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| ⚫ | #REDIRECT ] | ||
| {{Planetbox begin | |||
| | name = ] Bb | |||
| }} | |||
| {{Planetbox star | |||
| ⚫ | |||
| | constell = ] | |||
| | ra = {{RA|02|36|57.74}}<ref name="van Leeuwen2007"/> | |||
| | 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 ] ]. This planet has ] nearly 10 times that of ]. Because ] is not known, its ] is unknown. Meanwhile, this planet orbits only 0.005 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"/> | |||
| ] | |||
| This ] planet was discovered on Friday, November 27, 2009 by using precise ] from ] installed in ] in ]. | |||
| == References == | |||
| {{Reflist|colwidth=30em|refs= | |||
| <ref name="Guenther2009">{{cite journal | title=A substellar component orbiting the F-star 30 Arietis B | url=http://www.aanda.org/articles/aa/full_html/2009/45/aa12112-09/aa12112-09.html | last1=Guenther | first1=E. W. | last2=Hartmann | first2=M. | last3=Esposito | first3=M. | last4=Hatzes | first4=A. P. | last5=Cusano | first5=F. | last6=Gandolfi | first6=D. | display-authors=1 | journal=Astronomy and Astrophysics | volume=507 | issue=3 | pages=1659–1665 | year=2009 | arxiv=0912.4619 | bibcode=2009A&A...507.1659G | doi=10.1051/0004-6361/200912112 }}</ref> | |||
| <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> | |||
| }} | |||
| * {{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 |work= |publisher=] |accessdate=3 October 2011}} | |||
| {{Sky|02|36|57.7405|+|24|38|53.027|128.6}} | |||
| ] | |||
| ] | |||
| ] | |||
| ⚫ | ] | ||
| ] | |||
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