“HD 147018 c”的意思、由来-开放百科全书

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HD 147018 c

释义

References

{{Infobox planet
| name = HD 147018 c
| discoverer = Segransan et al.
| discovery_site = La Silla Observatory
| discovered = August 11, 2009
| discovery_method = radial velocity (CORALIE)
| apsis = astron
| aphelion = {{convert|2.178|AU|km|abbr=on}}
| perihelion = {{convert|1.666|AU|km|abbr=on}}
| semimajor = {{convert|1.922|±|0.039|AU|km|abbr=on}}
| eccentricity = 0.133 ± 0.011
| period = 1008 ± 18 d
2.76 ± 0.049 y
| time_periastron = 55301 ± 22
| arg_peri = -133.1 ± 6.9
| star = HD 147018
}}

HD 147018 c is a gas giant extrasolar planet which orbits the G-type main sequence star HD 147018, located approximately 140 light years away in the constellation Triangulum Australe. It has mass at least six and a half time more than Jupiter and orbits HD 147018 nearly twice the distance between the Earth and the Sun. This planet is eight times farther away than HD 147018 b. This planet was discovered on August 11, 2009 by radial velocity method.

References

{{cite journal |doi=10.1051/0004-6361/200912136 | author=Segransan| title=The CORALIE survey for southern extrasolar planets. XVI. Discovery of a planetary system around HD 147018 and of two long period and massive planets orbiting HD 171238 and HD 204313 | journal=Astronomy & Astrophysics | year=February 2010 | volume=511 | at=article A45|display-authors=etal|arxiv = 0908.1479 |bibcode = 2010A&A...511A..45S }}

5 : Exoplanets|Exoplanets discovered in 2009|Giant planets|Triangulum Australe|Exoplanets detected by radial velocity

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