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Baris 1:
{{short description|Star in the constellation Virgo}}
{{refimprove}}
{{Starbox begin
| name = 70 Virginis
Baris 9:
{{Starbox observe
| epoch = J2000.0
| constell = [[Virgo (constellation)|Virgo]]
| ra = {{RA|13|28|25.80819}}<ref name=GaiaDR2>{{citation|url=http://vizier.u-strasbg.fr/viz-bin/VizieR-S?Gaia%20DR2%203740176925743650688 | title= Gaia DR2 record for this source}}</ref>
| ra = {{RA|13|28|25.81}}<ref name="van Leeuwen2007"/>
| dec = {{DEC|+13|46|43.66430}}<ref name="van Leeuwen2007"GaiaDR2/>
| appmag_v = +54.0097<ref name=Anderson2012/>
}}
{{Starbox character
| class = G4 &nbsp;V-IV<ref name="Strassmeier2017"/>
| r-i = 0.36
| v-r = 0.39
| b-v = {{Val|0.714|0.007}}<ref name=Anderson2012>{{citation | title=XHIP: An extended hipparcos compilation | last1=Anderson | first1=E. | last2=Francis | first2=Ch. | journal=Astronomy Letters | arxiv=1108.4971 | volume=38 | issue=5 | pages=331 | year=2012 | bibcode=2012AstL...38..331A | doi=10.1134/S1063773712050015 | postscript=. }}</ref>
| b-v = 0.71
| u-b = 0.26
| variable = tidak adanone
}}
{{Starbox astrometry
| radial_v = 5{{Val|4.44|0.13}}<ref name=Anderson2012/>
| prop_mo_ra = −236−235.02 ± 0.24562<ref name="van Leeuwen2007"GaiaDR2/>
| prop_mo_dec = −575−576.73 ± 0.19283<ref name="van Leeuwen2007"GaiaDR2/>
| parallax = 55.608347
| p_error = 0.171730
| parallax_footnote =<ref name="van Leeuwen2007"/>
| absmag_v = {{Val|+3.70 ± |0.01}}<ref name="Holmberg">{{cite web | url=http://vizier.u-strasbg.fr/viz-bin/VizieR-5?-out.add=.&-source=V/130/gcs3&recno=9191 | title=HD 117176 | work=Geneva-Copenhagen Survey of Solar neighbourhood III | author=Holmberg | date=2009 | accessdate=2010-02-02|display-authors=etal}}</ref>
}}
{{Starbox detail
Baris 35:
| metal_fe = −0.06<ref name="apj771_1_40"/>
| mass = 1.12<ref name=apjss192_1_2/>
| radius = {{Val|1.9 ± |0.1}}<ref name="Belle">{{cite journal | url=http://www.iop.org/EJ/abstract/0004-637X/694/2/1085/ | author=Gerard T. van Belle | author2=Kaspar von Braun | last-author-amp=yes | title=Directly Determined Linear Radii and Effective Temperatures of Exoplanet Host Stars | journal=The [[Astrophysical Journal]] | volume=694 | issue=2 | date=2009 | pages=1085–1098 | format=abstract | doi=10.1088/0004-637X/694/2/1085 | bibcode=2009ApJ...694.1085V|arxiv = 0901.1206 }} ([https://arxiv.org/abs/0901.1206 web Preprint])</ref>
| gravity = 3.58
| luminosity = {{Val|2.92 ± |0.03}}<ref name="apj771_1_40"/>
| temperature = 5,406 ± {{Val|5406|64|fmt=commas}}<ref name="apj771_1_40"/>
| rotational_velocity = 4.83<ref name=MartínezArnáiz2010>{{citation | display-authors=1 | last1=Martínez-Arnáiz | first1=R. | last2=Maldonado | first2=J. | last3=Montes | first3=D. | last4=Eiroa | first4=C. | last5=Montesinos | first5=B. | title=Chromospheric activity and rotation of FGK stars in the solar vicinity. An estimation of the radial velocity jitter | journal=Astronomy and Astrophysics | volume=520 | page=A79 | date=September 2010 | doi=10.1051/0004-6361/200913725 | postscript=. | bibcode=2010A&A...520A..79M | arxiv=1002.4391 }}</ref>
| rotation =
}}
{{Starbox catalog
|names = [[Henry{{odlist Draper| F=70 Vir catalogue|HD]] 117176,BD=+14°2621 [[Hipparcos| GJ=512.1 catalogue|HIP]] 65721,HD=117176 [[Harvard| RevisedHIP=65721 catalogue|HR]] HR=5072, [[Durchmusterung|BD]]+14°2621, GlSAO=100582 512.1,| WDS =13284+1347A, and SAO 100582.}}
}}
{{Starbox reference
Baris 52:
{{Starbox end}}
 
'''70 Virginis''' (disingkat '''70 Vir''') adalah bintang kerdilkatai kuning yang berjarak sekitar 59 [[tahun cahaya]]<ref name="van Leeuwen2007"/> di [[Virgo|konstelasi Virgo]]. Bintang ini memiliki cahaya luar biasa cerah untuk jenis [[spektral]] dan mungkin baru mulai berkembang ke fase [[Raksasaraksasa merah]].
 
Pada tahun 1996, 70 Virginis diketahui memiliki [[planet luar suryaeksoplanet]] yang mengorbit mengelilinginya.<ref name="Marcy1996"/> Ada juga piringan debu dengan suhu maksimum 153 [[Kelvin|K]] terletak pada jarak 3,4 [[Satuan astronomi|AU]] dari bintang.<ref name="Trilling2008"/>
 
== Sistem planet ==
Penemuan planet disekelilingdi sekeliling 70 Virginis diumumkan pada 17 Januari 1996 pada pertemuan [[American Astronomical Society]] di San Antonio, Texas. Planet itu terdeteksi menggunakan pengukuran [[kecepatan radial]] yang diambil dengan [[teleskop C. Donald Shane]] di [[Observatorium Lick]].<ref name="berkeleyMarcy1996"/><ref name="Marcy1996berkeley"/>
{{OrbitboxPlanet begin
| table_ref = <ref name="Kane2015"/>
}}
{{OrbitboxPlanet
Baris 67:
| semimajor = {{val|0.481|0.003}}
| eccentricity = {{val|0.399|0.002}}
}}
{{OrbitboxPlanet disk
| disk = Debu disc
| periapsis = >3.4
}}
{{Orbitbox end}}
Baris 94 ⟶ 98:
| arxiv=1306.2974 | doi=10.1088/0004-637X/771/1/40
| bibcode=2013ApJ...771...40B | postscript=.
}} </ref>
 
<ref name="Marcy1996">{{cite journal | title=A Planetary Companion to 70 Virginis | url=http://iopscience.iop.org/article/10.1086/310096/fulltext/ | last1=Marcy | first1=Geoffrey W. | last2=Butler | first2=R. Paul | journal=The Astrophysical Journal Letters | volume=464 | issue=1 | pages=L147–L151 | date=1996 | bibcode=1996ApJ...464L.147M | doi=10.1086/310096 }}</ref>
 
<ref name="Trilling2008">{{cite journal | title=Debris Disks around Sun-like Stars | url=http://iopscience.iop.org/article/10.1086/525514/fulltext/ | last1=Trilling | first1=D. E. | last2=Bryden | first2=G. | last3=Beichman | first3=C. A. | last4=Rieke | first4=G. H. | last5=Su | first5=K. Y. L. | last6=Stansberry | first6=J. A. | last7=Blaylock | first7=M. | last8=Stapelfeldt | first8=K. R. | last9=Beeman | first9=J. W. | display-authors=1 | journal=The Astrophysical Journal | volume=674 | issue=2 | pages=1086–1105 | date=2008 | arxiv=0710.5498 | bibcode=2008ApJ...674.1086T | doi=10.1086/525514 }}</ref>
 
 
<ref name="berkeley">{{cite press release | title=Discovery of two new planets -- the second and third within the last three months -- proves they aren't rare in our galaxy | last=Sanders | first=Robert | date=January 17, 1996 | publisher=University of California, Berkeley | url=http://www.berkeley.edu/news/media/releases/96legacy/releases.96/14301.html | accessdate=December 22, 2017 }}</ref>
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== Sumber ==
* [http://www.solstation.com/stars2/70virgin.htm:bintang 70 virginis]{{Pranala mati|date=Januari 2021 |bot=InternetArchiveBot |fix-attempted=yes }}
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▲{{DEFAULTSORT:70 Virginis}}
[[Kategori:Bintang]]
[[Kategori:Rasi bintang Virgo]]
 
 
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