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⚫ | #REDIRECT ] | ||
{{Planetbox begin | |||
| name = ] Bb | |||
}} | |||
{{Planetbox star | |||
⚫ | |||
| constell = ] | |||
| 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"/> | |||
| app_mag = 7.09 | |||
| dist_ly = 133 ± 3<ref name="van Leeuwen2007"/> | |||
| dist_pc = 41 ± 1<ref name="van Leeuwen2007"/> | |||
| class = F6V | |||
| mass = 1.13 ± 0.08 | |||
| radius = 1.13 ± 0.13 | |||
| temperature = 6424 ± 180 | |||
| metallicity = 0.07 ± 0.2 | |||
| age = 0.91 ± 0.03 | |||
}} | |||
{{Planetbox orbit | |||
| 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 | |||
| period = 335.1 ± 2.5 | |||
| period_year = 0.917 ± 0.007 | |||
| speed = 32.3 | |||
| arg_peri = 307 ± 18 | |||
| t_peri = 2454538 ± 20 | |||
| semi-amp = 270 | |||
}} | |||
{{Planetbox character | |||
| minimum_mass = 9.88 ± 0.94 | |||
| temperature = 300 | |||
}} | |||
{{Planetbox discovery | |||
| discovery_date = November 27, 2009 | |||
| discoverers = Guenther ''et al.'' | |||
| discovery_method = ] | |||
| discovery_site = ] | |||
| discovery_status = Published | |||
}} | |||
{{Planetbox reference | |||
| star = 30+Ari+B | |||
| planet = b | |||
}} | |||
{{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> | |||
] | |||
== 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 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 /> | |||
* {{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}} | |||
{{Sky|02|36|57.7405|+|24|38|53.027|128.6}} | |||
] | |||
] | |||
] | |||
⚫ | ] | ||
] |
Latest revision as of 06:59, 6 January 2024
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