“HD 128311 b”的意思、由来-开放百科全书

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HD 128311 b

释义

References
External links

{{Infobox planet
| name = HD 128311 b
| discoverer = Butler et al.
| discovery_site = {{flagicon|USA}} California, United States
| discovered = 2002
| discovery_method = Doppler Spectroscopy
| apsis = astron
| aphelion = {{convert|1.380|AU|km|abbr=on}}
| perihelion = {{convert|0.820|AU|km|abbr=on}}
| semimajor = {{convert|1.100|±|0.065|AU|km|abbr=on}}
| eccentricity = 0.25 ± 0.10
| period = 458.6 ± 6.8 d
1.256 y
| avg_speed = 26.2
| time_periastron = 2,450,211 ± 76
| arg_peri = 111° ± 36°
| semi-amplitude = 66.8 ± 8.7
| star = HD 128311
}}HD 128311 b is an exoplanet located approximately 54 light-years away in the constellation of Boötes. This planet orbits in an eccentric orbit about 1.1 AU from its star (HD 128311). The planet has minimum mass 2.19 Jupiter masses.^[2]

References

1. ^¹{{cite journal | url=http://iopscience.iop.org/0004-637X/632/1/638/fulltext/ | title=Five New Multicomponent Planetary Systems | last1=Vogt | first1=Steven S. | last2=Butler | first2=R. Paul | last3=Marcy | first3=Geoffrey W. | last4=Fischer | first4=Debra A. | last5=Henry | first5=Gregory W. | last6=Laughlin | first6=Greg | last7=Wright | first7=Jason T. | last8=Johnson | first8=John A. | display-authors=1 | journal=The Astrophysical Journal | date=2005 | volume=632 | issue=1 | pages=638–658 | doi=10.1086/432901 | bibcode=2005ApJ...632..638V}}

^[1]
}}

External links

{{cite web | url=http://exoplanet.eu/planet.php?p1=HD+128311&p2=b | title=Notes for planet HD 128311 b | work=The Extrasolar Planets Encyclopaedia | accessdate=2008-08-18}}
{{cite web | url=http://media4.obspm.fr/exoplanets/base/etoile.php?nom=HD+128311 | title=HD 128311 | work=Exoplanets | accessdate=2008-08-18}}

5 : Boötes|Exoplanets|Giant planets|Exoplanets discovered in 2002|Exoplanets detected by radial velocity

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