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'''30 Arietis Bb''' (sometimes abbreviated '''30 Ari Bb''') is an ] which orbits the ] ] ] ], located in a quadruple star system approximately 146 ]s away in the ] ]. The ] planet was discovered by on Friday, November 27, 2009 by using precise ] from ] installed in ] in ].<ref name="Guenther2009">{{cite journal |last=Guenther |first=E. W. |display-authors=etal |date=2009 |url=http://www.aanda.org/articles/aa/full_html/2009/45/aa12112-09/aa12112-09.html |title=A substellar component orbiting the F-star 30 Arietis B |journal=Astronomy and Astrophysics|volume=507 |issue=3 |pages=1659–1665 |arxiv=0912.4619 |bibcode=2009A&A...507.1659G |doi=10.1051/0004-6361/200912112}}</ref> |
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'''30 Arietis Bb''' (sometimes abbreviated '''30 Ari Bb''') is a ] which orbits the ] ] ] ], located in a quintuple star system approximately 146 ]s away in the ] ]. The ] was discovered by on Friday, November 27, 2009 by using precise ] from ] installed in ] in ].<ref name="Guenther2009">{{cite journal |last=Guenther |first=E. W. |display-authors=etal |date=2009 |url=http://www.aanda.org/articles/aa/full_html/2009/45/aa12112-09/aa12112-09.html |title=A substellar component orbiting the F-star 30 Arietis B |journal=Astronomy and Astrophysics|volume=507 |issue=3 |pages=1659–1665 |arxiv=0912.4619 |bibcode=2009A&A...507.1659G |doi=10.1051/0004-6361/200912112}}</ref> |
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==Overview== |
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==Overview== |
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The exoplanet 30 Arietis Bb has a ] of nearly 10 times that of ].<ref>{{cite web |url=http://exoplanet.eu/planet.php?p1=30+Ari+B&p2=b |title=Notes for Planet 30 Ari B b |author=Jean Schneider |year=2011 |website= |publisher=] |accessdate=3 October 2011}}</ref> In 2020, after the inclination of the planetary orbit was measured to be just 4.14{{±|0.96|0.90}}°, the "planet" was found to fall in the mass range of the red dwarf star.<ref name=Kiefer2020>{{citation|arxiv=2009.14164|title=Determining the true mass of radial-velocity exoplanets with Gaia 9 planet candidates in the brown-dwarf/stellar regime and 27 confirmed planets|year=2020}}</ref> |
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The red dwarf 30 Arietis Bb had a ] of nearly 10 times that of ].<ref>{{cite web |url=http://exoplanet.eu/planet.php?p1=30+Ari+B&p2=b |title=Notes for Planet 30 Ari B b |author=Jean Schneider |year=2011 |website= |publisher=] |accessdate=3 October 2011}}</ref> In 2020, after the inclination of the planetary orbit was measured to be just 4.14{{±|0.96|0.90}}°, the "planet" was found to fall in the mass range of the red dwarf star.<ref name=Kiefer2020>{{citation|arxiv=2009.14164|title=Determining the true mass of radial-velocity exoplanets with Gaia 9 planet candidates in the brown-dwarf/stellar regime and 27 confirmed planets|year=2020}}</ref> |
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==References== |
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==References== |
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