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    Gamma Cephei - Wikipedia

    https://en.wikipedia.org/wiki/Gamma_Cephei

    Gamma Cephei (γ Cephei, abbreviated Gamma Cep, γ Cep) is a binary star system approximately 45 light-years away in the constellation of Cepheus. The primary (designated Gamma Cephei A, officially named Errai /ɛˈreɪ.iː/, the traditional name of the system) is a stellar class K1 orange giant or subgiant star; it … See more

    Description

    Gamma Cephei has an apparent magnitude of 3.21, nearly all of which is accounted for by Gamma Cephei A. The primary is about 3.25 billion years old and has evolved off the main sequence, having burned all of the … See more

    Nomenclature

    γ Cephei (Latinised to Gamma Cephei) is the system's Bayer designation. Under the rules for naming objects in multiple star systems the two components are designated A and … See more

    External links

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    • McDonald Observatory: Planet Search finds first planet orbiting close-in binary star
    • A Planetary Companion to the Binary Star Gamma Cephei
    • SolStation: Errai 2 See more

    Overview image
    Planetary system

    A planet orbiting Gamma Cephei A with a 2.7-year period was discovered in 1988. Its existence was also announced in 1989. This was the first-confirmed extrasolar planet and … See more

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  2. Gamma Cephei Ab - Wikipedia

    https://en.wikipedia.org/wiki/Gamma_Cephei_Ab

    Gamma Cephei Ab (abbreviated γ Cephei Ab, γ Cep Ab), formally named Tadmor /ˈtædmɔːr/, is an exoplanet approximately 45 light-years away in the constellation of Cepheus (the King). The planet was confirmed to be in orbit around Gamma Cephei A in 2002, but was first suspected to exist around 1988 (making this planet arguably the first true exoplanet discovered).
    In July 2014 the International Astronomical Union (IAU) launched NameExoWorlds, a process for …

    Wikipedia · Text under CC-BY-SA license
    • Detection method: Doppler spectroscopy
    • Discovery date: 13 July 1988 (suspected), 24 September 2002 (confirmed)
    • Discovered by: Bruce Campbell, Gordon Walker, …
    • Discovery site: United States
  3. People also ask
    What type of star is Gamma Cephei?
    Gamma Cephei. Gamma Cephei ( γ Cephei, abbreviated Gamma Cep, γ Cep) is a binary star system approximately 45 light-years away in the constellation of Cepheus. The primary (designated Gamma Cephei A, also named Errai) is a stellar class K1 orange giant or subgiant star; it has a red dwarf companion (Gamma Cephei B).

    Gamma Cephei - Wikipedia

    en.wikipedia.org/wiki/Gamma_Cephei
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    When was Gamma Cephei Ab discovered?
    The first indications of Gamma Cephei Ab were reported in July 1988. The planet was tentatively identified by a Canadian team of astronomers, which was led by Bruce Campbell, Gordon Walker and Stephenson Yang, while its existence was also announced by Anthony Lawton and P. Wright in 1989.

    Gamma Cephei Ab - Wikipedia

    en.wikipedia.org/wiki/Gamma_Cephei_Ab
    Search for: When was Gamma Cephei Ab discovered?
    Is there an exoplanet in Gamma Cephei?
    The primary (designated Gamma Cephei A, officially named Errai / ɛˈreɪ.iː /, the traditional name of the system) is a stellar class K1 orange giant or subgiant star; it has a red dwarf companion (Gamma Cephei B). An exoplanet (designated Gamma Cephei Ab, later named Tadmor) has been confirmed to be orbiting the primary.

    Gamma Cephei - Wikipedia

    en.wikipedia.org/wiki/Gamma_Cephei
    Search for: Is there an exoplanet in Gamma Cephei?
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  4. Gamma Cephei – Wikipedia

    https://de.wikipedia.org/wiki/Gamma_Cephei

    γ Cephei (Gamma Cephei; Eigenname Errai oder Alrai aus arabisch الراعي, DMG ar-rāʿī ‚der Schäfer/Hirte‘) ist ein Stern der Spektralklasse K1 IV mit einer scheinbaren Helligkeit von 3,2 …

    • Sternbild: Kepheus
    • Rektaszension: 23ʰ 39ᵐ 20,8ˢ
    • Deklination: +77° 37′ 56″
    • Scheinbare Helligkeit: 3,2 mag

  5. Gamma Cephei — Wikipédia

    https://fr.wikipedia.org/wiki/Gamma_Cephei
    Image
    Gamma Cephei est la désignation de Bayer de l'étoile qui est aussi connue par sa désignation de Flamsteed, 35 Cephei (35 Cep). Son nom traditionnel Errai (ou Alrai) provient de l'arabe الراعي (ar-rā‘ī) qui signifie « le Berger »[2]. De manière ambigüe, l'étoile β Ophiuchi est également parfois appelée Alrai, mais est plus co…
    See more on fr.wikipedia.org
    • Constellation: Céphée
    • Déclinaison: +77° 37′ 56″
    • Ascension droite: 23ʰ 39ᵐ 20,8ˢ
    • Magnitude apparente: 3,22 / ?

  6. Gamma Cephei - Wikipedia

    https://af.wikipedia.org/wiki/Gamma_Cephei
    Image
    ’n Planeet wat om Gamma Cephei A wentel, is aanvanklik in 1988 ontdek deur ’n Kanadese span bestaande uit Bruce Campbell, Gordon Walker en Stephenson Yang. In 1989 het ook Anthony Lawton en P. Wright die bestaan daarvan aangekondig. Dit sou die eerste bevestigde eksoplaneet gewees het wa…
    See more on af.wikipedia.org
    • Soort: Dubbelster
    • Regte klimming: 23ʰ 39ᵐ 20.852ˢ
    • Sterrebeeld: Kefeus
    • Spektraaltipe: K1 III-IV CN1 / M4 V

  7. Gamma Cephei – Wikipédia, a enciclopédia livre

    https://pt.wikipedia.org/wiki/Gamma_Cephei

    Gamma Cephei (γ Cephei, γ Cep), tradicionalmente chamada de Errai, é uma estrela na constelação de Cepheus. Possui uma magnitude aparente visual de +3,22, [ 1] sendo visível a …

  8. Category:Gamma Cephei - Wikipedia

    https://en.wikipedia.org/wiki/Category:Gamma_Cephei

    Pages in category "Gamma Cephei". The following 2 pages are in this category, out of 2 total. This list may not reflect recent changes .

  9. Talk:Gamma Cephei - Wikipedia

    https://en.wikipedia.org/wiki/Talk:Gamma_Cephei

    News From The γ Cephei Planetary System AIP Conference Proceedings, Volume 1331, pp. 88-94 (2011) ... I have just modified 2 external links on Gamma Cephei. Please take a moment to …

  10. Gamma Cephei - Wikipedia

    https://wiki.alquds.edu/?query=Gamma_Cephei

    Jul 08, 2022 · Gamma Cephei A Spectral type: K1III-IV CN1: U−B color index +0.94: B−V color index +1.03: Variable type: Suspected: Gamma Cephei B Spectral type: M4V: Astrometry; …

  11. MY Cephei - Wikipedia

    https://en.wikipedia.org/wiki/MY_Cephei

    MY Cephei (IRC +60375) is a red supergiant located in open cluster NGC 7419 in the constellation of Cepheus.It is a semiregular variable star with a maximum brightness of …

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