency (ESA), launched in 1989 and operated until 1993.

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HR 7722 b

HR 7722 b is an exoplanet orbiting the star HR 7722.

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HR 7722 c

HR 7722 c is an exoplanet orbiting the star HR 7722.

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Hydrogen is a chemical element with chemical symbol H and atomic number 1.

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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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In astronomy and physical cosmology, the metallicity or Z, is the fraction of mass of a star or other kind of astronomical object, beyond hydrogen (X) and helium (Y).

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Milky Way

The Milky Way is the galaxy that contains our Solar System.

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Neptune is the eighth and farthest planet from the Sun in the Solar System.

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Orbital eccentricity

The orbital eccentricity of an astronomical object is a parameter that determines the amount by which its orbit around another body deviates from a perfect circle.

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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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Smithsonian Astrophysical Observatory

The Smithsonian Astrophysical Observatory (SAO) is a research institute of the Smithsonian Institution headquartered in Cambridge, Massachusetts, where it is joined with the Harvard College Observatory (HCO) to form the Harvard–Smithsonian Center for Astrophysics (CfA).

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Solar mass

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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Solar radius

Solar radius is a unit of distance used to express the size of stars in astronomy equal to the current radius of the Sun: The solar radius is approximately 695,500 kilometres (432,450 miles), which is about 10 times the average radius of Jupiter, 110 times the radius of the Earth, and 1/215th of an astronomical unit, the distance of Earth from the Sun.

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

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Star catalogue

A star catalogue, or star catalog, is an astronomical catalogue that lists stars.

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Star chart

A star chart or star map is a map of the night sky.

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Stellar kinematics

Stellar kinematics is the study of the movement of stars without needing to understand how they acquired their motion.

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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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82 G. Eridani

82 G. Eridani (HD 20794, HR 1008, e Eridani) is a star about 20 light years away from Earth in the constellation Eridanus.

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Redirects here:

5 G. Capricorni, Gliese 785, HR 7722.


[1] https://en.wikipedia.org/wiki/HD_192310

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