Microlensing suggests at least one planet per star in the Milky Way

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Microlensing suggests at least one planet per star in the Milky Way

Post by Lazarus on 11th January 2012, 2:33 pm

ESO News Release: eso1204: Planet Population Is Plentiful

Also contains a version of the Nature paper: One or more bound planets per Milky Way star from microlensing observations

From statistical analysis of microlensing data from 2002-2007, the planet abundances within 0.5-10 AU, broken down by mass range:

Jupiters (0.3-10 MJ): 17+6-9%
Neptunes (10-30 M): 52+22-29%
Super-Earths (5-10 M): 62+35-37%
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Re: Microlensing suggests at least one planet per star in the Milky Way

Post by Sirius_Alpha on 6th February 2012, 9:12 pm

And here it is on arXiv.
http://arxiv.org/abs/1202.0903

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