Data Analysis on the Extra-solar Planets Using Robust Clustering

Details Data Analysis on the Extra-solar Planets Using Robust Clustering Data Analysis on the Extra-solar Planets Using Robust Clustering

2006-10-24

arxiv.org/abs/astro-ph/0610695v1

MNRAS 370, 1379 (2006)

Astronomy and Astrophysics

Astrophysics

published in MNRAS, the results of Cluster Analysis can be taken electronically from the main latex file for further compariso

Scientific paper

10.1111/j.1365-2966.2006.10580.x

We use both the conventional and more recently developed methods of cluster analysis to study the data of extra-solar planets. Using the data set with planetary mass M, orbital period P, and orbital eccentricity e, we investigate the possible clustering in the ln M, ln P, ln P-ln M, e, and ln P-e spaces. There are two main implications: (1) mass distribution is continuous and (2) orbital population could be classified into three clusters, which correspond to the exoplanets in the regimes of tidal, on-going tidal and disc interaction, respectively.

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