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{{Starbox begin
'''Delta Cassiopeiae (δ Cas / δ Cassiopeiae)''' adalah salah satu [[bintang]] di [[rasi]] [[Cassiopeia]]. Delta Cassiopeiae merupakan [[bintang ganda]] dengan periode orbit 759 hari. Bintang ini memilikki [[magnitudo]] sekitar +2.68 - +2.74. Delta Cassiopeia berada pada jarak 99 [[tahun cahaya]] dari [[Bumi]].
| name = δ Cassiopeiae
}}
{{Starbox image
| image=
{{Location mark
|image=Cassiopeia constellation map.svg|alt=|float=center|width=260
|label=|position=right
|mark=Red circle.svg|mark_width=12|mark_link=δ Cas
|x=306|y=490
}}
|caption=Lokasi δ Cassiopeiae (dilingkari)
}}
{{Starbox observe
| epoch = J2000
| ra = {{RA|01|25|48,95147}}<ref name=aaa474_2_653/>
| dec = {{DEC|+60|14|07,0225}}<ref name=aaa474_2_653/>
| appmag_v = 2,68<ref name=clpl4_99/>
| constell = [[Cassiopeia]]
}}
{{Starbox character
| class = A5 IV<ref name=gray/>
| b-v = +0,13<ref name=clpl4_99/>
| u-b = +0,13<ref name=clpl4_99/>
| variable = [[Variabel Algol|Algol]]<ref name=aaa446_2_785/>
}}
{{Starbox astrometry
| radial_v = −6,7<ref name=wilson1953/>
| prop_mo_ra = 296,57<ref name=aaa474_2_653/>
| prop_mo_dec = –49,22<ref name=aaa474_2_653/>
| parallax = 32.81
| p_error = 0.14
| parallax_footnote = <ref name=aaa474_2_653/>
| absmag_v = +0,28<ref name=Eggen1998/>
}}
{{Starbox detail
| mass = 2,49<ref name=zorec/>
| radius = 3,90<ref name=apj660_2_1556/>
| luminosity = 72,88<ref name=zorec/>
| temperature = 7.980<ref name=zorec/>
| metal =
| rotational_velocity = 123<ref name=zorec/>
| age = 6,0{{e|8}}<ref name=apj660_2_1556/>
}}
{{Starbox catalog
| names=Ruchbah, Ksora,<ref name=bakich1995/> Rucba, Rucbar,<ref name=hinkley1899/> 37&nbsp;Cassiopeiae, [[Bonner Durchmusterung|BD]]+59°248, [[Fifth Fundamental Catalogue|FK5]]&nbsp;48, [[Henry Draper Catalogue|HD]]&nbsp;8538, [[Hipparcos catalogue|HIP]]&nbsp;6686, [[Harvard Revised catalogue|HR]]&nbsp;403, [[Smithsonian Astrophysical Observatory catalogue|SAO]]&nbsp;22268, [[Washington Double Star Catalog|WDS]] J01258+6014A.<ref name="SIMBAD"/>
}}
{{Starbox reference
| Simbad=HR403
}}
{{Starbox end}}
'''Delta Cassiopeiae (δ Cas / δ Cassiopeiae)''' adalah salah satu [[bintang]] di [[rasi]] [[Cassiopeia]]. Delta Cassiopeiae merupakan [[bintang ganda]] dengan periode orbit 759 hari. Bintang ini memiliki [[magnitudo tampak]] sekitar 2,68.<ref name=clpl4_99/> Delta Cassiopeia berada pada jarak 99,4 [[tahun cahaya]] (30,5 [[parsec]]) dari [[Bumi]].<ref name=aaa474_2_653/>
 
== Etimologi ==
 
'''Ruchbah''' adalah nama tradisional dari bintang ini, berasal dari bahasa [[bahasa Arab]]ركبة ''rukbah'' yang berarti "lutut", merefleksikan posisi bintang ini pada lutut sang ratu. Kadang-kadang bintang ini disebut juga dengan nama '''Ksora'''. Nama lain dari para astronom terdahulu adalah :
 
{| class="wikitable"
Baris 11 ⟶ 62:
! arti
|-
| 閣道三 / Gédàosān|| [[China]] || [[bintang]] ketiga pada [[rasi]] [[Daftar asterisme di Kaki#Lorong Terbang (asterism)|Lorong Terbang]]<ref>salah satu [[rasi]] [[bintang]] menurut bangsa Cina</ref>
|-
| 奎西南大星 / Gédàonándàxīng|| [[China]] || [[bintang]] besar di selatan [[rasi]] [[Daftar asterisme di Kaki#Lorong Terbang|Lorong Terbang]]<ref>http://www.chinese-tools.com/tools/sinograms.html</ref>
|-
| Quae in genibus (Almagest)|| [[Bahasa Latin|Latin]] || yang berada di lutut (sang ratu)<ref>http://www.atlascoelestis.com/alsufi%2010.htm</ref>
|}
 
Selain [[rasi]] [[Cassiopeia]], bintang ini juga merupakan anggota dari berbagai rasi atau asterisma berikut:
==Referensi==
 
{{reflist}}
{| class="wikitable"
|-
! nama rasi / asterisma
! asal
! arti
! anggota lainnya
|-
| 閣道 || [[China]] || [[Daftar asterisme di Kaki#Lorong Terbang|Lorong Terbang]] ||[[Iota Cassiopeiae|ι Cas]], [[Epsilon Cassiopeiae|ε Cas]], [[Theta Cassiopeiae|θ Cas]], [[Nu Cassiopeiae|ν Cas]], [[Omicron Cassiopeiae|ο Cas]],
|-
| W || || huruf W ||[[Beta Cassiopeiae|β Cas]], [[Alpha Cassiopeiae|α Cas]], [[Gamma Cassiopeiae|γ Cas]], [[Epsilon Cassiopeiae|ε Cas]]
|}
[[Berkas:Sun from Alpha Centauri.png|kiri|jmpl|160px|The [[Sun]] would appear close to Cassiopeia from [[Alpha Centauri]]]]
 
== Referensi ==
{{reflist|refs=
 
<ref name=aaa474_2_653>{{citation | first1=Floor | last1=van Leeuwen |date=November 2007 | title=Validation of the new Hipparcos reduction | volume=474 | issue=2 | pages=653–664 | bibcode=2007A&A...474..653V | arxiv=0708.1752v1 | doi=10.1051/0004-6361:20078357 | journal=Astronomy and Astrophysics }} ''Note:'' see VizieR catalogue [http://vizier.u-strasbg.fr/viz-bin/Cat?I/311 I/311].</ref>
 
<ref name=clpl4_99>{{citation | display-authors=1 | last1=Johnson | first1=H. L. | last2=Iriarte | first2=B. | last3=Mitchell | first3=R. I. | last4=Wisniewskj | first4=W. Z. | title=UBVRIJKL photometry of the bright stars | journal=Communications of the Lunar and Planetary Laboratory | volume=4 | issue=99 | pages=99 | year=1966 | bibcode=1966CoLPL...4...99J }}</ref>
 
<ref name=wilson1953>{{citation | last=Wilson | first=Ralph Elmer | year=1953 | title=General catalogue of stellar radial velocities | journal=Washington | publisher=[[Carnegie Institution of Washington]] | bibcode=1953GCRV..C......0W }}</ref>
 
<ref name="SIMBAD">{{citation | url=http://simbad.u-strasbg.fr/simbad/sim-id?Ident=HR403 | title=V* del Cas -- Variable Star | work=SIMBAD | publisher=[[Centre de Données astronomiques de Strasbourg]] | accessdate=2010-02-21 }}</ref>
 
<ref name=zorec>{{cite journal|bibcode=2012A&A...537A.120Z|arxiv=1201.2052|title=Rotational velocities of A-type stars. IV. Evolution of rotational velocities|journal=Astronomy & Astrophysics|volume=537|pages=A120|author1=Zorec|first1=J.|last2=Royer|first2=F.|year=2012|doi=10.1051/0004-6361/201117691}}</ref>
 
<ref name=aaa446_2_785>{{citation | display-authors=1 | last1=Malkov | first1=O. Yu. | last2=Oblak | first2=E. | last3=Snegireva | first3=E. A. | last4=Torra | first4=J. | title=A catalogue of eclipsing variables | journal=Astronomy and Astrophysics | volume=446 | issue=2 | pages=785–789 |date=February 2006 | doi=10.1051/0004-6361:20053137 | bibcode=2006A&A...446..785M }}</ref>
 
<ref name=gray>{{cite journal|bibcode=1989ApJS...70..623G|title=The late A-type stars - Refined MK classification, confrontation with Stromgren photometry, and the effects of rotation|journal=Astrophysical Journal Supplement Series|volume=70|pages=623|author1=Gray|first1=R. O.|last2=Garrison|first2=R. F.|year=1989|doi=10.1086/191349}}</ref>
 
<ref name=Eggen1998>{{citation
| title=The Age Range of Hyades Stars
| last1=Eggen | first1=Olin J. | postscript=.
| journal=The Astronomical Journal
| volume=116 | issue=1 | pages=284–292 | date=July 1998
| doi=10.1086/300413 | bibcode=1998AJ....116..284E }}</ref>
 
<ref name=bakich1995>{{citation | first1=Michael E. | last1=Bakich | title=The Cambridge guide to the constellations | publisher=[[Cambridge University Press]] | year=1995 | isbn=0-521-44921-9 | page=170 | url=https://books.google.com/books?id=tLMXiFhTnRYC&pg=PA170 }}</ref>
 
<ref name=hinkley1899>{{citation | first1=Richard Hinckley | last1=Allen | title=Star-names and their meanings | publisher=G.E. Stechert | year=1899 | page=148 | url=https://books.google.com/books?id=5xQuAAAAIAAJ&pg=PA148 }}</ref>
 
<ref name=apj660_2_1556>{{citation | display-authors=1 | last1=Rhee | first1=Joseph H. | last2=Song | first2=Inseok | last3=Zuckerman | first3=B. | last4=McElwain | first4=Michael | title=Characterization of Dusty Debris Disks: The IRAS and Hipparcos Catalogs | journal=The Astrophysical Journal | volume=660 | issue=2 | pages=1556–1571 |date=May 2007 | doi=10.1086/509912 | bibcode=2007ApJ...660.1556R |arxiv = astro-ph/0609555 }}</ref>
 
}}
 
[[Kategori:Rasi bintang Cassiopeia]]
 
 
{{bintang-stub}}
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