61 Cygni

      first star whose distance from Earth (about 11 light-years) was measured (by Friedrich Wilhelm Bessel (Bessel, Friedrich Wilhelm) in 1838). The star is a visual binary the components of which revolve around each other in a period of about 650 years. They are of fifth and sixth magnitudes.

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Universalium. 2010.

Look at other dictionaries:

  • V1974 Cygni — Cygni 1992, NASA (taken January 1994) V1974 Cygni Observation data Epoch J2000.0      Equinox J2000.0 …   Wikipedia

  • 16 Cygni — A/B. Datos de observación (Época J2000.0) Constelación Cygnus Ascensión recta (α) 16 Cygni A: 19h 41m 48.9535s 16 Cygni B: 19h 41m 51.9720s …   Wikipedia Español

  • 61 Cygni — Not be confused with 16 Cygni, a more distant system containing two G type stars harboring the gas giant planet 16 Cygni Bb. Starbox begin name=61 CygniStarbox image caption=Expanded view of the star field around 61 Cygni. This system is located… …   Wikipedia

  • Tau Cygni — A/B Constelación Cygnus Ascensión recta α 21h 14min 47,49s Declinación δ +38º 02’ 43,1’’ Distancia …   Wikipedia Español

  • 16 Cygni — Starbox begin name = 16 CygniStarbox image caption=16 Cygni A/B on DSS2, 0.3° view Starbox observe 2s epoch = J2000.0 constell = Cygnus component1 = 16 Cygni A ra1 = RA|19|41|48.9535 dec1 = DEC|+50|31|30.217 appmag v1 = 5.96 component2 = 16 Cygni …   Wikipedia

  • 61 Cygni — A/B Données d observation (Époque J2000.0) Ascension droite 21h 06m 54,6s Déclinaison +38° 44′ 45″ …   Wikipédia en Français

  • 16 Cygni Bb — Vue d artiste de 16 Cygni Bb et d une hypothétique lune. Étoile Nom 16 Cygni B Ascension droite 19h 41m 51,9720s Déclinaison …   Wikipédia en Français

  • Delta Cygni — Observation data Epoch J2000      Equinox J2000 Constellation Cygnus Right ascension 19h 44m 58.5s Declination +45° 7′ 51″ …   Wikipedia

  • 61 Cygni — A/B Posición de 61 Cygni dentro de la constelación de Cygnus. Constelación …   Wikipedia Español

  • Zeta Cygni — Starbox begin name=Zeta Cygni / CCDM J21129+3014Bcite web title=Simbad Query Result | work=Simbad url=http://simbad.u strasbg.fr/simbad/sim id?protocol=html Ident=CCDM+J21129%2B3014A NbIdent=1 Radius=2 Radius.unit=arcmin submit=submit+id… …   Wikipedia

  • 61 Cygni — Datenbanklinks zu 61 Cygni Doppelstern 61 Cygni Lage des Sternsystems 61 …   Deutsch Wikipedia

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