“MOA-2008-BLG-310L”的意思、由来-开放百科全书

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MOA-2008-BLG-310L

释义

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{{Refimprove|date=February 2016}}{{Starbox begin
| name = MOA-2008-BLG-310L
}}{{Starbox observe
| epoch = J2000.0
| constell = Scorpius
| ra = {{RA|17|54|14.53}}
| dec = {{DEC|–34|46|41.0}}
| appmag_v = 23.38
}}{{Starbox character
| class = G V
}}{{Starbox astrometry
| dist_ly = >20000
| dist_pc = >6000
}}{{Starbox detail
| mass = 0.67
}}{{Starbox reference
| Simbad = MOA-2008-BLG-310-L
| NSTED = MOA-2008-BLG-310-L
| EPE = MOA-2008-BLG-310-L
}}{{Starbox end}}

MOA-2008-BLG-310L is a 23rd magnitude star located at least 20000 light years away in the constellation Scorpius. This star has mass 0.67 solar masses which imply that it could probably be a late K-type star. In 2009 during the microlensing event, a planet was found orbiting this star at a distance of 1.25 AU and has mass 0.23 times that of Jupiter.

{{OrbitboxPlanet short
| exoplanet = b
| mass = 0.23 ± 0.05
| separation = 1.25 ± 0.1
}}

References

{{cite journal | title=Sub-Saturn Planet MOA-2008-BLG-310Lb: Likely To Be In The Galactic Bulge | journal=The Astrophysical Journal | date=2010 | volume=711 | issue=2 | pages=731 | doi=10.1088/0004-637X/711/2/731 | last1=Janczak | first1=Julia | last2=Dong | first2=Subo | last3=Monard | first3=L. A. G. | last4=Kozłowski | first4=Szymon | last5=Gould | first5=A. | last6=Beaulieu | first6=J. P. | last7=Kubas | first7=Daniel | last8=Marquette | first8=J. B. | last9=Sumi | first9=T. | display-authors=1 | bibcode=2010ApJ...711..731J|arxiv = 0908.0529 }}
{{cite journal|bibcode=2012MNRAS.426.1496I|arxiv=1208.0174|title=Polarization in microlensing events towards the Galactic bulge|journal=Monthly Notices of the Royal Astronomical Society|volume=426|issue=2|pages=1496|author1=Ingrosso|first1=G.|last2=Calchi Novati|first2=S.|last3=De Paolis|first3=F.|last4=Jetzer|first4=Ph.|last5=Nucita|first5=A. A.|last6=Strafella|first6=F.|last7=Zakharov|first7=A. F.|year=2012|doi=10.1111/j.1365-2966.2012.21820.x}}

4 : G-type main-sequence stars|Scorpius (constellation)|Planetary systems|Gravitational lensing

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