44 relations: Alpha Delphini, Angular distance, Asterism (astronomy), Bayer designation, Binary star, Bright Star Catalogue, Centre de données astronomiques de Strasbourg, Chinese language, Constellation, Delphinus, Delta Delphini, Dover Publications, Durchmusterung, Earth, Epoch (astronomy), Flamsteed designation, Gamma Delphini, Giant star, Girl (Chinese constellation), Giuseppe Piazzi, Henry Draper Catalogue, Hipparcos, IAU Working Group on Star Names, International Astronomical Union, Latinisation of names, Longman, Minute and second of arc, Niccolò Cacciatore, Orbit, Orbital eccentricity, Orbital inclination, Orbital period, Palermo Astronomical Observatory, Sherburne Wesley Burnham, SIMBAD, Smithsonian Astrophysical Observatory Star Catalog, Solar luminosity, Solar mass, Star system, Subgiant, Thomas William Webb, United States Naval Observatory, Washington Double Star Catalog, Zeta Delphini.
Alpha Delphini (α Delphini, abbreviated Alpha Del, α Del) is a multiple star system in the constellation of Delphinus.
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In mathematics (in particular geometry and trigonometry) and all natural sciences (e.g. astronomy and geophysics), the angular distance (angular separation, apparent distance, or apparent separation) between two point objects, as viewed from a location different from either of these objects, is the angle of length between the two directions originating from the observer and pointing toward these two objects.
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In observational astronomy, an asterism is a popular known pattern or group of stars that are recognised in the night sky.
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A Bayer designation is a stellar designation in which a specific star is identified by a Greek letter, followed by the genitive form of its parent constellation's Latin name.
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A binary star is a star system consisting of two stars orbiting around their common barycenter.
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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.
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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.
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Chinese is a group of related, but in many cases mutually unintelligible, language varieties, forming a branch of the Sino-Tibetan language family.
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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.
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Delphinus (Eng. U.S.) Eng.
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Delta Delphini, Latinized from δ Delphini, is a binary star in the northern constellation of Delphinus.
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Dover Publications, also known as Dover Books, is an American book publisher founded in 1941 by Hayward Cirker and his wife, Blanche.
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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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Earth is the third planet from the Sun and the only astronomical object known to harbor life.
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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.
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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.
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Gamma Delphini, Latinized from γ Delphini, is a binary star system approximately 101 light-years away in the constellation of Delphinus.
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A giant star is a star with substantially larger radius and luminosity than a main-sequence (or dwarf) star of the same surface temperature.
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Girl (Chinese constellation)
The Girl mansion (女宿, pinyin: Nǚ Xiù) is one of the Twenty-eight mansions of the Chinese constellations.
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Giuseppe Piazzi (16 July 1746 – 22 July 1826) was an Italian Catholic priest of the Theatine order, mathematician, and astronomer.
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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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IAU Working Group on Star Names
The International Astronomical Union (IAU) established a Working Group on Star Names (WGSN) in May 2016 to catalog and standardize proper names for stars for the international astronomical community.
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International Astronomical Union
The International Astronomical Union (IAU; Union astronomique internationale, UAI) is an international association of professional astronomers, at the PhD level and beyond, active in professional research and education in astronomy.
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Latinisation of names
Latinisation or Latinization is the practice of rendering a non-Latin name (or word) in a Latin style.
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Longman, commonly known as Pearson Longman, is a publishing company founded in London, England, in 1724 and is owned by Pearson PLC.
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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.
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Niccolò Cacciatore (26 January 1770 – 28 January 1841) was an Italian astronomer.
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In physics, an orbit is the gravitationally curved trajectory of an object, such as the trajectory of a planet around a star or a natural satellite around a planet.
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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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Orbital inclination measures the tilt of an object's orbit around a celestial body.
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The orbital period is the time a given astronomical object takes to complete one orbit around another object, and applies in astronomy usually to planets or asteroids orbiting the Sun, moons orbiting planets, exoplanets orbiting other stars, or binary stars.
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Palermo Astronomical Observatory
The Giuseppe S. Vaiana Astronomical Observatory is an astronomical observatory located in Palermo, Sicily, Italy, housed inside the Palazzo dei Normanni.
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Sherburne Wesley Burnham
Sherburne Wesley Burnham (December 12, 1838 – March 11, 1921) was an American astronomer.
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SIMBAD (the Set of Identifications, Measurements, and Bibliography for Astronomical Data) is an astronomical database of objects beyond the Solar System.
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Smithsonian Astrophysical Observatory Star Catalog
The Smithsonian Astrophysical Observatory Star Catalog is an astrometric star catalogue.
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The solar luminosity,, is a unit of radiant flux (power emitted in the form of photons) conventionally used by astronomers to measure the luminosity of stars, galaxies and other celestial objects in terms of the output of the Sun.
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The solar mass is a standard unit of mass in astronomy, equal to approximately.
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A star system or stellar system is a small number of stars that orbit each other, bound by gravitational attraction.
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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.
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Thomas William Webb
The Reverend Thomas William Webb (14 December 1807 – 19 May 1885) was a British astronomer.
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United States Naval Observatory
The United States Naval Observatory (USNO) is one of the oldest scientific agencies in the United States, with a primary mission to produce Positioning, Navigation and Timing (PNT) for the United States Navy and the United States Department of Defense.
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Washington Double Star Catalog
The Washington Double Star Catalog, or WDS, is a catalog of double stars, maintained at the United States Naval Observatory.
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Zeta Delphini (ζ Del) is a star in the constellation of Delphinus.
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6 Del, 6 Delphini, ADS 14073, ADS 14073 A, ADS 14073 AB, ADS 14073 B, ADS 14073 C, ADS 14073 D, ADS 14073 E, BD +14 4369, BD +14 4369A, BD +14 4369B, BD +14 4369C, BD +14 4369D, BD +14 4369E, BD+14 4369, BD+14 4369A, BD+14 4369B, BD+14 4369C, BD+14 4369D, BD+14 4369E, Beta Del, CCDM J20375+1436, CCDM J20375+1436A, CCDM J20375+1436AB, CCDM J20375+1436B, CCDM J20375+1436C, CCDM J20375+1436D, CCDM J20375+1436E, GC 28709, HD 196524, HIP 101769, HR 7882, IDS 20328+1415, Rotanev, SAO 106316, Β Del, Β Delphini.