imported>Jimmy-bot：机器人: 尚未清空的已重定向分类（Cat:橙矮星→Cat:K型主序星）

2024-06-25T11:26:30Z

机器人: 尚未清空的已重定向分类（Cat:橙矮星→Cat:K型主序星）

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{{Starbox begin
| name = WASP-2
}}
{{Starbox observe 2s
| epoch = [[J2000.0]]
| constell = [[海豚座]]
| component1 = A<ref name="binary" />
| ra1 = {{RA|20|30|54.1300}}<ref name="SIMBAD" />
| dec1 = {{DEC|+06|25|46.37}}<ref name="SIMBAD" />
| appmag_v1 = +11.98<ref name="SIMBAD" />
| component2 = C<sup id="fn_a_back">[[#fn a|a]]</sup>''
| ra2 = ~{{RA|20|30|54}}<ref name="binary" />
| dec2 = ~{{DEC|+06|25|46}}<ref name="binary" />
| appmag_v2 = 15.38<ref name="binary" />
}}
{{Starbox character
| class = K1V<ref name="disc"/>/M<ref name="binary" />
| appmag_1_passband = B
| appmag_1 = ~13<ref name="SIMBAD" />
| appmag_2_passband = V
| appmag_2 = ~11.98<ref name="SIMBAD" />
| appmag_3_passband = J
| appmag_3 = 10.166±0.027<ref name="SIMBAD" />
| appmag_4_passband = H
| appmag_4 = 9.752±0.026<ref name="SIMBAD" />
| appmag_5_passband = K
| appmag_5 = 9.632±0.024<ref name="SIMBAD" />
| variable =
}}
{{Starbox astrometry
| radial_v =
| prop_mo_ra = 3.0<ref name="SIMBAD" />
| prop_mo_dec = -53.1<ref name="SIMBAD" />
| parallax =
| p_error = 3.5 3.3 90
| dist_ly = 469
| dist_pc = 144
| absmag_v =
}}
{{Starbox detail
| age =
| metal =
| mass = 0.77<ref name="binary" />/0.48<ref name="binary" />
| radius = 0.834 ±0.08
| rotation =
| luminosity =
| temperature = 5200 ±200
}}
{{Starbox catalog
| names = [[Guide Star Catalog|GSC]] 00522-01199, [[SuperWASP|1SWASP]] J203054.12+062546.4,
| USNO-B1.0 0964-00543604, [[2MASS]] J20305413+0625463, UCAC2 34018636
}}
{{Starbox reference |
| Simbad=WASP-2
| EPE=WASP-2
}}
{{Starbox end}}

'''WASP-2'''是位於[[海豚座]]，距離469光年，[[視星等]]12等的一顆[[橘色矮星]] <ref name="SIMBAD">{{cite web
| url=http://simbad.u-strasbg.fr/simbad/sim-id?Ident=GSC00522-01199
| title=SIMBAD query result: GSC 00522-01199 -- Star
| publisher=Centre de Données astronomiques de Strasbourg
| accessdate=2009-05-04
| archive-date=2013-12-29
| archive-url=https://web.archive.org/web/20131229003939/http://simbad.u-strasbg.fr/simbad/sim-id?Ident=GSC00522-01199
}}</ref><br />。

== 行星系統 ==
在2006年，[[SuperWASP]]專案計畫發現這顆恆星有一顆[[系外行星]][[WASP-2b]]<ref name="disc">{{cite journal
| author=Cameron et al.
| title=WASP-1b and WASP-2b: two new transiting exoplanets detected with SuperWASP and SOPHIE
| journal=[[Monthly Notices of the Royal Astronomical Society]]
| volume=375
| year=2007
| pages=951–957
| doi=10.1111/j.1365-2966.2006.11350.x
| last2=Bouchy
| first2=F.
| last3=Hébrard
| first3=G.
| last4=Maxted
| first4=P.
| last5=Pollacco
| first5=D.
| last6=Pont
| first6=F.
| last7=Skillen
| first7=I.
| last8=Smalley
| first8=B.
| last9=Street
| first9=R. A.
}}{{Dead link}}{{Dead link|date=2019年10月 |bot=InternetArchiveBot |fix-attempted=yes }} ([http://xxx.lanl.gov/abs/astro-ph?papernum=0609688 web Preprint])</ref>。

{{PlanetboxOrbit begin}}
{{Orbitbox
| exoplanet = [[WASP-2b|b]]
| mass = 0.914 ±0.092<ref name="binary" />
| period = 2.152226 ±4e-05
| semimajor = 0.03138 ±0.00142<ref name="binary" />
| eccentricity = 0
}}
{{Orbitbox end}}

== 聯星 ==
在2008年，一個研究小組以[[系外行星偵測法#凌日法|凌日法]]研究14顆原本使用相對較小的望遠鏡已經發現有行星的恆星。這些系統以[[西班牙]][[卡拉上天文台]] {{convert|2.2|m|in|abbr=on}} [[反射望遠鏡]]重新審視。這個系統，和另外兩個系統，被確認為有過去未知的[[聯星]]系統。以前不知道的伴星是一顆暗淡的[[恆星類型|M-型恆星]]，[[視星等]]15等，與主星鄉巨大約111[[天文單位|AU]]，在影像中與主星的角距離為1角秒。此一發現導致重新計算主星和行星的軌道參數<ref name=binary>{{cite journal
| url=http://www.mpia.de/homes/henning/Publications/daemgen.pdf
| title=Binarity of transit host stars - Implications for planetary parameters
| year=2009
| volume=498
| pages=567–574
| author=Daemgen ''et al.''
| journal=[[Astronomy and Astrophysics]]
| doi=10.1051/0004-6361/200810988
| last2=Hormuth
| first2=F.
| last3=Brandner
| first3=W.
| last4=Bergfors
| first4=C.
| last5=Janson
| first5=M.
| last6=Hippler
| first6=S.
| last7=Henning
| first7=T.
| access-date=2010-07-17
| archive-date=2012-03-06
| archive-url=https://web.archive.org/web/20120306011905/http://www.mpia.de/homes/henning/Publications/daemgen.pdf
| dead-url=no
}}</ref>。

== 註解 ==
* <cite id="fn_a">[[#fn a back|Note b:]]</cite> 伴星被標示為大寫字母"C" ，以免與小寫的行星標示"b"混淆。<ref name=binary/>
* {{cite journal | url=http://www.blackwell-synergy.com/doi/abs/10.1111/j.1365-2966.2006.11350.x | author=Cameron et al. | title=WASP-1b and WASP-2b: two new transiting exoplanets detected with SuperWASP and SOPHIE | journal=[[Monthly Notices of the Royal Astronomical Society]] | volume=375 | year=2007 | pages=951–957 }}{{Dead link}}{{Dead link|date=2019年10月 |bot=InternetArchiveBot |fix-attempted=yes }}
== 相關條目 ==
* [[SuperWASP]]
* [[WASP-1]]
* [[WASP-2b]]

== 參考資料 ==
{{reflist}}

== 外部連結 ==
* {{cite web
| url=http://media4.obspm.fr/exoplanets/base/etoile.php?nom=WASP-2
| title=WASP-2
| work=Exoplanets
| accessdate=2009-05-04
| archive-url=https://www.webcitation.org/6HvPVTB67?url=http://media4.obspm.fr/exoplanets/base/etoile.php?nom=WASP-2
| archive-date=2013-07-07
| dead-url=yes
}}

{{Sky|20|30|54.130|+|06|25|46.37|470}}

[[Category:海豚座]]
[[Category:行星凌變星]]
[[Category:太陽系外行星]]
[[Category:聯星]]
[[Category:K型主序星]]

WASP-2 - 版本历史

imported>Jimmy-bot：​机器人: 尚未清空的已重定向分类（Cat:橙矮星→Cat:K型主序星）

imported>Jimmy-bot：机器人: 尚未清空的已重定向分类（Cat:橙矮星→Cat:K型主序星）