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Revision as of 01:07, 25 November 2018 editTrappist the monk (talk | contribs)Administrators479,601 editsm cite repair;← Previous edit Revision as of 00:22, 18 January 2019 edit undoMike s (talk | contribs)Extended confirmed users21,550 edits update distance and replace refNext edit →
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| star = ] | star = ]
| constell = ] | constell = ]
| ra = {{RA|02|37|00.5235}}<ref name="Gaia DR2"/>
| ra = {{RA|02|36|57.74}}<ref name="van Leeuwen2007">{{cite journal | title=Validation of the new Hipparcos reduction | url=http://www.aanda.org/index.php?option=com_article&access=bibcode&Itemid=129&bibcode=2007A%2526A...474..653VFUL | last1=van Leeuwen | first1=F. | journal=Astronomy and Astrophysics | volume=474 | issue=2 | pages=653–664 | year=2007 | arxiv=0708.1752 | bibcode=2007A&A...474..653V | doi=10.1051/0004-6361:20078357 }} </ref>
| dec = {{DEC|+24|38|53.0}}<ref name="van Leeuwen2007"/> | dec = {{DEC|+24|38|49.9880}}<ref name="Gaia DR2"/>
| app_mag = 7.09 | app_mag = 7.09
| dist_ly = 133 ± 3<ref name="van Leeuwen2007"/> | dist_ly = {{val|145.8|0.3}}<ref name="Gaia DR2"/>
| dist_pc = 41 ± 1<ref name="van Leeuwen2007"/> | dist_pc = {{val|44.7|0.1}}<ref name="Gaia DR2"/>
| class = F6V | class = F6V
| mass = 1.13 ± 0.08 | mass = 1.13 ± 0.08
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{{Planetbox orbit {{Planetbox orbit
| semimajor = 0.995 ± 0.012 | semimajor = 0.995 ± 0.012
| semimajor_gm = 148.9 ± 1.8
| periastron = 0.708
| periastron_gm = 105.9
| apastron = 1.283
| apastron_gm = 191.9
| eccentricity = 0.289 ± 0.092 | eccentricity = 0.289 ± 0.092
| period = 335.1 ± 2.5 | period = 335.1 ± 2.5
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{{Planetbox end}} {{Planetbox end}}


'''30 Arietis Bb''' (sometimes abbreviated '''30 Ari Bb''') is an ] which orbits the ] ] ] ], located in a quadruple star system approximately 129 ]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> '''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>


== Overview == ==Overview==
The exoplanet 30 Arietis Bb has a ] of nearly 10 times that of ].<ref>{{Cite web|url=https://exoplanets.nasa.gov/newworldsatlas/5479|title=30 Ari B b {{!}} New World Atlas - Exoplanet Exploration: Planets Beyond our Solar System|website=Exoplanet Exploration: Planets Beyond our Solar System|access-date=2018-07-30}}</ref> Because ] is not identified, its ] is unknown. Meanwhile, this planet orbits only 0.995 AU (or 700,000&nbsp;km) closer to the star than ] to the Sun, but its ] is much higher compared to Earth. At ], the planet’s closest distance to the star is 0.708 AU, which is slightly closer to the star than ] to the Sun. At ], the planet’s farthest distance to the star is 1.283 AU, which is more than halfway between the orbits of Earth and ].<ref name="Guenther2009" /> The exoplanet 30 Arietis Bb has a ] of nearly 10 times that of ].<ref>{{Cite web|url=https://exoplanets.nasa.gov/newworldsatlas/5479|title=30 Ari B b {{!}} New World Atlas - Exoplanet Exploration: Planets Beyond our Solar System|website=Exoplanet Exploration: Planets Beyond our Solar System|access-date=2018-07-30}}</ref> Because ] is not identified, its ] is unknown. Meanwhile, this planet orbits only 0.995 AU (or 700,000&nbsp;km) closer to the star than ] to the Sun, but its ] is much higher compared to Earth. At ], the planet’s closest distance to the star is 0.708 AU, which is slightly closer to the star than ] to the Sun. At ], the planet’s farthest distance to the star is 1.283 AU, which is more than halfway between the orbits of Earth and ].<ref name="Guenther2009" />


== References == ==References==
{{Reflist|refs=
<references />

<ref name="Gaia DR2">{{Cite Gaia DR2|102082477749475200}}</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}} * {{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}}

Revision as of 00:22, 18 January 2019

Template:Planetbox begin Template:Planetbox star Template:Planetbox orbit Template:Planetbox character Template:Planetbox discovery Template:Planetbox reference Template:Planetbox end

30 Arietis Bb (sometimes abbreviated 30 Ari Bb) is an extrasolar planet which orbits the F-type main sequence star 30 Arietis B, located in a quadruple star system approximately 146 light years away in the constellation Aries. The gas giant planet was discovered by on Friday, November 27, 2009 by using precise radial velocity method from echelle spectrograph installed in Alfred-Jensch telescope in Karl Schwarzschild Observatory.

Overview

The exoplanet 30 Arietis Bb has a minimum mass of nearly 10 times that of Jupiter. Because inclination is not identified, its true mass is unknown. Meanwhile, this planet orbits only 0.995 AU (or 700,000 km) closer to the star than Earth to the Sun, but its orbital eccentricity is much higher compared to Earth. At periastron, the planet’s closest distance to the star is 0.708 AU, which is slightly closer to the star than Venus to the Sun. At apastron, the planet’s farthest distance to the star is 1.283 AU, which is more than halfway between the orbits of Earth and Mars.

References

  1. ^ Guenther, E. W.; et al. (2009). "A substellar component orbiting the F-star 30 Arietis B". Astronomy and Astrophysics. 507 (3): 1659–1665. arXiv:0912.4619. Bibcode:2009A&A...507.1659G. doi:10.1051/0004-6361/200912112.
  2. "30 Ari B b | New World Atlas - Exoplanet Exploration: Planets Beyond our Solar System". Exoplanet Exploration: Planets Beyond our Solar System. Retrieved 2018-07-30.
Cite error: A list-defined reference named "Gaia DR2" is not used in the content (see the help page).


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