Fomalhaut: Perbedaan antara revisi

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== Etimologi ==
 
Namanya berasal dari [[bahasa Arab|kata Arab]] '''{{lang|ar|فم الحوت}}''' ''{{lang|ar-Latn|fum al-ḥawt}}'' yang berarti “mulut paus”. Dia adalah bintang deret utama dengan [[kelas spektrum]] A berjarak sekitar {{convert|25|ly|pc|abbr=off|lk=on}} dari [[Bumi]].
Nama lain dari bintang ini adalah:
 
Nama lainnya untuk bintang ini adalah:
Baris 51 ⟶ 52:
|北落師門 / Běilàshīmén||[[China]] ||(satu bintang pada rasi) [[Daftar asterisme di Tempat Berkemah#Gerbang Utara Kamp Militer|Gerbang Utara Kamp Militer]]<ref name=sb0>salah satu bintang menurut rasi bintang Cina</ref>)
|-
|Ō-tama-rākau||[[Maori]] ||<ref>{{Cite web |url=http://www.teapot.orconhosting.net.nz/maori_star_names.html |title=Salinan arsip |access-date=2010-08-13 |archive-date=2010-06-04 |archive-url=https://web.archive.org/web/20100604235959/http://www.teapot.orconhosting.net.nz/maori_star_names.html |dead-url=yes }}</ref>
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|Kukaniloko ||[[Polinesia]] ||jangkar tangisan<ref>{{Cite web |url=http://www.imiloahawaii.org/73/indigenous-star-names |title=Salinan arsip |access-date=2010-08-13 |archive-date=2013-01-31 |archive-url=https://web.archive.org/web/20130131212203/http://www.imiloahawaii.org/73/indigenous-star-names |dead-url=yes }}</ref>
|-
|Hastorang ||[[Persia]] ||salah satu dari empat bintang penjaga di Persia<ref>{{Cite web |url=http://penelope.uchicago.edu/Thayer/E/Gazetteer/Topics/astronomy/_Texts/secondary/ALLSTA/Piscis_Australis*.html |title=Salinan arsip |access-date=2010-08-23 |archive-date=2023-03-10 |archive-url=https://web.archive.org/web/20230310180739/http://penelope.uchicago.edu/Thayer/E/Gazetteer/Topics/astronomy/_Texts/secondary/ALLSTA/Piscis_Australis%2A.html |dead-url=no }}</ref>
|}
 
Baris 71 ⟶ 72:
| Sky Dragon<ref>{{Cite web |url=http://www.amastro2.org/at/as/asas.html |title=Salinan arsip |access-date=2009-10-27 |archive-date=2008-05-13 |archive-url=https://web.archive.org/web/20080513201128/http://www.amastro2.org/at/as/asas.html |dead-url=yes }}</ref>|| ||naga di langit||[[Altair|α Aql]], [[Capella|α Aur]], [[Arcturus|α Boo]], [[Sirius|α CMa]], [[Procyon|α CMi]], [[Alpha Cygni|α Cyg]], [[Beta Geminorum|β Gem]], [[Alpha Geminorum|α Gem]], [[Regulus|α Leo]], [[Vega|α Lyr]], [[Rigel|β Or]], [[Betelgeuse|α Or]], [[Antares|α Sco]], [[Alpha Tauri|α Tau]], [[Spica|α Vir]]
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| Castor Moving Group<ref>{{Cite web |url=http://www.aanda.org/index.php?option=article&access=bibcode&bibcode=2003A%2526A...400..297RPDF |title=Salinan arsip |access-date=2009-10-27 |archive-date=2023-07-23 |archive-url=https://web.archive.org/web/20230723000422/https://www.aanda.org/component/article?access=bibcode&bibcode=2003A%252526A...400..297RPDF |dead-url=no }}</ref> || || ||(antara lain): [[Alpha Cephei|α Cep]], [[Alpha Geminorum|α Gem]], [[Zeta Leporis|ζ Lep]], [[Alpha Librae|α<sup>1</sup> Lib]], [[Alpha Librae|α<sup>2</sup> Lib]], [[Vega|α Lyr]], [[TW Piscis Austrini|TW PsA]], [[Kappa Phoenicis|κ Phe]], [[HD 181321]], [[HD 119124]], [[Psi Velorum|ψ Vel]]
|}
 
Baris 77 ⟶ 78:
Fomalhaut dikelilingi oleh piringan debu berbentuk [[toroida]] dengan tepian bagian dalam yang tajam pada jarak 133 [[satuan astronomi|AU]], dan memiliki sudut kemiringan 24 derajat terhadap garis pandang.<ref>{{cite journal |last=Kalas |first=Paul |authorlink= |coauthors=Graham, James R.; Clampin, Mark |year=2005 |month= |title=A planetary system as the origin of structure in Fomalhaut's dust belt |journal=[[Nature (journal)|Nature]] |volume=435 |issue=7045 |pages=1067–1070 |doi=10.1038/nature03601 |url= |accessdate=2008-11-14 |id={{arxiv|astro-ph/0506574}} }}</ref><ref>The disc was reported by {{cite journal |last=Holland |first=Wayne S. |authorlink= |coauthors=''et al.'' |year=1998 |month= |title=Submillimetre images of dusty debris around nearby stars |journal=Nature |volume=392 |issue=6678 |pages=788–791 |doi=10.1038/33874 |url= |accessdate= |quote= }} They noted that the disc was centered on a cavity, which they suggested might have been swept out by planets.</ref> Debu-debu tesebar dalam sebuah sabuk dengan lebar 25 AU.
 
Pada 13 November 2008, para astronom mengumumkan penemuan [[planet luar suryaeksoplanet]] yang mengorbit sedikit di bagian dalam cincin. Ini adalah planet luar suryaeksoplanet pertama yang dapat dilihat secara visual, dalam panjang gelombang tampak, menggunakan [[Teleskop Luar Angkasa Hubble]].<ref>{{cite news|url=http://afp.google.com/article/ALeqM5iA-PPiKC8oJh3qqkV2ZsF09HmmCA|title=From afar, the first optical photos of an exoplanet|publisher=AFP|date=2008-11-13|archiveurl=https://web.archive.org/web/20081220130945/http://afp.google.com/article/ALeqM5iA-PPiKC8oJh3qqkV2ZsF09HmmCA|archivedate=2008-12-20|access-date=2009-02-17|dead-url=yes}}</ref><ref name="Kalas">{{cite web| |author=[[Paul Kalas]] |title=Direct Image Of Extrasolar Planet |url=http://uk.youtube.com/watch?v=aXKz4nxyPqw |date=2008-11-13 |accessdate=2008-11-14 |archive-date=2023-07-23 |archive-url=https://web.archive.org/web/20230723000430/https://www.youtube.com/watch?v=aXKz4nxyPqw&gl=GB |dead-url=no }} (at 3 minutes 45 seconds: "... has to be less than three Jupiter masses. In fact our lower limit to Fomalhaut b is Neptune")</ref> Planet tersebut dinamai [[Fomalhaut b]], diperkirakan memiliki massa setidaknya sama dengan massa [[Neptunus]] hingga tidak lebih dari tiga kali massa [[Yupiter]].
 
== Referensi ==
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[[Kategori:Bintang variabel]]
[[Kategori:Sistem keplanetan]]
 
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