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| {{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 ] ]. The ] planet was discovered by on Friday, November 27, 2009 by using precise ] from ] installed in ] in ].<ref name="Guenther2009"><cite class="citation journal">Guenther, E. W.; et al. (2009). . ''Astronomy and Astrophysics''. '''507''' (3): 1659–1665. ]:<span class="plainlinks"> ]</span>. ]:]. ]:].</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Astronomy+and+Astrophysics&rft.atitle=A+substellar+component+orbiting+the+F-star+30+Arietis+B&rft.volume=507&rft.issue=3&rft.pages=1659-1665&rft.date=2009&rft_id=info%3Aarxiv%2F0912.4619&rft_id=info%3Adoi%2F10.1051%2F0004-6361%2F200912112&rft_id=info%3Abibcode%2F2009A%26A...507.1659G&rft.aulast=Guenther&rft.aufirst=E.+W.&rft.au=Hartmann%2C+M.&rft.au=Esposito%2C+M.&rft.au=Hatzes%2C+A.+P.&rft.au=Cusano%2C+F.&rft.au=Gandolfi%2C+D.&rft_id=http%3A%2F%2Fwww.aanda.org%2Farticles%2Faa%2Ffull_html%2F2009%2F45%2Faa12112-09%2Faa12112-09.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3A30+Arietis+Bb" class="Z3988"><span style="display:none;"> </span></span></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" /> | |||
| == Moon == | |||
| 30 Arietis Bb m is a large, ], planet-like ], with a diameter about approximately three-fourths of Earth's. It is one of the ] discovered at the star system of 30 Arietis B in 2012.<ref name=":0">{{Cite journal|last=Guenther|first=E. W.|last2=Hartmann|first2=M.|last3=Esposito|first3=M.|last4=Hatzes|first4=A. P.|last5=Cusano|first5=F.|last6=Gandolfi|first6=D.|date=2009-09-24|title=A substellar component orbiting the F-star 30 Arietis B|url=https://doi.org/10.1051/0004-6361/200912112|journal=Astronomy & Astrophysics|language=en|volume=507|issue=3|pages=1659–1665|doi=10.1051/0004-6361/200912112|issn=0004-6361}}</ref><ref>{{Cite web|url=http://phl.upr.edu/library/notes/latestlistofpotentialhabitableexoplanetsandexomoons|title=Latest List of Potential Habitable Exoplanets and Exomoons - Planetary Habitability Laboratory @ UPR Arecibo|website=phl.upr.edu|access-date=2018-07-30}}</ref> | |||
| == 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 |work= |publisher=] |accessdate=3 October 2011}} | |||
| {{Sky|02|36|57.7405|+|24|38|53.027|128.6}} | |||
| ] | |||
| ] | |||
| ] | |||
| ⚫ | ] | ||
| ] | |||
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