编辑“︁HD 1461 b”︁

{{Planetbox begin
| name = HD 1461 b
}}
{{Planetbox star
| star = [[HD 1461]]
| constell = [[鯨魚座]]
| RA = {{RA|00|18|41.62}}
| DEC = {{DEC|−08|03|9.5}}
| app_mag = 6.47
| dist_ly = 76
| dist_pc =  23.3
| class = G0V
| mass = 1.08 ± 0.04
| radius = 1.095 ± 0.026
| temperature = 5765 ± 18
| metallicity = 0.19 ± 0.01
| age = 6.3
}}
{{Planetbox orbit
| period = 5.7722 ± 0.0011
| period_hour = 138.53
| semimajor = 0.063434 ± 0.000008
| semimajor_gm = 9.4896
| periastron = 0.061078
| periastron_gm = 9.1371
| apastron = 0.065791
| apastron_gm = 9.8422
| eccentricity = 0.04 ± 0.01
| speed = 119.96
| arg_peri = 186 ± 63
| t_peri = 2450366.936
}}
{{Planetbox character
| minimum_mass_earth = 8.1 ± 0.7
}}
{{Planetbox discovery
| discovery_date = 2009-12-14
| discoverers = [[Steven Vogt|Vogt]] ''et al.''
| discovery_method = [[系外行星偵測法#徑向速度|徑向速度法]]
| discovery_site = [[凱克天文台]]<br />[[澳洲天文台]]
| discovery_status = Preprint<ref name="disco-rivera" />
}}
{{Planetbox reference
| star = HD+1461
| planet = b
}}
{{Planetbox end}}

'''HD 1461 b'''是一顆[[系外行星]]，母星是位於[[鯨魚座]]，距離76光年遠，[[視星等]]6等的[[恆星分類|G-型恆星]][[HD 1461]]。這顆行星的[[最低質量|質量]]不低於8.1[[地球質量]]，精確的軌道距離是0.063434[[天文單位]]，[[離心率]]0.04。
目前還不知道這顆行星是像[[天王星]]、[[海王星]]的[[氣體巨星]]，還是構造像地球的[[柯洛7b]]。這顆行星是[[凱克天文台]]和[[澳洲天文台]]使用[[系外行星偵測法#徑向速度|徑向速度法]]在2009年12月14日發現的<ref name="disco-rivera">{{cite arXiv |last=Rivera |first=Eugenio |authorlink= |eprint=0912.2566 |title=A Super-Earth Orbiting the Nearby Sun-like Star HD 1461 |class=astro-ph.EP |year=2009 |version=v1 |accessdate=2009-12-15 }}</ref><ref name="ucsc-news">{{cite web |url=http://www.ucsc.edu/news_events/text.asp?pid=3439 |title=New planet discoveries suggest low-mass planets are common around nearby stars |author=Tim Stephens |date=2009-12-14 |work=UCSC News |publisher=UC Santa Cruz |accessdate=2009-12-14 |deadurl=yes |archiveurl=https://web.archive.org/web/20091223184326/http://www.ucsc.edu/news_events/text.asp?pid=3439 |archivedate=2009-12-23 }}</ref>。

== 參考資料 ==
{{reflist}}

{{Sky|00|18|41.62|-|8|03|9.5|76}}
{{HD 1461}}
{{extrasolar-planet-stub}}

[[Category:太陽系外行星]]
[[Category:2009年發現的系外行星]]
[[Category:超級地球]]
[[Category:Exoplanets detected by radial velocity]]
[[Category:鯨魚座]]