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access to this page since 03/11/1999

Back to the Institut d'Astrophysique de Paris

Research Director at CNRS

E-mail :
Phone : 33 1 44 32 80 73
Fax : 33 1 44 32 80 01

Research Themes :

Interstellar Medium.

Extrasolar Planets.

Projects :

EROS (Expérience de Recherche d'Objets Sombre)

FUSE (Far Ultraviolet Spectroscopic Explorer)

Publications :


Last news about the planet Osiris (HD209458b) :

Publication in the Astrophysical Journal Letters:
Detection of oxygen and carbon in the hydrodynamically escaping atmosphere of the extrasolar planet HD209458b
A. Vidal-Madjar, J.-M. Désert, A. Lecavelier des Étangs, G. Hébrard, G. Ballester, D. Ehrenreich, R. Ferlet, J. C. McConnell, M. Mayor, & C. D. Parkinson,
(ApJ Letters, 2004, in press ).

More informations about the detection and the planet

Some press related to Osiris (HD209458b)...

And in 2003, Osiris was already evaporating away:

Publication in Nature:
An extended upper atmosphere around the extra-solar planet HD209458b
A. Vidal-Madjar, A. Lecavelier des Étangs, J.-M. Désert, G. Ballester, R. Ferlet, G. Hébrard, & M. Mayor,
(Nature, Vol. 422, p. 143-146, 13 Mars 2003 ).

More informations about the 2003 detection

Some press related to HD209458b in 2003...

What about naming this planet ``OSIRIS'' ? Isn't it nicer ?
According the egyptian mythology, Osiris's body has been mutilated and the pieces scattered.
Osiris myth symbolize any desintegration and reintegration into an exalted form.

Books :

``Il Pleut des planètes'' (It rains planets), Hachette Littératures, 1999

Enlarged cover and few images           Back (only in french) and illustrated ``Table des Matières''

``Sommes-nous seuls dans l'univers?'' (Are we alone in the universe?), Fayard, 2000

Enlarged cover           Enlarged back

In both these books, the Fermi Paradox is illustrated with the help of The Cosmic Calendar (only in french)

How to get these books

have you said `` PYRAMIDS '' ?

Last corrections : February, 2004