Doppler spectroscopy as a path to the detection of Earth-like planets

Michel Mayor (), Christophe Lovis and Nuno C. Santos
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Michel Mayor: Geneva Observatory, University of Geneva
Christophe Lovis: Geneva Observatory, University of Geneva
Nuno C. Santos: Faculdade de Ciências, Universidade do Porto, Rua das Estrelas

Nature, 2014, vol. 513, issue 7518, 328-335

Abstract: Abstract Doppler spectroscopy was the first technique used to reveal the existence of extrasolar planetary systems hosted by solar-type stars. Radial-velocity surveys led to the detection of a rich population of super-Earths and Neptune-type planets. The numerous detected systems revealed a remarkable diversity. Combining Doppler measurements with photometric observations of planets transiting their host stars further provides access to the planet bulk density, a first step towards comparative exoplanetology. The development of new high-precision spectrographs and space-based facilities will ultimately lead us to characterize rocky planets in the habitable zone of our close stellar neighbours.

Date: 2014
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DOI: 10.1038/nature13780

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