Defining and cataloging exoplanets: The exoplanet.eu database

Details Defining and cataloging exoplanets: The exoplanet.eu database Defining and cataloging exoplanets: The exoplanet.eu database

2011-06-03

arxiv.org/abs/1106.0586v3

Astron. & Astrophys. 2011, 532, A79

Astronomy and Astrophysics

Astrophysics

Earth and Planetary Astrophysics

Accepted in Astronomy and Astrophysics (revised version)

Scientific paper

We describe an online database for extra-solar planetary-mass candidates, updated regularly as new data are available. We first discuss criteria for the inclusion of objects in the catalog: "definition" of a planet and several aspects of the confidence level of planet candidates. {\bf We are led to point out the conflict between sharpness of belonging or not to a catalogue and fuzziness of the confidence level.} We then describe the different tables of extra-solar planetary systems, including unconfirmed candidates (which will ultimately be confirmed, or not, by direct imaging). It also provides online tools: histogrammes of planet and host star data, cross-correlations between these parameters and some VO services. Future evolutions of the database are presented.

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