Logo
Unionpedia
Communication
Get it on Google Play
New! Download Unionpedia on your Android™ device!
Download
Faster access than browser!
 

HD 220466

Index HD 220466

HD 220466 is a F-type subgiant or main sequence star in the constellation Aquarius. [1]

18 relations: Apparent magnitude, Aquarius (constellation), Catalog of Components of Double and Multiple Stars, Centre de données astronomiques de Strasbourg, Double star, Durchmusterung, Epoch (astronomy), Henry Draper Catalogue, Hipparcos, International Celestial Reference System, Light-year, Main sequence, Minute and second of arc, Smithsonian Astrophysical Observatory Star Catalog, Star, Stellar classification, Subgiant, Washington Double Star Catalog.

Apparent magnitude

The apparent magnitude of a celestial object is a number that is a measure of its brightness as seen by an observer on Earth.

New!!: HD 220466 and Apparent magnitude · See more »

Aquarius (constellation)

Aquarius is a constellation of the zodiac, situated between Capricornus and Pisces.

New!!: HD 220466 and Aquarius (constellation) · See more »

Catalog of Components of Double and Multiple Stars

The Catalog of Components of Double and Multiple Stars, or CCDM, is an astrometric star catalogue of double and multiple stars.

New!!: HD 220466 and Catalog of Components of Double and Multiple Stars · See more »

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.

New!!: HD 220466 and Centre de données astronomiques de Strasbourg · See more »

Double star

In observational astronomy, a double star or visual double is a pair of stars that appear close to each other in the sky as seen from Earth when viewed through an optical telescope.

New!!: HD 220466 and Double star · See more »

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.

New!!: HD 220466 and Durchmusterung · See more »

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.

New!!: HD 220466 and Epoch (astronomy) · See more »

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.

New!!: HD 220466 and Henry Draper Catalogue · See more »

Hipparcos

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

New!!: HD 220466 and Hipparcos · See more »

International Celestial Reference System

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

New!!: HD 220466 and International Celestial Reference System · See more »

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.

New!!: HD 220466 and Light-year · See more »

Main sequence

In astronomy, the main sequence is a continuous and distinctive band of stars that appear on plots of stellar color versus brightness.

New!!: HD 220466 and Main sequence · See more »

Minute and second of arc

A minute of arc, arcminute (arcmin), arc minute, or minute arc is a unit of angular measurement equal to of one degree.

New!!: HD 220466 and Minute and second of arc · See more »

Smithsonian Astrophysical Observatory Star Catalog

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

New!!: HD 220466 and Smithsonian Astrophysical Observatory Star Catalog · See more »

Star

A star is type of astronomical object consisting of a luminous spheroid of plasma held together by its own gravity.

New!!: HD 220466 and Star · See more »

Stellar classification

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

New!!: HD 220466 and Stellar classification · See more »

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 true giant stars.

New!!: HD 220466 and Subgiant · See more »

Washington Double Star Catalog

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

New!!: HD 220466 and Washington Double Star Catalog · See more »

Redirects here:

HIC 115522, HIP 115522, I 1058AB, SAO 191873.

References

[1] https://en.wikipedia.org/wiki/HD_220466

OutgoingIncoming
Hey! We are on Facebook now! »