alpha coronae borealis

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    Alpha Coronae Borealis (α CrB / α Coronae Borealis) adalah bintang ganda yang ada pada rasi Corona Borealis. Periode orbitnya adalah 17.36 hari, dengan variasi +2.21 sampai +2.32. Bintang ini berada pada jarak 75 tahun cahaya dari Bumi.


    Etimologi


    Nama tradisional dari bintang ini adalah Alphecca (Alphekka), Gemma, Gnosia (Gnosia Stella Coronae), dan Asteroth (Ashtaroth). nama Alphecca berasal dari kata dalam bahasa Arab نير الفكّة nayyir al-fakka "yang terang di lingkaran (bintang) yang putus". Gemma adalah kata dalam bahasa Latin yang berarti "perhiasan". Gnosia juga diambil dari bahasa Latin, kependekan dari Gnōsia stella corōnæ "bintang di mahkota Knossos". Asteroth adalah kata dalam bahasa Ibrani, עשתרות ‘ašterôt yang berarti "sesembahan".
    Sebagai bintang yang paling cerah di rasi Corona Borealis, nama tradisionalnya dipinjamkan kepada salah satu bintang yang cerah di Corona Australis, yaitu Alphekka Meridiana. Nama lainnya untuk bintang ini adalah:

    Selain rasi Corona Borealis, bintang ini juga merupakan anggota dari berbagai rasi, asterisma atau kelompok berikut:


    Referensi


    Tomkin, J.; Popper, D. M., 1986, "Rediscussion of eclipsing binaries. XV - Alpha Coronae Borealis, a main-sequence system with components of types A and G", Astronomical Journal, vol. 91, June 1986.


    Pranala luar


    [1] Diarsipkan 1999-10-07 di Wayback Machine. Arizona University website
    [2] Ken Croswell's astronomy website.
    LeDrew, Glenn (1998). "AstroNotes: The Ursa Major Moving Cluster" Diarsipkan 2005-04-06 di Wayback Machine.. Retrieved July 28, 2005.
    Stellar kinematic groups, Superclusters, Moving Groups - D. Montes, UCM
    [3] J.R.King et al. 2003 Astronomical Journal paper classifying group members based on Hipparcos data.

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alpha coronae borealis

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Alpha Coronae Borealis - Wikipedia

Alpha Coronae Borealis (α Coronae Borealis, abbreviated Alpha CrB, α CrB), officially named Alphecca / ælˈfɛkə /, [11] is an eclipsing binary star in the constellation of Corona Borealis. It is located about 75 light years from the Sun and contains two main sequence stars, one …

Alphecca (Alpha Coronae Borealis): Star System, Name ...

Jun 30, 2020 · Alphecca, Alpha Coronae Borealis (α CrB), is the brightest star in the constellation Corona Borealis, the Northern Crown. Also known as Gemma, Alpha CrB is an eclipsing binary star system that marks the jewel in the crown of the Greek mythical princess Ariadne.

α Coronae Borealis (alpha Coronae Borealis) - TheSkyLive

Alphecca, also designated as α Coronae Borealis (alpha Coronae Borealis), is a variable hypergiant star of spectral class A0 in the constellation of Corona Borealis. Alphecca visual magnitude is 2.23, making it the 65th brightest star in the sky.

Alphecca, a jewel in Corona Borealis the Northern Crown

May 30, 2024 · Alphecca is the brightest star in a C-shaped pattern of stars: the constellation Corona Borealis. It’s near the bright star Arcturus on the sky’s dome. In the ancient Greek myth, the C-shaped...

Alpha Coronae Borealis - Star Facts - Online Star Register

Jun 1, 2016 · Alpha Coronae Borealis is an eclipsing binary star that orbits its companion every 17.4 days. The primary star is classified as a white class A0V main sequence which shows an excess of infrared radiation.

Corona Borealis - Wikipedia

The brightest star is the magnitude 2.2 Alpha Coronae Borealis. The yellow supergiant R Coronae Borealis is the prototype of a rare class of giant stars—the R Coronae Borealis variables—that are extremely hydrogen deficient, and thought to result from the merger of two white dwarfs.

Corona Borealis (the Northern Crown): Stars, Myth, Facts ...

Corona Borealis is a small but distinctive constellation in the northern sky. It represents the crown of Ariadne. It is home to the Blaze Star (T Coronae Borealis) and the eclipsing binary star α Coronae Borealis (Alphecca).

Alphecca (α Coronae Borealis) Facts - The Nine Planets

Feb 4, 2020 · Alphecca, also designated as Alpha Coronae Borealis, is an eclipsing binary star located in the constellation of Corona Borealis. It is also one of the magical Behenian fixed stars and the brightest star of its constellation.

Alpha Coronae Borealis - Simple English Wikipedia, the free ...

Alpha Coronae Borealis or Alphecca is the brightest star in the constellation Corona Borealis. It is a binary star in which a yellow star like our Sun orbits a larger white one. [1]

Alpha Coronae Borealis (Alphecca) - GO ASTRONOMY

Alpha Coronae Borealis (α CrB), also known as Alphecca, is a spectral class A0V star of magnitude 2.22 located in the constellation Corona Borealis. α CrB is one of the brighter stars in Corona Borealis and can be seen by the naked eye under dark skies or with binoculars.