Frequency decomposition of astrometric signature of planetary systems

2000/07/20 by Maciej Konacki, Konacki, Maciej, Andrzej J. Maciejewski +3 · 1 citation
Physics and Astronomy · #Astrophysics (astro-ph) #FOS: Physical sciences #astro-ph

paper · pdf · doi:10.48550/arxiv.astro-ph/0007313

30 pages, 9 fig,, AASTeX, an additional file with macros

arxiv created 2000/07/20 · arxiv updated 2009/12/01

Abstract

We present theoretical analysis of the astrometric searches for extrasolar planets with the Space Interferometry Mission (SIM). Particularly, we derive a model for the future measurements with SIM and discuss the problem of reliable estimation of orbital elements of planets. For this purpose we propose a new method of data analysis and present a numerical test of its application on simulated SIM astrometric measurements of υ Andromedae planetary system. We demonstrate that our approach allows successfull determination of its orbital elements.

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• The Astrometric Resoeccentric Degeneracy: Eccentric Single Planets Mimic 2:1 Resonant Planet Pairs in Astrometry

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