11 relations: Andromeda (constellation), Apparent magnitude, Binary star, Bright Star Catalogue, Constellation, Durchmusterung, Gliese Catalogue of Nearby Stars, Henry Draper Catalogue, Lick Observatory, Sherburne Wesley Burnham, Smithsonian Astrophysical Observatory Star Catalog.
Andromeda is one of the 48 constellations listed by the 2nd-century Greco-Roman astronomer Ptolemy and remains one of the 88 modern constellations.
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.
New!!: 2 Andromedae and Apparent magnitude ·
A binary star is a star system consisting of two stars orbiting around their common center of mass.
New!!: 2 Andromedae and Binary star ·
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.
In modern astronomy, a constellation is a specific area of the celestial sphere as defined by the International Astronomical Union (IAU).
New!!: 2 Andromedae and Constellation ·
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!!: 2 Andromedae and Durchmusterung ·
The Gliese Catalogue of Nearby Stars is a modern star catalogue of stars located within 25 parsecs (81.54 ly) of the Earth.
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.
The Lick Observatory is an astronomical observatory, owned and operated by the University of California.
New!!: 2 Andromedae and Lick Observatory ·
Sherburne Wesley Burnham (December 12, 1838 – March 11, 1921) was an American astronomer.
The Smithsonian Astrophysical Observatory Star Catalog is an astrometric star catalogue.