16 Cygni: Perbedaan antara revisi
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{{Starbox begin|name=16 Cygni}}
'''16 Cygni''' atau '''16 Cyg''' adalah sebutan untuk sistem tiga bintang yang berjarak sekitar 69 tahun cahaya dari Bumi di konstelasi [[Cygnus]]. Sistem ini memiliki 2 bintang kuning kecil yang memiliki kemiripan dengan Matahari, yaitu 16 Cygni A dan Cygni B, dengan bintang [[katai merah]], 16 Cygni C.▼
{{Starbox observe 2s|epoch=J2000.0|constell=[[Cygnus]]|component1=16 Cygni A|ra1={{RA|19|41|48.95}}<ref name="van Leeuwen2007"/>|dec1={{DEC|+50|31|30.2}}<ref name="van Leeuwen2007"/>|appmag_v1=5.96|component2=16 Cygni B|ra2={{RA|19|41|51.97}}<ref name="van Leeuwen2007"/>|dec2={{DEC|+50|31|03.1}}<ref name="van Leeuwen2007"/>|appmag_v2=6.20}}
{{Starbox character|class=G1.5Vb / G2.5Vb / M?V|r-i=<!--R-I color-->|v-r=<!--V-R color-->|b-v=0.64 / 0.66|u-b=0.19 / 0.20|variable=''None''}}
{{Starbox astrometry|component1=16 Cyg A|radial_v=|prop_mo_ra={{val|−148.299|0.063}}<ref name="Gaia DR2 A"/>|prop_mo_dec={{val|−158.961|0.070}}<ref name="Gaia DR2 A"/>|parallax=47.2771|p_error=0.0327|parallax_footnote=<ref name="Gaia DR2 A"/>|absmag_v=4.29|component2=16 Cyg B|radial_v2=|prop_mo_ra2={{val|−134.791|0.049}}<ref name="Gaia DR2 B"/>|prop_mo_dec2={{val|−162.493|0.045}}<ref name="Gaia DR2 B"/>|parallax2=47.2754|p_error2=0.0245|parallax_footnote2=<ref name="Gaia DR2 B"/>|absmag_v2=4.53}}
{{Starbox detail|component1=16 Cyg A|mass2={{val|1.04|0.02}}<ref name="Metcalfe2015"/>|rotational_velocity2=1.35 ± 0.08<ref name=Davies2015/>|rotation2=23.2{{±|11.5|3.2}} d<ref name=Davies2015/>|metal2_fe=0.054 ± 0.008<ref name="TucciMaia2014" />|temperature2={{nowrap|5,751 ± 11}}<ref name=TucciMaia2014/>|gravity2={{val|4.359|0.002}}<ref name="Metcalfe2015"/>|luminosity2={{val|1.25|0.05}}<ref name="Metcalfe2015"/>|radius2={{val|1.116|0.006}}<ref name="Metcalfe2015"/>|component2=16 Cyg B|mass={{val|1.08|0.02}}<ref name="Metcalfe2015"/>|age_gyr={{val|7.07|0.26}}<ref name="Metcalfe2015"/>|rotational_velocity=2.23 ± 0.07<ref name=Davies2015>{{cite journal|bibcode=2015MNRAS.446.2959D|title=Asteroseismic inference on rotation, gyrochronology and planetary system dynamics of 16 Cygni|journal=Monthly Notices of the Royal Astronomical Society|volume=446|issue=3|pages=2959|last1=Davies|first1=G. R|last2=Chaplin|first2=W. J|last3=Farr|first3=W. M|last4=García|first4=R. A|last5=Lund|first5=M. N|last6=Mathis|first6=S|last7=Metcalfe|first7=T. S|last8=Appourchaux|first8=T|last9=Basu|first9=S|last10=Benomar|first10=O|last11=Campante|first11=T. L|last12=Ceillier|first12=T|last13=Elsworth|first13=Y|last14=Handberg|first14=R|last15=Salabert|first15=D|last16=Stello|first16=D|year=2015|doi=10.1093/mnras/stu2331|arxiv=1411.1359}}</ref>|rotation=23.8{{±|1.5|1.8}} d<ref name=Davies2015/>|metal_fe=0.101 ± 0.008<ref name="TucciMaia2014" />|temperature={{nowrap|5,830 ± 11}}<ref name=TucciMaia2014>{{cite journal| bibcode=2014ApJ...790L..25T| title=High Precision Abundances in the 16 Cyg Binary System: A Signature of the Rocky Core in the Giant Planet| journal=The Astrophysical Journal| volume=790| issue=2| pages=L25| last1=Tucci Maia| first1=Marcelo| last2=Meléndez| first2=Jorge| last3=Ramírez| first3=Iván| year=2014| doi=10.1088/2041-8205/790/2/L25| arxiv=1407.4132}}</ref>|gravity={{val|4.292|0.003}}<ref name="Metcalfe2015"/>|luminosity={{val|1.55|0.07}}<ref name="Metcalfe2015"/>|radius={{val|1.229|0.008}}<ref name="Metcalfe2015"/>|age_gyr2={{val|6.74|0.24}}<ref name="Metcalfe2015"/>}}
{{Starbox catalog|names='''16 Cygni A'''<br>[[Durchmusterung|BD]]+50 2847, [[General Catalogue of Trigonometric Parallaxes|GCTP]] 4634.00, [[Gliese Catalogue of Nearby Stars|GJ]] 765.1 A, [[Henry Draper catalogue|HD]] 186408, [[Hipparcos catalogue|HIP]] 96895, [[Harvard Revised catalogue|HR]] 7503, [[Luyten Two-Tenths catalogue|LTT]] 15750, [[Smithsonian Astrophysical Observatory Star Catalog|SAO]] 31898, Struve 4046A<br>'''16 Cygni B'''<br>BD+50 2848, GJ 765.1 B, HD 186427, HIP 96901, HR 7504, LTT 15751, SAO 31899, Struve 4046B, {{KIC|12069449}}}}
{{Starbox reference|Simbad=16+Cygni|Simbad2=HD+186408 A|Simbad3=HD+186427 B|EPE=16+Cyg+B|ARICNS=<!--Code-->}}
{{Starbox end}}
▲'''16 Cygni''' atau '''16 Cyg''' adalah sebutan untuk
== Referensi ==
{{reflist|refs=
<ref name="van Leeuwen2007">{{cite journal | title=Validation of the new Hipparcos reduction | url=https://www.aanda.org/articles/aa/full/2007/41/aa8357-07/aa8357-07.html | last1=van Leeuwen | first1=F. | journal=Astronomy and Astrophysics | volume=474 | issue=2 | pages=653–664 | year=2007 | arxiv=0708.1752 | bibcode=2007A&A...474..653V | bibcode-access=free | doi=10.1051/0004-6361:20078357 | doi-access=free }} [http://webviz.u-strasbg.fr/viz-bin/VizieR-5?-out.add=.&-source=I/311/hip2&recno=96568 Vizier catalog entry for A ][http://webviz.u-strasbg.fr/viz-bin/VizieR-5?-out.add=.&-source=I/311/hip2&recno=96574 Vizier catalog entry for B ]</ref>
<ref name="Gaia DR2 A">{{cite DR2|2135550755683405952}}</ref>
<ref name="Gaia DR2 B">{{cite DR2|2135550755683407232}}</ref>
<ref name="Metcalfe2015">{{cite journal | title=Asteroseismic Modeling of 16 Cyg A & B using the Complete Kepler Data Set | last1=Metcalfe | first1=Travis S. | last2=Creevey | first2=Orlagh L. | last3=Davies | first3=Guy R. | journal=The Astrophysical Journal Letters | volume=811 | issue=2 | at=L37 | year=2015 | arxiv=1508.00946 | bibcode=2015ApJ...811L..37M | bibcode-access=free | doi=10.1088/2041-8205/811/2/L37 | doi-access=free }}</ref>
}}
== Pranala luar ==
* {{cite web |url=http://exoplanet.eu/star.php?st=16+Cyg+B |title=Notes for star 16 Cyg B |author=Jean Schneider |date=2011 |publisher=[[Extrasolar Planets Encyclopaedia]] |accessdate=30 September 2011}}
* {{cite web |url=http://www.solstation.com/stars2/16cygni2.htm |title=16 Cygni 2? |accessdate=2008-06-24 |website=SolStation}}
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