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Cat-a-lot：分类间移动：从Category:G-型主序星到Category:G型主序星 using Cat-a-lot

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{{Starbox begin
| name = WASP-4
}}
{{Starbox image
| image = [[Image:Planet WASP-4.png|250px|center]]
| caption = 藝術家筆下呈現的WASP-4 b
}}
{{Starbox observe
| epoch = J2000.0
| constell = [[鳳凰座]]
| ra = {{RA|23|34|15.06}}<ref name=sb />
| dec = {{DEC|−42|03|41.1}}<ref name=sb />
| appmag_v = 12.5<ref name=wasp />
}}
{{Starbox character
| class = G7V<ref name=sb />
| appmag_1_passband = V
| appmag_1 = 13.0<ref name=sb />
| appmag_2_passband = R
| appmag_2 = 11.9<ref name=sb />
| variable=V*(1SWASP)<ref name=sb />
}}
{{Starbox astrometry
| dist_ly = 1000 ± 160
| dist_pc = 300 ± 50<ref name=wasp />
}}
{{Starbox detail
| mass = 0.85 +0.11-0.07<ref name=metrics>{{cite journal
|title=Improved parameters for the transiting hot Jupiters WASP-4b and WASP-5b
|author=Gillon ''et al.''
|journal=[[Astronomy and Astrophysics]]
|url=http://www.aanda.org/index.php?option=article&access=standard&Itemid=129&url=/articles/aa/abs/2009/10/aa10929-08/aa10929-08.html
|volume=496
|year=2009
|pages=259–267
|doi=10.1051/0004-6361:200810929
|last2=Smalley
|first2=B.
|last3=Hebb
|first3=L.
|last4=Anderson
|first4=D. R.
|last5=Triaud
|first5=A. H. M. J.
|last6=Hellier
|first6=C.
|last7=Maxted
|first7=P. F. L.
|last8=Queloz
|first8=D.
|last9=Wilson
|first9=D. M.
|deadurl=yes
|archiveurl=https://web.archive.org/web/20100408055411/http://www.aanda.org/index.php?option=article&access=standard&Itemid=129&url=%2Farticles%2Faa%2Fabs%2F2009%2F10%2Faa10929-08%2Faa10929-08.html
|archivedate=2010-04-08
|access-date=2017-06-16
}}</ref>
| radius = 0.87 +0.04-0.03<ref name=metrics />
| gravity = 4.45{{±|0.016|0.029}}<ref name=wasp />
| temperature = 5500 ± 150<ref name=wasp />
| metal = [M/H]=0.0 ± 0.2<ref name=wasp />
}}
{{Starbox catalog
| names = [[SuperWASP|1SWASP]] J233415.06-420341.1, USNO-B1.0 0479-00948995<ref name=sb />
}}
{{Starbox reference
| EPE=WASP-4
| Simbad=WASP-4
}}
{{Starbox end}}

'''WASP-4'''是位於[[鳳凰座]]，距離大約1,000光年的[[GV恆星|G-型主序星]] <ref name=sb>{{SIMBAD link|WASP+4|WASP-4}}, entry, [[SIMBAD]]. Accessed on line June 19, 2008.</ref>。

== 行星系統 ==
在2007年，發現了一顆[[系外行星]][[WASP-4b]]環繞著這顆恆星<ref name=wasp>{{ cite journal
| title=WASP-4b: A 12th Magnitude Transiting Hot Jupiter in the Southern Hemisphere
| url=http://www.iop.org/EJ/article/1538-4357/675/2/L113/22429.html
| author= Wilson ''et al.''
| journal=[[The Astrophysical Journal]] Letters
| volume=675
| issue=2
| pages=L113–L116
| bibcode=2008ApJ...675L.113W
| doi=10.1086/586735|date=March 2008}}</ref>。

{{PlanetboxOrbit begin}}
{{OrbitboxPlanet
| exoplanet = [[WASP-4b]]
| mass = 1.237 ± 0.064<ref name=metrics2>{{ cite journal
| title=THE TRANSIT LIGHT CURVE PROJECT. XI. SUBMILLIMAGNITUDE PHOTOMETRY OF TWO TRANSITS OF THE BLOATED PLANET WASP-4b
| author=Winn ''et al.''
| journal= The Astronomical Journal
| url=http://www.iop.org/EJ/abstract/1538-3881/137/4/3826
| volume=137
| issue=4
| pages= 3826–3833
| doi=10.1088/0004-6256/137/4/3826
| last2=Holman
| first2=Matthew J.
| last3=Carter
| first3=Joshua A.
| last4=Torres
| first4=Guillermo
| last5=Osip
| first5=David J.
| last6=Beatty
| first6=Thomas|date=April 2009}}</ref>
| semimajor = 0.0230±0.001
| period = 1.3382282±0.000003
| eccentricity = 0
}}
{{Orbitbox end}}

==相關條目==
* [[SuperWASP]]
* [[太陽系外行星列表]]

== 參考資料 ==
{{reflist}}

== 外部連結 ==
* {{cite web |url=http://www.superwasp.org/ |title=SuperWASP Homepage |accessdate=2008-07-02 |work= |publisher= |date= |archive-date=2011-01-31 |archive-url=https://web.archive.org/web/20110131025228/http://www.superwasp.org/ |dead-url=yes }}
* {{cite web |url=http://www.superwasp.org/press_release2/WASP2007_national_pressV5.pdf |title=UK planet hunters announce three new finds |accessdate=2008-07-02 |work= |publisher= |date=2007-10-30 |archive-date=2010-06-12 |archive-url=https://web.archive.org/web/20100612233157/http://superwasp.org/press_release2/WASP2007_national_pressV5.pdf |dead-url=yes }}
{{-}}

{{Sky|23|34|15.06|-|42|03|41.1|1000}}

[[Category:鳳凰座|WASP-04]]
[[Category:G型主序星|WASP-04]]
[[Category:太陽系外行星|WASP-04]]

WASP-4 - 版本历史

imported>Yumeto：​Cat-a-lot：分类间移动：从Category:G-型主序星到Category:G型主序星 using Cat-a-lot

imported>Yumeto：Cat-a-lot：分类间移动：从Category:G-型主序星到Category:G型主序星 using Cat-a-lot