On the Fundamental Mass-Period Functions of Extrasolar Planets

Details On the Fundamental Mass-Period Functions of Extrasolar Planets On the Fundamental Mass-Period Functions of Extrasolar Planets

2009-12-14

arxiv.org/abs/0912.2585v1

Astronomy and Astrophysics

Astrophysics

Earth and Planetary Astrophysics

Accepted by ApJ Supplement Series in Nov. 2009, Acknowledgment added in Dec. 2009, a Reference-Based Catalog of Exoplanets can

Scientific paper

Employing a catalog of 175 extrasolar planets (exoplanets) detected by the Doppler-shift method, we constructed the independent and coupled mass-period functions. It is the first time in this field that the selection effect is considered in the coupled mass-period functions. Our results are consistent with those in Tabachnik and Tremaine (2002) with the major differences that we obtain a flatter mass function but a steeper period function. Moreover, our coupled mass-period functions show that about 2.5 percent of stars would have a planet with mass between Earth Mass and Neptune Mass, and about 3 percent of stars would have a planet with mass between Neptune Mass and Jupiter Mass.

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