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Extreme Climate Variations from Milankovitch-like Eccentricity Oscillations in Extrasolar Planetary Systems
Earth and Planetary Astrophysics (astro-ph.EP)
2010/12/28
Although our solar system features predominantly circular orbits, the exoplanets discovered so far indicate that this is the exception rather than the rule.
Stellar Population Variations in the Milky Way's Stellar Halo
Cosmology and Extragalactic Astrophysics (astro-ph.CO) Galaxy Astrophysics (astro-ph.GA)
2010/12/29
If the stellar halos of disk galaxies are built up from the disruption of dwarf galaxies, models predict highly structured variations in the stellar populations within these halos.
Amplitude variations of the CoRoT Be star 102719279
Solar and Stellar Astrophysics (astro-ph.SR)
2010/12/28
The Be star 102719279 is an interesting target observed with CoRoT during two runs, giving us the possibility to study the stability of the detected frequencies and to search for any correlation with ...
Variations in the axisymmetric transport of magnetic elements on the Sun: 1996-2010
Solar and Stellar Astrophysics (astro-ph.SR)
2010/12/27
We measure the axisymmetric transport of magnetic flux on the Sun by cross-correlating narrow strips of data from line-of-sight magnetograms obtained at a 96-minute cadence by the MDI instrument on th...