47 relations: Aitken Double Star Catalogue, Aperture, Apparent magnitude, Arabic, Asterism (astronomy), B(e) star, Bayer designation, Beta, Binary star, Bright Star Catalogue, Catalog of Components of Double and Multiple Stars, Catalogues of Fundamental Stars, Centre de données astronomiques de Strasbourg, Constellation, Crater-class cargo ship, Cygnus (constellation), Delta Cygni, Deneb, Double star, Durchmusterung, Epoch (astronomy), Epsilon Cygni, Flamsteed designation, Gamma Cygni, Greek language, Henry Draper, Henry Draper Catalogue, Hipparcos, International Celestial Reference System, Kelvin, Kitt Peak National Observatory, Latin, List of stars in Cygnus, Minute and second of arc, Monthly Notices of the Royal Astronomical Society, Northern Cross, Radial velocity, SIMBAD, Sisymbrium officinale, Smithsonian Astrophysical Observatory Star Catalog, Speckle imaging, Spectroscopy, Telescope, UBV photometric system, United States Navy, USS Albireo (AK-90), Washington Double Star Catalog.
The Aitken Double Star Catalogue, or ADS, is a star catalogue of double stars.
In optics, an aperture is a hole or an opening through which light travels.
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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.
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Arabic (العَرَبِية, or عربي,عربى) is the Classical Arabic language of the 6th century and its modern descendants excluding Maltese.
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In astronomy, an asterism is a pattern of stars recognized in the Earth's night sky.
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A B star, frequently called a B(e)-type star, is a B-type star with distinctive forbidden neutral or low ionisation emission lines in its spectrum.
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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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Beta (or; uppercase, lowercase, or cursive; bḗta or βήτα) is the second letter of the Greek alphabet.
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A binary star is a star system consisting of two stars orbiting around their common center of mass.
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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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The Catalog of Components of Double and Multiple Stars, or CCDM, is an astrometric star catalogue of double and multiple stars.
The Catalogue of Fundamental Stars is a series of six astrometric catalogues of high precision positional data for a small selection of stars to define a celestial reference frame, which is a standard coordinate system for measuring positions of stars.
The Centre de données astronomiques de Strasbourg (CDS; English translation: Strasbourg Astronomical Data Center) is a data hub which collects and distributes astronomical information.
In modern astronomy, a constellation is a specific area of the celestial sphere as defined by the International Astronomical Union (IAU).
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Crater-class cargo ship is a category of freighter that was constructed for use by the United States Navy during World War II under Maritime Commission EC2-S-C1 type.
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Cygnus is a northern constellation lying on the plane of the Milky Way, deriving its name from the Latinized Greek word for swan.
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Delta Cygni (δ Cygni, δ Cyg) is the third-magnitude star in the constellation Cygnus.
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Deneb (α Cyg, α Cygni, Alpha Cygni) is the brightest star in the constellation Cygnus and one of the vertices of the Summer Triangle.
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In observational astronomy, a double star is a pair of stars that appear close to each other in the sky as seen from Earth when viewed through an optical telescope.
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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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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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Epsilon Cygni (ε Cyg, ε Cygni) is a star in the constellation Cygnus.
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Flamsteed designations for stars are similar to Bayer designations, except that they use numbers instead of Greek and Roman letters.
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Gamma Cygni (γ Cyg, γ Cygni) is the Bayer designation for a star in the northern constellation Cygnus, forming the intersection of an asterism of five stars called the Northern Cross.
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Greek or Hellenic (Modern Greek: ελληνικά, elliniká, "Greek", ελληνική γλώσσα, ellinikí glóssa, "Greek language") is an independent branch of the Indo-European family of languages, native to the southern Balkans, the Aegean Islands, western Asia Minor, parts of northern and Eastern Anatolia and the South Caucasus, southern Italy, Albania and Cyprus.
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Henry Draper (March 7, 1837 – November 20, 1882) was an American doctor and amateur astronomer.
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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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The International Celestial Reference System (ICRS) is the current standard celestial reference system adopted by the International Astronomical Union (IAU).
The kelvin is a unit of measure for temperature based upon an absolute scale.
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The Kitt Peak National Observatory (KPNO) is a United States astronomical observatory site located on 2,096 m (6,880 ft) Kitt Peak of the Quinlan Mountains in the Arizona-Sonoran Desert on the Tohono O'odham Nation, west-southwest of Tucson, Arizona.
Latin (Latin: lingua latīna) is a classical language belonging to the Italic branch of the Indo-European languages.
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This is the list of notable stars in the constellation of Cygnus, sorted by decreasing apparent magnitude.
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A minute of arc (MOA), arcminute (arcmin) or minute arc is a unit of angular measurement equal to one-sixtieth of one degree.
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Monthly Notices of the Royal Astronomical Society (MNRAS) is a peer-reviewed scientific journal covering research in astronomy and astrophysics.
Northern Cross may refer to.
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The radial velocity of an object with respect to a given point is the rate of change of the distance between the object and the point.
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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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Sisymbrium officinale, known as hedge mustard, is a plant in the family Brassicaceae.
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The Smithsonian Astrophysical Observatory Star Catalog is an astrometric star catalogue.
Image:Zeta_bootis_short_exposure.png|Typical short-exposure image of a binary star (Zeta Bootis in this case) as seen through atmospheric seeing.
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Spectroscopy is the study of the interaction between matter and electromagnetic radiation.
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A telescope is an instrument that aids in the observation of remote objects by collecting electromagnetic radiation (such as visible light).
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UBV photometric system, also called the Johnson system (or Johnson-Morgan system), is a wide band photometric system for classifying stars according to their colors.
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The United States Navy (USN) is the naval warfare service branch of the United States Armed Forces and one of the seven uniformed services of the United States.
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The USS Albireo (AK-90) was a in the service of the United States Navy in World War II.
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The Washington Double Star Catalog, or WDS, is a catalog of double stars, maintained at the United States Naval Observatory.
6 Cyg, 6 Cyg A, 6 Cyg B, 6 Cygni, 6 Cygni A, 6 Cygni B, ADS 12540 A, ADS 12540 B, ALBEREO, ALBIREO, Albereo, BD +27 3410, BD +27 3411, Beta Cyg A, Beta Cyg B, Beta Cygni, Beta Cygni A, Beta Cygni B, Beta-1 Cyg, Beta-1 Cygni, Beta-2 Cyg, Beta-2 Cygni, Beta1 Cyg, Beta1 Cygni, Beta2 Cyg, Beta2 Cygni, Beta² Cyg, Beta² Cygni, Beta¹ Cyg, Beta¹ Cygni, CCDM J19307+2758A, CCDM J19307+2758B, FK5 732, GC 26953, GC 26956, HD 183912, HD 183913, HD 183914, HIP 95947, HIP 95951, HR 7417, HR 7418, PPM 109139, PPM 109141, SAO 87301, SAO 87302, Β Cyg A, Β Cyg B, Β Cygni, Β Cygni A, Β Cygni B, Β-1 Cyg, Β-1 Cygni, Β-2 Cyg, Β-2 Cygni, Β1 Cyg, Β1 Cygni, Β2 Cyg, Β2 Cygni, Β² Cyg, Β² Cygni, Β¹ Cyg, Β¹ Cygni.