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{{Starbox begin
'''Xi Geminorum (ξ Gem / ξ Geminorum)''' merupakan salah satu bintang di rasi [[Gemini (constellation)|Gemini]]. Xi Geminorum tergolong bintang dengan kelas F6 dan ber[[magnitudo]] +3.35. Bintang ini berada pada jarak 57 [[tahun cahaya]] dari [[Bumi]].▼
}}
{{Starbox image
| image =
<div style="position: relative">[[Berkas:Gemini IAU.svg|250px|alt=Diagram showing star positions and boundaries of the Gemini constellation and its surroundings]]
<div style="position: absolute; left: 49.8%; top: 55.3%;">[[Berkas:Cercle rouge 100%.svg|12px]]</div>
</div>
| caption=Lokasi ξ Geminorum (dilingkari)
}}
{{Starbox observe
| epoch = [[J2000.0]]
| equinox = [[J2000.0]] ([[International Celestial Reference System|ICRS]])
| constell = [[Gemini (constellation)|Gemini]]
| ra = {{RA|06|45|17.36432}}<ref name=aaa474_2_653/>
| dec = {{DEC|+12|53|44.1311}}<ref name=aaa474_2_653/>
| appmag_v = 3,35<ref name=scfs/>
}}
{{Starbox character
| class = F5 IV-V<ref name=nstars/>
| b-v = +0,43<ref name=clpl4/>
| u-b = +0,06<ref name=clpl4/>
| r-i =
}}
{{Starbox astrometry
| radial_v = +25,6<ref name=scfs/>
| prop_mo_ra = –115,73<ref name=aaa474_2_653/>
| prop_mo_dec = –190,55<ref name=aaa474_2_653/>
| parallax = 55.56
| p_error = 0.19
| parallax_footnote = <ref name=aaa474_2_653/>
| absmag_v = 2,14<ref name=aaa361_614/>
}}
{{Starbox detail
| mass = {{nowrap|1,706 ± 0,012}}<ref name=apj746_1_101/>
| radius = {{nowrap|2,710 ± 0,021}}<ref name=apj746_1_101/>
| luminosity = {{nowrap|11,574 ± 0,238}}<ref name=apj746_1_101/>
| temperature = {{nowrap|6.480 ± 39}}<ref name=apj746_1_101/>
| gravity = {{nowrap|3,81 ± 0,02}}<ref name=aaa400_241/>
| metal_fe = {{nowrap|0,00 ± 0,01}}<ref name=aaa400_241/>
| rotational_velocity = {{nowrap|66,1 ± 3,3}}<ref name=aaa446_1_267/>
| rotation =
| age_gyr = 1,5<ref name=aaa501_3_941/>
}}
{{Starbox catalog
| names = 31 Geminorum, [[Star catalogue#BS, BSC, HR|HR]] 2484, [[Henry Draper Catalogue|HD]] 48737, [[Star catalogue#BD/CD/CPD|BD]]+13°1396, [[FK5]] 256, [[Hipparcos catalogue|HIP]] 32362, [[Star catalogue#SAO|SAO]] 96074
}}
{{Starbox reference
| Simbad = Xi+Geminorum
}}
{{Starbox end}}
▲'''Xi Geminorum''' ('''ξ Gem''' / '''ξ Geminorum
== Etimologi ==
Bintang ini memiliki nama tradisional '''Alzir''', yang berasal dari
{| class="wikitable"
Baris 12 ⟶ 63:
|井宿四 / Jǐngsusì||[[China]] ||bintang keempat di rasi [[Daftar asterisme di Sumur#Sumur|Sumur]]<ref>salah satu rasi bintang menurut bangsa Cina</ref>
|}
Selain [[rasi]] [[Gemini]], bintang ini juga merupakan anggota dari berbagai rasi atau asterisma berikut
{| class="wikitable"
Baris 23 ⟶ 74:
| 井宿 / Jǐngsu|| [[China]] || [[Daftar asterisme di Sumur#Sungai Utara|Sungai Utara]]||[[Gamma Geminorum|γ Gem]], [[Mu Geminorum|μ Gem]], [[Nu Geminorum|ν Gem]], [[Epsilon Geminorum|ε Gem]], [[36 Geminorum|36 Gem]], [[Zeta Geminorum|ζ Gem]], [[Lambda Geminorum|λ Gem]]
|-
| Al Hanʽah<ref name=sb0>http://penelope.uchicago.edu/Thayer/E/Gazetteer/Topics/astronomy/_Texts/secondary/ALLSTA/Gemini*.html</ref> || [[Bahasa Arab|Arab]] || tanda pada leher unta||[[Gamma Geminorum|γ Gem]], [[Mu Geminorum|μ Gem]], [[Eta Geminorum|η Gem]], [[Nu Geminorum|ν Gem]]
|-
| Al Nuḥātai <ref name=sb0>http://penelope.uchicago.edu/Thayer/E/Gazetteer/Topics/astronomy/_Texts/secondary/ALLSTA/Gemini*.html</ref><ref>beberapa orang [[Bahasa Arab|Arab]] menambahkan dengan bintang [[Chi1 Orionis|χ<sup>1</sup> Ori]] dan [[Chi2 Orionis|χ<sup>2</sup> Ori]], yang merepresentasikan busur</ref>|| [[Bahasa Arab|Arab]] || punuk unta||[[Gamma Geminorum|γ Gem]], [[Mu Geminorum|μ Gem]], [[Eta Geminorum|η Gem]], [[Nu Geminorum|ν Gem]]
|-
| Khigalla<ref name=sb0>http://penelope.uchicago.edu/Thayer/E/Gazetteer/Topics/astronomy/_Texts/secondary/ALLSTA/Gemini*.html</ref><ref>nama lain dari asterisma / rasi ini adalah ''Rakhvad'' ([[Persia]]), ''Ghathaf''([[Sogdia]]), ''Gawthaf''([[Khorasmia]]) yang berarti sama</ref>|| [[Babilonia]] || kanal||[[Gamma Geminorum|γ Gem]], [[Mu Geminorum|μ Gem]], [[Eta Geminorum|η Gem]], [[Nu Geminorum|ν Gem]]
Baris 31 ⟶ 82:
== Referensi ==
{{reflist
<ref name=aaa474_2_653>{{citation| first=F. | last=van Leeuwen |date=November 2007 | title=Validation of the new Hipparcos reduction | journal=Astronomy and Astrophysics | volume=474 | issue=2 | pages=653–664 | bibcode=2007A&A...474..653V | doi=10.1051/0004-6361:20078357 |arxiv = 0708.1752 }}</ref>
{{astronomi-stub}}▼
<ref name=scfs>{{citation | display-authors=1 | title=Sixth Catalogue of Fundamental Stars (FK6). Part I. Basic fundamental stars with direct solutions | journal=Veröff. Astron. Rechen-Inst. Heidelb | volume=35 | last1=Wielen | first1=R. | last2=Schwan | first2=H. | last3=Dettbarn | first3=C. | last4=Lenhardt | first4=H. | last5=Jahreiß | first5=H. | last6=Jährling | first6=R. | publisher=Astronomisches Rechen-Institut Heidelberg | issue=35 | year=1999 | bibcode=1999VeARI..35....1W }}</ref>
[[Kategori:Rasi bintang Gemini]]▼
<ref name=clpl4>{{cite journal | 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>
▲[[en:Xi Geminorum]]
<ref name=aaa400_241>{{citation | last1=Pijpers | first1=F. P. | title=Selection criteria for targets of asteroseismic campaigns | journal=Astronomy and Astrophysics | volume=400 | pages=241–248 |date=March 2003 | doi=10.1051/0004-6361:20021839 | bibcode=2003A&A...400..241P |arxiv = astro-ph/0303032 }}</ref>
<ref name=aaa361_614>{{citation | last1=Pizzolato | first1=N. | last2=Maggio | first2=A. | last3=Sciortino | first3=S. | title=Evolution of X-ray activity of 1-3 M<sub>sun</sub> late-type stars in early post-main-sequence phases | journal=Astronomy and Astrophysics | volume=361 | pages=614–628 |date=September 2000 | bibcode=2000A&A...361..614P }}</ref>
<ref name=aaa446_1_267>{{citation | last1=Reiners | first1=A. | title=Rotation- and temperature-dependence of stellar latitudinal differential rotation | journal=Astronomy and Astrophysics | volume=446 | issue=1 | pages=267–277 |date=January 2006 | doi=10.1051/0004-6361:20053911 | bibcode=2006A&A...446..267R |arxiv = astro-ph/0509399 }}</ref>
<ref name=apj746_1_101>{{citation | display-authors=1 | last1=Boyajian | first1=Tabetha S. | last2=McAlister | first2=Harold A. | last3=van Belle | first3=Gerard | last4=Gies | first4=Douglas R. | last5=ten Brummelaar | first5=Theo A. | last6=von Braun | first6=Kaspar | last7=Farrington | first7=Chris | last8=Goldfinger | first8=P. J. | last9=O'Brien | first9=David | last10=Parks | first10=J. Robert | last11=Richardson | first11=Noel D. | last12=Ridgway | first12=Stephen | last13=Schaefer | first13=Gail | last14=Sturmann | first14=Laszlo | last15=Sturmann | first15=Judit | last16=Touhami | first16=Yamina | last17=Turner | first17=Nils H. | last18=White | first18=Russel | title=Stellar Diameters and Temperatures. I. Main-sequence A, F, and G Stars | journal=The Astrophysical Journal | volume=746 | issue=1 | page=101 |date=February 2012 | doi=10.1088/0004-637X/746/1/101 | bibcode=2012ApJ...746..101B |arxiv = 1112.3316 }}. See Table 10 & 12.</ref>
<ref name=nstars>{{cite journal|bibcode=2003AJ....126.2048G|arxiv=astro-ph/0308182|title=Contributions to the Nearby Stars (NStars) Project: Spectroscopy of Stars Earlier than M0 within 40 Parsecs: The Northern Sample. I|journal=The Astronomical Journal|volume=126|issue=4|pages=2048|author1=Gray|first1=R. O.|last2=Corbally|first2=C. J.|last3=Garrison|first3=R. F.|last4=McFadden|first4=M. T.|last5=Robinson|first5=P. E.|year=2003|doi=10.1086/378365}}</ref>
}}
▲[[Kategori:Rasi bintang Gemini]]
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