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Darhnh (bicara | kontrib)
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(5 revisi perantara oleh 3 pengguna tidak ditampilkan)
Baris 4:
{{Starbox image
| image = [[Berkas:Barnardstar2006.jpg|250px]]
| caption = Lokasi Bintang Barnard, 2006
}}
{{Starbox observe
| epoch = [[J2000.0]]
| constell = [[OphiuchusOfiukus]]
| pronounce = {{IPAc-en|ˈ|b|ɑr|n|ər|d|z}}
| ra = {{RA|17|57|48,.49803}}<ref name=hipparcos>{{cite journal|bibcode=2007A&A...474..653V|title=Validation of the new Hipparcos reduction|journal=Astronomy and Astrophysics|volume=474|issue=2|pages=653653–664|author1last1=Van Leeuwen|first1=F.|year=2007|doi=10.1051/0004-6361:20078357|arxiv = 0708.1752 }}</ref>
| dec = {{DEC|+04|41|36,.2072}}<ref name=hipparcos/>
| appmag_v = 9,.511<ref name=koen/>
}}
{{Starbox character
| class = M4.0V<ref name=gizis>{{cite journal|bibcode=1997AJ....113..806G|title=M-Subdwarfs: Spectroscopic Classification and the Metallicity Scale|journal=The Astronomical Journal |volume=113|pages=806806–822|author1last1=Gizis|first1=John E.|year=1997|doi=10.1086/118302|arxiv = astro-ph/9611222 }}</ref>
| appmag_1_passband = U
| appmag_1 = 12,.497<ref name=koen/>
| appmag_2_passband = B
| appmag_2 = 11,.240<ref name=koen>{{cite journal|bibcode=2010MNRAS.403.1949K|title=UBV(RI)C JHK observations of Hipparcos-selected nearby stars|journal=Monthly Notices of the Royal Astronomical Society|volume=403|issue=4|pages=1949|author1last1=Koen|first1=C.|last2=Kilkenny|first2=D.|last3=Van Wyk|first3=F.|last4=Marang|first4=F.|year=2010|doi=10.1111/j.1365-2966.2009.16182.x}}</ref>
| appmag_3_passband = R
| appmag_3 = 8,.298<ref name=koen/>
| appmag_4_passband = I
| appmag_4 = 6,.741<ref name=koen/>
| appmag_5_passband = J
| appmag_5 = 5,.24<ref name=2mass>{{cite journal|bibcode=2003yCat.2246....0C|title=VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)|journal=VizieR On-line Data Catalog: II/246. Originally publishedPublished in: 2003yCat.2246....0C|volume=2246|pages=0|author1last1=Cutri|first1=R. M.|last2=Skrutskie|first2=M. F.|last3=Van Dyk|first3=S.|last4=Beichman|first4=C. A.|last5=Carpenter|first5=J. M.|last6=Chester|first6=T.|last7=Cambresy|first7=L.|last8=Evans|first8=T.|last9=Fowler|first9=J.|last10=Gizis|first10=J.|last11=Howard|first11=E.|last12=Huchra|first12=J.|last13=Jarrett|first13=T.|last14=Kopan|first14=E. L.|last15=Kirkpatrick|first15=J. D.|last16=Light|first16=R. M.|last17=Marsh|first17=K. A.|last18=McCallon|first18=H.|last19=Schneider|first19=S.|last20=Stiening|first20=R.|last21=Sykes|first21=M.|last22=Weinberg|first22=M.|last23=Wheaton|first23=W. A.|last24=Wheelock|first24=S.|last25=Zacarias|first25=N.|year=2003}}</ref>
| appmag_6_passband = H
| appmag_6 = 4,.83<ref name=2mass/>
| appmag_7_passband = K
| appmag_7 = 4,.524<ref name=2mass/>
| r-i = 1.557<!--R-Iref color--name=koen/>
| v-r = 1.213<!--V-Rref color--name=koen/>
| b-v = 1,.713<ref name=koen/>
| u-b = 1,.257<ref name=koen/>
| variable = [[Variabel BY Draconis|BY Draconis]]<ref name=gcvs>{{cite journal|bibcode=2009yCat....102025S|title=VizieR Online Data Catalog: General Catalogue of Variable Stars (Samus+ 2007-2013)|journal=VizieR On-line Data Catalog: B/gcvs. Originally Published in: 2009yCat....102025S|volume=1|pages=B/gcvs|display-authors=etal|author1=Samus|first1=N. N.|last2=Durlevich|first2=O. V.|year=2009}}</ref>
| variable = [[BY Draconis variable|BY Draconis]]
}}
{{Starbox astrometry
| radial_v = −110,.6 ± 0,.2<ref name="Bobylev:arXiv1003.2160">{{cite journal |last=Bobylev |first=Vadim V. |date=March 2010 |title=Searching for Stars Closely Encountering with the Solar System |journal=Astronomy Letters |volume=36 |issue=3 |pages=220–226 |doi=10.1134/S1063773710030060 |arxiv=1003.2160 |bibcode=2010AstL...36..220B}}</ref>
| prop_mo_ra = −798,71−802.803<ref name=hipparcosGaia>{{Cite DR2|4472832130942575872}}</ref>
| prop_mo_dec = 10337,7710362.542<ref name=hipparcosGaia/>
| parallax = 547.4514506
| p_error = 0.2902899
| parallax_footnote =<ref name=Gaia/>
| dist_ly =
| dist_pc =
| absmag_v = 13,.21<ref name=koen/>
}}
{{Starbox detail
| source = <!--[source url]-->
| mass = 0,.144<ref name=al36_3_220/>
| radius = {{nowrap|0,.196 ± 0,.008}}<ref name=aaa505_1_205/>
| gravity = <!--Surface gravity (given as the base 10 logarithm expressed in cgs units)-->
| luminosity_visual = 0,.0004<ref name="Dawson" />
| luminosity_bolometric = 0,.0035<ref name="Dawson" />
| temperature = 3.,134 ± 102<ref name="Dawson" />
| metal = 10–32% [[Matahari]]<ref name="Gizis">{{cite journal | author = Gizis, John E. |date=February 1997| title = M-Subdwarfs: Spectroscopic Classification and the Metallicity Scale | journal = The Astronomical Journal | bibcode = 1997AJ....113..806G | volume = 113 | issue = 2 | page = 820 | doi=10.1086/118302|arxiv = astro-ph/9611222 }}</ref>
| rotation = 130,.4 [[hari|h]]<ref name="Benedict1998" />
| ageage_gyr = ≈ 10 miliar<ref name="Riedel2005" />
}}
{{Starbox catalog
Baris 76:
{{OrbitboxPlanet begin
| name = Bintang Barnard
| table_ref = <ref>{{Cite journal|last=Anglada-Escudé|first=G.|last2=Wang|first2=S. X.|last3=Tsapras|first3=Y.|last4=Mascareño|first4=A. Suárez|last5=Street|first5=R. A.|last6=Staab|first6=D.|last7=Shectman|first7=S. A.|last8=Seifert|first8=W.|last9=Schweitzer|first9=A.|date=2018-11-14|year=|title=A candidate super-Earth planet orbiting near the snow line of Barnard's star|url=https://arxiv.org/abs/1811.05955v2|journal=|language=en|volume=|issue=|pages=|arxiv=1811.05955v2|doi=10.1038/s41586-018-0677-y}}</ref>
| table_ref = <ref name=Ribas/>
}}
{{OrbitboxPlanet
| exoplanet = [[Barnard'sBintang StarBarnard b|b]]
| mass_earth = ≥{{Val|3.23|0.44}}
| period = {{Val|232.80|0.38|0.41}}
Baris 89:
 
== Referensi ==
{{Reflist}}|30em|refs=
<ref name=an230_77>{{cite journal | title=Einweißer Stern mit bedeutender absoluter Größe | last=Perepelkin | first=E. | journal=Astronomische Nachrichten | volume=230 | issue=4 | page=77 |date=April 1927 | language=German | bibcode=1927AN....230...77P | doi=10.1002/asna.19272300406}}</ref>
 
<ref name=rukl1999>{{cite book | first=Antonin | last=Rukl | year=1999 | title=Constellation Guidebook | page=158 | publisher=Sterling Publishing | isbn=978-0-8069-3979-7 }}</ref>
 
<ref name=bis11_12_170>{{cite journal | title=Barnard's Star and its Perturbations | journal=[[Spaceflight (magazine)|Spaceflight]] | volume=11 | page=170 | year=1969 }}</ref>
 
<ref name=aaa505_1_205>{{citation | last1=Demory | first1=B.-O. | last2=Ségransan | first2=D. | last3=Forveille | first3=T. | last4=Queloz | first4=D. | last5=Beuzit | first5=J.-L. | last6=Delfosse | first6=X. | last7=di Folco | first7=E. | last8=Kervella | first8=P. | last9=Le Bouquin | first9=J.-B. | last10=Perrier | first10=C. | last11=Benisty | first11=M. | last12=Duvert | first12=G. | last13=Hofmann | first13=K.-H. | last14=Lopez | first14=B. | last15=Petrov | first15=R. | title=Mass-radius relation of low and very low-mass stars revisited with the VLTI | journal=Astronomy and Astrophysics | volume=505 | issue=1 | pages=205–215 |date=October 2009 | doi=10.1051/0004-6361/200911976 | bibcode=2009A&A...505..205D |arxiv = 0906.0602 | display-authors=1 }}</ref>
 
<ref name="Kaler">{{cite web|first=James B. |last=Kaler |url=http://www.astro.uiuc.edu/~kaler/sow/barnard.html |title=Barnard's Star (V2500 Ophiuchi) |date=November 2005 |work=Stars |publisher=James B. Kaler |accessdate=12 July 2018 |archiveurl=https://web.archive.org/web/20060905110505/http://www.astro.uiuc.edu/~kaler/sow/barnard.html |archivedate=5 September 2006 |url-status=dead }}</ref>
 
}}
 
{{bintang-stub}}
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