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Photometric stellar variation due to extra-solar comets
A. Lecavelier des Etangs, A. Vidal-Madjar, R. Ferlet
We performed numerical simulations of stellar occultations by extra-solar cometary tails. We find that extra-solar comets can be detected by the apparent photometric variations of…
Microlensing towards the Small Magellanic Cloud --- EROS 2 two-year analysis
EROS Collaboration
We present the analysis of the first two years of a search for microlensing of stars in the Small Magellanic Cloud with the EROS (Expérience de Recherche d'Objets Sombres) project.…
Dust distribution in radiation pressure outflow. Application to the BD+31d643 disk
A. Lecavelier des Etangs, A. Vidal-Madjar, R. Ferlet
The radial distribution of dust has been calculated in outflows driven by radiation pressure in which the gas drag is taken into account. It is shown that the dust distribution in…
Fe II emission lines in the UV spectrum of Sirius-A and Vega
M. van Noort, T. Lanz, H. J. G. L. M. Lamers +4
We present high-quality HST/GHRS spectra in the Hydrogen L alpha spectral region of Vega and Sirius-A. Thanks to the signal-to-noise ratio achieved in these observations and to the…
EROS and MACHO Combined Limits on Planetary Mass Dark Matter in the Galactic Halo
EROS Collaboration, MACHO Collaboration
The EROS and MACHO collaborations have each published upper limits on the amount of planetary mass dark matter in the Galactic Halo obtained from gravitational microlensing searche…