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X-exoplanets: an X-ray and EUV database for exoplanets

Published online by Cambridge University Press:  26 February 2010

J. Sanz-Forcada ,
D. García-Álvarez ,
A. Velasco ,
E. Solano ,
I. Ribas ,
G. Micela  and
A. Pollock
J. Sanz-Forcada
Affiliation:
Centro de Astrobiología, CSIC-INTA, European Space Astronomy Center Apartado 78, E-28691 Villanueva de la Canada (Madrid), Spain email: [email protected]
D. García-Álvarez
Affiliation:
Instituto de Astrofísica de Canarias, Spain Grantecan CALP, Spain
A. Velasco
Affiliation:
Centro de Astrobiología, CSIC-INTA, European Space Astronomy Center Apartado 78, E-28691 Villanueva de la Canada (Madrid), Spain email: [email protected] Spanish Virtual Observatory, Spain
E. Solano
Affiliation:
Centro de Astrobiología, CSIC-INTA, European Space Astronomy Center Apartado 78, E-28691 Villanueva de la Canada (Madrid), Spain email: [email protected] Spanish Virtual Observatory, Spain
I. Ribas
Affiliation:
Institut de Ciences de l'Espai (CSIC-IEEC), Spain
G. Micela
Affiliation:
INAF- Osservatorio Astronomico di Palermo, Italy
A. Pollock
Affiliation:
XMM-Newton SOC, European Space Agency, ESAC, Spain
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Abstract

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Extreme Ultraviolet (EUV) and X-ray emission is of great importance in several phenomena related to the formation of planetary systems and the atmospheres of planets. The atmospheric composition, and the mass of an exoplanet, are partly dependent on the X-ray and EUV radiation received during the first stages of formation and even during main sequence of the star. Biological life developing on exoplanets would depend severely on the high energy radiation arriving from its parent star.

Here we present a database of the X-ray and EUV emission of all the stars currently known to host exoplanets. The archive is public and accessible through the Spanish Virtual Observatory (SVO). The database gives the user the option to download observed X-rays and EUV spectra. Synthetic spectra covering the spectral range 1–912 Å are also available (present day telescopes do not give access to the EUV range at λ > 180 Å). These spectra are created using coronal models after fitting observed spectra.

Keywords

astrobiology(stars:) planetary systemsstars: coronaestars: abundancesX-rays: starsatomic data
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 5 , Symposium S264: Solar and Stellar Variability: Impact on Earth and Planets , August 2009 , pp. 478 - 483
Copyright
Copyright © International Astronomical Union 2010

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