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Defining and cataloging exoplanets: The exoplanet.eu database

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arxiv 1106.0586 v3 pith:MK55HV4Z submitted 2011-06-03 astro-ph.EP

Defining and cataloging exoplanets: The exoplanet.eu database

classification astro-ph.EP
keywords candidatesdatabaseplanetconfidencedatadescribeextra-solarlevel
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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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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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Discovery of an Inflated Hot Neptune and Its Formation from Jovian Mass Loss

    astro-ph.EP 2026-07 unverdicted novelty 7.0

    TOI-2195 A b is an inflated hot Neptune that likely originated as a Jovian planet losing ~90% mass through Roche lobe overflow during EKL-driven high-eccentricity migration triggered by a wide binary companion.

  2. Warm Sub-Saturns Orbiting Single Stars Are Spin-Orbit Aligned

    astro-ph.EP 2026-07 conditional novelty 6.0

    Warm sub-Saturns around single cool stars are predominantly aligned whereas hot sub-Saturns are frequently misaligned (3.2σ), a separation-dependent transition the authors attribute to high-eccentricity migration.

  3. Probing the origins. III. Exoplanet demographics across Galactic birth radii

    astro-ph.GA 2026-07 conditional novelty 6.0

    Giant-planet hosts preferentially formed in the metal-rich inner Galaxy and later migrated, while rocky-only systems are less centrally concentrated and show smaller radial excursions.