Delta Geminorum: Perbedaan antara revisi
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{{Starbox begin
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{{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: 35.1%; top: 37.7%;">[[Berkas:Cercle rouge 100%.svg|12px]]</div>
</div>
| caption=Lokasi δ Geminorum (dilingkari)
}}
{{Starbox observe
| epoch = J2000
| ra = {{RA|07|20|07.37978}}<ref name=aaa474_2_653/>
| dec = {{DEC|+21|58|56.3377}}<ref name=aaa474_2_653/>
| appmag_v = +3,53<ref name=clpl4_99/>
| constell = [[Gemini (constellation)|Gemini]]
}}
{{Starbox character
| class = F0 IV<ref name="SIMBAD"/>
| b-v = +0,34<ref name=clpl4_99/>
| u-b = +0,04<ref name=clpl4_99/>
| variable =
}}
{{Starbox astrometry
| radial_v = +4,1<ref name=rgcrv/>
| prop_mo_ra = –15,13<ref name=aaa474_2_653/>
| prop_mo_dec = –9,79<ref name=aaa474_2_653/>
| parallax = 53.94
| p_error = 0.66
| parallax_footnote = <ref name=aaa474_2_653/>
| absmag_v = 1,95<ref name=Reiners2006/>
}}
{{Starbox detail
| mass = 1,57<ref name=apjss192_1_2/>
| radius =
| luminosity =
| gravity =
| temperature = 6900<ref name=aaa418_989/>
| metal_fe = –0,26<ref name=aaa418_989/>
| rotational_velocity = 129,7<ref name=aaa493_3_1099/>
| age_gyr = 1,6<ref name=aaa418_989/>
}}
{{Starbox catalog
| names = Wasat, [[Flamsteed designation|55]] Geminorum, [[Bonner Durchmusterung|BD]]+22° 1645, [[Fifth Fundamental Catalogue|FK5]] 279, [[Gliese Catalogue of Nearby Stars|Gl]] 271, [[Henry Draper catalogue|HD]] 56986, [[Hipparcos catalogue|HIP]] 35550, [[Harvard Revised catalogue|HR]] 2777, [[Smithsonian Astrophysical Observatory Star Catalog|SAO]] 79294.<ref name=SIMBAD/>
}}
{{Starbox reference
|Simbad=Delta+Gem
}}
{{Starbox end}}
'''Delta Geminorum (δ Gem / δ Geminorum)''' adalah salah satu bintang di rasi [[Gemini (constellation)|Gemini]]. Sebenarnya, bintang ini adalah
== Etimologi ==▼
▲Sebenarnya, bintang ini adalah [[bintang ganda]], yang lebih dingin dari [[Matahari]] dan tergolong kelas K. Bintang ini tidak tergolong cerah meskipun telah menggunakan teleskop. Periode orbit bintang ini adalah sekitar 1200 tahun. [http://www.astro.uiuc.edu/~kaler/sow/wasat.html]. Bintang ini ber[[magnitudo]] 3.50 dan berada pada jarak 59 [[tahun cahaya]] dari [[Bumi]].
Bintang ini sering disebut dengan nama tradisionalnya, yaitu '''Wasat'''. Nama ini berasal dari
▲==Etimologi==
▲Bintang ini sering disebut dengan nama tradisionalnya, yaitu '''Wasat'''. Nama ini berasal dari bahasa [[Arab]] yang berarti "tengah", namun tidak mewakili posisinya yang agak condong ke rasi [[Orion]]. Nama lainnya untuk bintang ini adalah :
{| class="wikitable"
Baris 18 ⟶ 65:
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|天樽西星 / Tiānzūnxīxīng||[[China]] ||bintang di barat rasi [[Daftar asterisme di Sumur#Cangkir Anggur di Langit|Cangkir Anggur di Langit]]<ref name=sb0>http://www.chinese-tools.com/tools/sinograms.html</ref>
|-
|Ta Tsun||[[China]] ||cangkir anggur<ref>http://penelope.uchicago.edu/Thayer/E/Gazetteer/Topics/astronomy/_Texts/secondary/ALLSTA/Gemini*.html</ref>
|}
== Lokasi ==
== Referensi ==▼
<ref name=aaa474_2_653>{{citation | title=Validation of the new Hipparcos reduction | last=van Leeuwen | first=F. | journal=Astronomy and Astrophysics | volume=474 | issue=2 |date=November 2007 | pages=653–664 | doi=10.1051/0004-6361:20078357 | bibcode=2007A&A...474..653V |arxiv = 0708.1752 }}</ref>
<ref name=Reiners2006>{{citation
| title=Rotation- and temperature-dependence of stellar latitudinal differential rotation
| last=Reiners | first=A. | 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 | postscript=. }}</ref>
<ref name=apjss192_1_2>{{citation | last1=Shaya | first1=Ed J. | last2=Olling | first2=Rob P. | title=Very Wide Binaries and Other Comoving Stellar Companions: A Bayesian Analysis of the Hipparcos Catalogue | journal=The Astrophysical Journal Supplement | volume=192 | issue=1 | page=2 |date=January 2011 | doi=10.1088/0067-0049/192/1/2 | bibcode=2011ApJS..192....2S |arxiv = 1007.0425 }}</ref>
<ref name=rgcrv>{{citation | last=Evans | first=D. S. | date=June 20–24, 1966 | editor=Batten, Alan Henry | editor2=Heard, John Frederick | title=The Revision of the General Catalogue of Radial Velocities | booktitle=Determination of Radial Velocities and their Applications, Proceedings from IAU Symposium no. 30 | location=University of Toronto | publisher=International Astronomical Union | url=http://adsabs.harvard.edu/abs/1967IAUS...30...57E | accessdate=2009-09-10 }}</ref>
<ref name=aaa493_3_1099>{{citation | last1=Schröder | first1=C. | last2=Reiners | first2=A. | last3=Schmitt | first3=J. H. M. M. | title=Ca II HK emission in rapidly rotating stars. Evidence for an onset of the solar-type dynamo | journal=Astronomy and Astrophysics | volume=493 | issue=3 | pages=1099–1107 |date=January 2009 | doi=10.1051/0004-6361:200810377 | bibcode=2009A&A...493.1099S }}</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 | date=1966 | bibcode=1966CoLPL...4...99J }}</ref>
<ref name=aaa418_989>{{citation | title=The Geneva-Copenhagen survey of the Solar neighbourhood. Ages, metallicities, and kinematic properties of ˜14 000 F and G dwarfs | display-authors=1 | last1=Nordström | first1=B. | last2=Mayor | first2=M. | last3=Andersen | first3=J. | last4=Holmberg | first4=J. | last5=Pont | first5=F. | last6=Jørgensen | first6=B. R. | last7=Olsen | first7=E. H. | last8=Udry | first8=S. | last9=Mowlavi | first9=N. | journal=Astronomy and Astrophysics | volume=418 | pages=989–1019 |date=May 2004 | doi=10.1051/0004-6361:20035959 | bibcode=2004A&A...418..989N |arxiv = astro-ph/0405198 }}</ref>
<ref name="SIMBAD">{{citation | title=Delta Geminorum (Wasat) | work=SIMBAD | publisher=[[Centre de Données astronomiques de Strasbourg]] | url=http://simbad.u-strasbg.fr/simbad/sim-id?Ident=Delta+Geminorum | accessdate=2011-06-03 }}</ref>
}}
▲[[Image:Gemini constellation map.png|thumb|none|250px|Gemini Constellation]]
{{bintang-stub}}
▲==Referensi==
▲{{reflist}}
[[Kategori:Rasi bintang Gemini]]
▲[[fr:Delta Geminorum]]
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