Faster access than browser!
14 relations: Apparent magnitude, Bright Star Catalogue, Carina (constellation), Constellation, Durchmusterung, Earth, Epoch (astronomy), Henry Draper Catalogue, Hipparcos, Light-year, Main sequence, Smithsonian Astrophysical Observatory Star Catalog, Star, Stellar classification.
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 73390 and Apparent magnitude · See more »
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.
New!!: HD 73390 and Bright Star Catalogue · See more »
Carina (constellation)
Carina is a constellation in the southern sky.
New!!: HD 73390 and Carina (constellation) · See more »
Constellation
A constellation is a group of stars that are considered to form imaginary outlines or meaningful patterns on the celestial sphere, typically representing animals, mythological people or gods, mythological creatures, or manufactured devices.
New!!: HD 73390 and Constellation · 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 73390 and Durchmusterung · See more »
Earth
Earth is the third planet from the Sun and the only astronomical object known to harbor life.
New!!: HD 73390 and Earth · 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 73390 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 73390 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 73390 and Hipparcos · 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 73390 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 73390 and Main sequence · See more »
Smithsonian Astrophysical Observatory Star Catalog
The Smithsonian Astrophysical Observatory Star Catalog is an astrometric star catalogue.
New!!: HD 73390 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 73390 and Star · See more »
Stellar classification
In astronomy, stellar classification is the classification of stars based on their spectral characteristics.
New!!: HD 73390 and Stellar classification · See more »
