WASP-2:修订间差异
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{{Starbox begin |
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'''WASP-2'''是一個位在[[海豚座]]的恆星, 目前發現一個叫做[[WASP-2b]]的恆星環繞著它。 |
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| name = WASP-2 |
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==參見== |
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}} |
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*[[WASP-2b]] |
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{{Starbox observe 2s |
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==參考文獻== |
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| epoch = [[J2000.0]] |
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* {{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 }} |
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| constell = [[海豚座]] |
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{{天文小作品}} |
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| component1 = A<ref name="binary" /> |
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[[Category:海豚座]] |
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| ra1 = {{RA|20|30|54.1300}}<ref name="SIMBAD" /> |
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| dec1 = {{DEC|+06|25|46.37}}<ref name="SIMBAD" /> |
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| appmag_v1 = +11.98<ref name="SIMBAD" /> |
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| component2 = C<sup id="fn_a_back">[[#fn a|a]]</sup>'' |
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| ra2 = ~{{RA|20|30|54}}<ref name="binary" /> |
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| dec2 = ~{{DEC|+06|25|46}}<ref name="binary" /> |
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| appmag_v2 = 15.38<ref name="binary" /> |
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}} |
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{{Starbox character |
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| class = K1V<ref name="disc"/>/M<ref name="binary" /> |
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| appmag_1_passband = B |
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| appmag_1 = ~13<ref name="SIMBAD" /> |
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| appmag_2_passband = V |
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| appmag_2 = ~11.98<ref name="SIMBAD" /> |
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| appmag_3_passband = J |
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| appmag_3 = 10.166±0.027<ref name="SIMBAD" /> |
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| appmag_4_passband = H |
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| appmag_4 = 9.752±0.026<ref name="SIMBAD" /> |
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| appmag_5_passband = K |
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| appmag_5 = 9.632±0.024<ref name="SIMBAD" /> |
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| variable = |
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}} |
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{{Starbox astrometry |
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| radial_v = |
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| prop_mo_ra = 3.0<ref name="SIMBAD" /> |
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| prop_mo_dec = -53.1<ref name="SIMBAD" /> |
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| parallax = |
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| p_error = 3.5 3.3 90 |
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| dist_ly = 469 |
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| dist_pc = 144 |
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| absmag_v = |
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}} |
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{{Starbox detail |
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| age = |
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| metal = |
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| mass = 0.77<ref name="binary" />/0.48<ref name="binary" /> |
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| radius = 0.834 ±0.08 |
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| rotation = |
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| luminosity = |
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| temperature = 5200 ±200 |
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}} |
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{{Starbox catalog |
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| names = [[Guide Star Catalog|GSC]] 00522-01199, [[SuperWASP|1SWASP]] J203054.12+062546.4, |
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| USNO-B1.0 0964-00543604, [[2MASS]] J20305413+0625463, UCAC2 34018636 |
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}} |
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{{Starbox reference | |
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| Simbad=WASP-2 |
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| EPE=WASP-2 |
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}} |
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{{Starbox end}} |
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'''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 |
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[[de:WASP-2]] |
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| url=http://simbad.u-strasbg.fr/simbad/sim-id?Ident=GSC00522-01199 |
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[[en:WASP-2]] |
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| title=SIMBAD query result: GSC 00522-01199 -- Star |
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[[es:WASP-2]] |
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| publisher=Centre de Données astronomiques de Strasbourg |
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[[ko:WASP-2]] |
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| accessdate=2009-05-04 |
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[[pl:WASP-2]] |
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| archive-date=2013-12-29 |
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[[ru:WASP-2]] |
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| archive-url=https://web.archive.org/web/20131229003939/http://simbad.u-strasbg.fr/simbad/sim-id?Ident=GSC00522-01199 |
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}}</ref><br />。 |
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== 行星系統 == |
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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 |
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| author=Cameron et al. |
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| title=WASP-1b and WASP-2b: two new transiting exoplanets detected with SuperWASP and SOPHIE |
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| journal=[[Monthly Notices of the Royal Astronomical Society]] |
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| volume=375 |
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| year=2007 |
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| pages=951–957 |
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| doi=10.1111/j.1365-2966.2006.11350.x |
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| last2=Bouchy |
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| first2=F. |
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| last3=Hébrard |
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| first3=G. |
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| last4=Maxted |
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| first4=P. |
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| last5=Pollacco |
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| first5=D. |
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| last6=Pont |
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| first6=F. |
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| last7=Skillen |
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| first7=I. |
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| last8=Smalley |
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| first8=B. |
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| last9=Street |
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| first9=R. A. |
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}}{{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>。 |
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{{PlanetboxOrbit begin}} |
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{{Orbitbox |
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| exoplanet = [[WASP-2b|b]] |
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| mass = 0.914 ±0.092<ref name="binary" /> |
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| period = 2.152226 ±4e-05 |
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| semimajor = 0.03138 ±0.00142<ref name="binary" /> |
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| eccentricity = 0 |
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}} |
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{{Orbitbox end}} |
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== 聯星 == |
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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 |
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| url=http://www.mpia.de/homes/henning/Publications/daemgen.pdf |
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| title=Binarity of transit host stars - Implications for planetary parameters |
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| year=2009 |
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| volume=498 |
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| pages=567–574 |
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| author=Daemgen ''et al.'' |
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| journal=[[Astronomy and Astrophysics]] |
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| doi=10.1051/0004-6361/200810988 |
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| last2=Hormuth |
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| first2=F. |
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| last3=Brandner |
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| first3=W. |
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| last4=Bergfors |
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| first4=C. |
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| last5=Janson |
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| first5=M. |
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| last6=Hippler |
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| first6=S. |
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| last7=Henning |
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| first7=T. |
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| access-date=2010-07-17 |
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| archive-date=2012-03-06 |
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| archive-url=https://web.archive.org/web/20120306011905/http://www.mpia.de/homes/henning/Publications/daemgen.pdf |
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| dead-url=no |
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}}</ref>。 |
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== 註解 == |
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* <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/> |
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* {{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 }} |
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== 相關條目 == |
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* [[SuperWASP]] |
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* [[WASP-1]] |
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* [[WASP-2b]] |
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== 參考資料 == |
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{{reflist}} |
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== 外部連結 == |
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* {{cite web |
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| url=http://media4.obspm.fr/exoplanets/base/etoile.php?nom=WASP-2 |
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| title=WASP-2 |
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| work=Exoplanets |
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| accessdate=2009-05-04 |
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| archive-url=https://www.webcitation.org/6HvPVTB67?url=http://media4.obspm.fr/exoplanets/base/etoile.php?nom=WASP-2 |
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| archive-date=2013-07-07 |
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| dead-url=yes |
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}} |
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{{Sky|20|30|54.130|+|06|25|46.37|470}} |
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[[Category:海豚座]] |
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[[Category:行星凌變星]] |
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[[Category:太陽系外行星]] |
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[[Category:聯星]] |
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[[Category:K型主序星]] |
2024年6月25日 (二) 11:26的最新版本
观测数据 曆元 J2000.0 分點 J2000.0 | |
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星座 | 海豚座 |
A[1] | |
赤經 | 20h 30m 54.1300s[2] |
赤緯 | +06° 25′ 46.37″[2] |
視星等 (V) | +11.98[2] |
Ca | |
赤經 | ~20h 30m 54s[1] |
赤緯 | ~+06° 25′ 46″[1] |
視星等 (V) | 15.38[1] |
特性 | |
光谱分类 | K1V[3]/M[1] |
视星等 (B) | ~13[2] |
视星等 (V) | ~11.98[2] |
视星等 (J) | 10.166±0.027[2] |
视星等 (H) | 9.752±0.026[2] |
视星等 (K) | 9.632±0.024[2] |
天体测定 | |
自行 (μ) | 赤经:3.0[2] mas/yr 赤纬:-53.1[2] mas/yr |
距离 | 469 ly (144 pc) |
詳細資料 | |
質量 | 0.77[1]/0.48[1] M☉ |
半徑 | 0.834 ±0.08 R☉ |
溫度 | 5200 ±200 K |
其他命名 | |
參考資料庫 | |
SIMBAD | 资料 |
系外行星百科 | 资料 |
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 [2]
。
行星系統
[编辑]在2006年,SuperWASP專案計畫發現這顆恆星有一顆系外行星WASP-2b[3]。
成員 (依恆星距離) |
质量 | 半長軸 (AU) |
轨道周期 (天) |
離心率 | 傾角 | 半径 |
---|---|---|---|---|---|---|
b | 0.914 ±0.092[1] MJ | 0.03138 ±0.00142[1] | 2.152226 ±4e-05 | 0 | — | — |
聯星
[编辑]在2008年,一個研究小組以凌日法研究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 2.2米(87英寸) 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M-型恆星,視星等15等,與主星鄉巨大約111AU,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[1]。
註解
[编辑]- Note b: 伴星被標示為大寫字母"C" ,以免與小寫的行星標示"b"混淆。[1]
- Cameron; et al. WASP-1b and WASP-2b: two new transiting exoplanets detected with SuperWASP and SOPHIE. Monthly Notices of the Royal Astronomical Society. 2007, 375: 951–957.[失效連結][永久失效連結]
相關條目
[编辑]參考資料
[编辑]- ^ 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 Daemgen; Hormuth, F.; Brandner, W.; Bergfors, C.; Janson, M.; Hippler, S.; Henning, T.; et al. Binarity of transit host stars - Implications for planetary parameters (PDF). Astronomy and Astrophysics. 2009, 498: 567–574 [2010-07-17]. doi:10.1051/0004-6361/200810988. (原始内容存档 (PDF)于2012-03-06).
- ^ 2.00 2.01 2.02 2.03 2.04 2.05 2.06 2.07 2.08 2.09 2.10 SIMBAD query result: GSC 00522-01199 -- Star. Centre de Données astronomiques de Strasbourg. [2009-05-04]. (原始内容存档于2013-12-29).
- ^ 3.0 3.1 Cameron; Bouchy, F.; Hébrard, G.; Maxted, P.; Pollacco, D.; Pont, F.; Skillen, I.; Smalley, B.; Street, R. A.; et al. WASP-1b and WASP-2b: two new transiting exoplanets detected with SuperWASP and SOPHIE. Monthly Notices of the Royal Astronomical Society. 2007, 375: 951–957. doi:10.1111/j.1365-2966.2006.11350.x.[失效連結][永久失效連結] (web Preprint)
外部連結
[编辑]