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Interferometric Space Missions for the Search for Terrestrial Exoplanets: Requirements on the Rejection Ratio
L Kaltenegger, M. Fridlund, A. Karlsson
The requirements on space missions designed to study Terrestrial exoplanets are discussed. We then investigate whether the design of such a mission, specifically the Darwin nulling…
Characteristics of proposed 3 and 4 telescope configurations for Darwin and TPF-I
L. Kaltenegger, M. Fridlund
The Darwin and TPF-I missions are Infrared free flying interferometer missions based on nulling interferometry. Their main objective is to detect and characterize other Earth-like…
Detectability of dirty dust grains in brown dwarf atmospheres
CH. Helling, W. -F. Thi, P. Woitke +1
Dust clouds influence the atmospheric structure of brown dwarfs, and they affect the heat transfer and change the gas-phase chemistry. However, the physics of their formation and e…
The discovery of an expanding X-ray source in the HH 154 protostellar jet
F. Favata, R. Bonito, G. Micela +4
We have performed, in October 2005, a deep Chandra X-ray observation of HH 154. Comparison with the previous (2001) Chandra observation allows to detect proper motion down to the l…
Comparative Planetology and the Search for Life Beyond the Solar System
Charles A. Beichman, Malcolm Fridlund, Wesley A. Traub +3
The study of planets beyond the solar system and the search for other habitable planets and life is just beginning. Ground-based (radial velocity and transits) and space-based surv…