Mu Cephei: Perbedaan antara revisi
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Baris 1:
{{Starbox begin
| name = Mu Cephei
}}
{{Starbox image |
image=
<div style="position: relative">[[Berkas:Cepheus constellation map.svg|250px]]
<div style="position: absolute; left: 192px; top: 252px">[[Berkas:Locator Dot.gif|5px]]</div>
</div> <!--http://meta.wikimedia.org/wiki/Help:Composite_images --> |
caption=Titik merah menunjukkan lokasi Mu Cephei di rasi [[Cepheus]]. }}
{{Starbox observe
| epoch = [[J2000.0]]
Baris 8 ⟶ 14:
| dec = +58° 46' 48.166"
| appmag_v = +4.04
}}
{{Starbox character
| class = M2Ia
| b-v = +2.26
| u-b = +2.42
| variable = [[Variabel semireguler|Semireguler]]
}}
{{Starbox astrometry |
radial_v=+19.3 |
prop_mo_ra=+5.24 |
prop_mo_dec=−2.88 |
dist_pc = {{nowrap|573.3 ± 98.6}}|
absmag_v=−7.0
}}
Baris 24 ⟶ 31:
| age = ?
| metal = ?
| mass = 15-25
| radius = 1650<ref name="kaler">{{Cite web |url=http://www.astro.illinois.edu/~jkaler/sow/garnet.html |title=Salinan arsip |access-date=2009-07-22 |archive-date=2009-07-27 |archive-url=https://web.archive.org/web/20090727052438/http://www.astro.illinois.edu/~jkaler/sow/garnet.html |dead-url=yes }}</ref>
| rotation = ?
| luminosity = 350,000(bolometric)
| temperature = 3,700
}}
{{Starbox catalog
| names = Erakis, Herschel's Garnet Star, [[Bayer designation|μ Cep]], [[Henry Draper catalogue|HD]] 206936, [[Harvard Revised catalogue|HR]] 8316, [[Bonner Durchmusterung|BD]]+58°2316, [[Hipparcos Catalogue|HIP]] 107259 }}
Baris 35 ⟶ 42:
Simbad=HD+206936 }}
{{Starbox end}}
'''Mu Cephei (μ Cep / μ Cephei)''' merupakan bintang merah raksasa bertipe M2Ia (''red supergiant star'') pada [[rasi bintang]] [[Cepheus]]. Bintang ini merupakan salah satu bintang yang paling cemerlang di [[Galaksi Bima Sakti]]. Mu Cephei berada pada jarak 5258 [[tahun cahaya]] dari [[Bumi]] dan ber[[magnitudo]] 4.23.
== Etimologi ==
Bintang ini dikenal dengan '''Herschel's Garnet Star''' dan '''Erakis''', berasal dari kata dalam [[bahasa Arab]] ''ar ˈraːqis'' berarti "penari'. Nama lain yang diberikan oleh para astronom adalah
{| class="wikitable"
Baris 55 ⟶ 62:
== Pranala luar ==
* {{cite web|title=HD 206936|work=SIMBAD|url=http://simbad.u-strasbg.fr/sim-id.pl?protocol=html&Ident=HD+206936|dateformat=dmy |accessdate=13 April 2006}}
* [http://www.astro.uiuc.edu/~kaler/sow/garnet.html The Garnet Star] {{Webarchive|url=https://web.archive.org/web/20090201024347/http://www.astro.uiuc.edu/~kaler/sow/garnet.html |date=2009-02-01 }} from Jim Kaler's ''Stars''.
* [https://web.archive.org/web/20030705130106/http://www.aavso.org/vstar/vsots/1002.shtml AAVSO: Star of the Month] from AAVSO: ''Variable Star of the Month'', Mu Cephei
* [http://www.recordonline.com/archive/2004/09/20/cosmic29.htm Mu Cephei a grand red star]{{Pranala mati|date=Februari 2021 |bot=InternetArchiveBot |fix-attempted=yes }}
* [http://www.stargazer-observatory.com/my-ceph.html Mu Cephei imaged with a semiprofessional telescope in an amateur-observatory] {{Webarchive|url=https://web.archive.org/web/20110201192817/http://www.stargazer-observatory.com/my-ceph.html |date=2011-02-01 }}
* [http://starmatt.com/gallery/astro/ic1396.html image Mu Cephei]
* http://jumk.de/astronomie/big-stars/garnet-star.shtml
{{
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