编辑“︁PSR B0329+54”︁

{{Starbox short
| name = PSR B0329+54
| epoch = <!--Epoch of observation-->
| constell = [[鹿豹座]]
| ra = {{RA|03|32|59.368}}
| dec = {{DEC|+54|34|43.57}} 
| appmag_v = <!--Apparent magnitude (Johnson-Cousins V system)-->
| absmag_v = <!--Absolute magnitude (Johnson-Cousins V system)-->
| dist_ly = 2,643
| dist_pc = 809.79
| spectral = 脈衝星
| names = [[NRAO VLA巡天|NVSS&nbsp;J033259+543444]], [[Pulsar|PSR&nbsp;B0329+54]], [[Pulsar|PSR&nbsp;J0332+5434]]
| Simbad = PSR+B0329%2B54
}}

'''PSR B0329+54'''是一個距離地球約2643光年的[[脈衝星]]，位於[[鹿豹座]]。該脈衝星的自轉週期大約是0.71452秒。自1979年起就有科學家認為有兩顆[[太陽系外行星]]環繞該脈衝星，但至今尚未確認。

== 可能的行星系 ==

1979年有科學家宣稱在該脈衝星旁發現兩顆[[系外行星]]（[[脈衝星行星]]），但這兩顆行星仍缺乏存在證據，是否存在仍存疑。如果這兩顆行星的存在被確認，一般認為將是最早被發現的「真實」系外行星。

{{OrbitboxPlanet begin}}
{{OrbitboxPlanet hypothetical
| exoplanet = [[PSR B0329+54c|c]]
| mass_earth = 0.3±0.002 
| semimajor = 2.3
| period = 1205.358±0.003
| eccentricity = 0
}}
{{OrbitboxPlanet
| exoplanet = [[PSR B0329+54b|b]]
| mass_earth = 2.2±0.002 
| semimajor = 7.3
| period = 61728.94±0.003
| eccentricity = 0.23
}}
{{Orbitbox end}}

== 參見 ==
* [[PSR B1257+12]]

== 外部連結 ==

* {{cite web |url=http://www.extrasolar.net/startour.asp?StarCatId=disproven&StarId=27 |title=PSR B0329+54 |accessdate=2008-07-03 |work=Extrasolar Visions |publisher= |date= |deadurl=yes |archiveurl=https://web.archive.org/web/20100922210143/http://extrasolar.net/startour.asp?StarCatID=disproven&StarID=27 |archivedate=2010-09-22 }}
** [https://web.archive.org/web/20120301205746/http://www.extrasolar.net/planettour.asp?StarCatID=disproven&PlanetID=38 PSR B0329+54 A]
** [https://web.archive.org/web/20120301205752/http://www.extrasolar.net/planettour.asp?StarCatID=disproven&PlanetID=37 PSR B0329+54 B]

[[Category:鹿豹座]]
[[Category:脈衝星]]
[[Category:假想行星系]]

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{{extrasolar-planet-stub}}