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Quantifying the challenges of detecting unseen planetary companions with transit timing variations
celestial mechanics methods n-body simulations statistical stars planetary systems
2010/11/11
Both ground and space-based transit observatories are poised to signi cantly increase the number of known transiting planets and the number of precisely measured transit times.
Quantifying Kinematic Substructure in the Milky Way's Stellar Halo
Cosmology stellar halo galaxies individual(Milky Way) Galaxy halo Galaxy
2010/11/12
We present and analyze the positions, distances, and radial velocities for over 4000 blue horizontal-branch (BHB) stars in the Milky Way's halo, drawn from SDSS DR8. We search for position-velocity su...
Quantifying the Imprecision of Accretion Theory and Implications for Multi-Epoch Observations of Protoplanetary Discs
Solar and Stellar Astrophysics (astro-ph.SR) Earth and Planetary Astrophysics (astro-ph.EP) High Energy Astrophysical Phenomena (astro-ph.HE)
2010/12/27
If accretion disc emission results from turbulent dissipation, then axisymmetric accretion theory must be used as a mean field theory: turbulent flows are at most axisymmetric only when suitably avera...
Quantifying high z galaxy selection and visibility with the COSMOPACK tool
z galaxy selection COSMOPACK tool
2009/6/12
Quantifying high z galaxy selection and visibility with the COSMOPACK tool。