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8 Aquarii

Index 8 Aquarii

8 Aquarii (abbreviated 8 Aqr) is a blue-white sub-giant of the spectral class A4IV in the constellation Aquarius. [1]

Table of Contents

  1. 13 relations: Aquarius (constellation), Constellation, Durchmusterung, Flamsteed designation, Henry Draper Catalogue, Hipparcos, Light-year, Smithsonian Astrophysical Observatory Star Catalog, Solar mass, Stellar classification, Stellar parallax, Subgiant, Sun.

  2. Subgiant-star stubs

Aquarius (constellation)

Aquarius is an equatorial constellation of the zodiac, between Capricornus and Pisces.

See 8 Aquarii and Aquarius (constellation)

Constellation

A constellation is an area on the celestial sphere in which a group of visible stars forms a perceived pattern or outline, typically representing an animal, mythological subject, or inanimate object.

See 8 Aquarii and Constellation

Durchmusterung

In astronomy, Durchmusterung or Bonner Durchmusterung (BD) is an astrometric star catalogue of the whole sky, published by the Bonn Observatory in Germany from 1859 to 1863, with an extension published in Bonn in 1886.

See 8 Aquarii and Durchmusterung

Flamsteed designation

A Flamsteed designation is a combination of a number and constellation name that uniquely identifies most naked eye stars in the modern constellations visible from southern England.

See 8 Aquarii and Flamsteed designation

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. 8 Aquarii and Henry Draper Catalogue are Henry Draper Catalogue objects.

See 8 Aquarii and Henry Draper Catalogue

Hipparcos

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

See 8 Aquarii and Hipparcos

Light-year

A light-year, alternatively spelled light year (ly or lyr), is a unit of length used to express astronomical distances and is equal to exactly 9,460,730,472,580.8 km (Scientific notation: 9.4607304725808 × 1012 km), which is approximately 5.88 trillion mi.

See 8 Aquarii and Light-year

Smithsonian Astrophysical Observatory Star Catalog

The Smithsonian Astrophysical Observatory Star Catalog is an astrometric star catalogue, created by Smithsonian Institution, a research institute.

See 8 Aquarii and Smithsonian Astrophysical Observatory Star Catalog

Solar mass

The solar mass is a standard unit of mass in astronomy, equal to approximately.

See 8 Aquarii and Solar mass

Stellar classification

In astronomy, stellar classification is the classification of stars based on their spectral characteristics.

See 8 Aquarii and Stellar classification

Stellar parallax

Stellar parallax is the apparent shift of position (parallax) of any nearby star (or other object) against the background of distant stars.

See 8 Aquarii and Stellar parallax

Subgiant

A subgiant is a star that is brighter than a normal main-sequence star of the same spectral class, but not as bright as giant stars.

See 8 Aquarii and Subgiant

Sun

The Sun is the star at the center of the Solar System.

See 8 Aquarii and Sun

See also

Subgiant-star stubs

References

[1] https://en.wikipedia.org/wiki/8_Aquarii

Also known as 8 Aqr.