SIMBAD references

2016A&A...590A.134D - Astronomy and Astrophysics, volume 590A, 134-134 (2016/6-1)

Analytical determination of orbital elements using Fourier analysis. I. The radial velocity case.


Abstract (from CDS):

We describe an analytical method for computing the orbital parameters of a planet from the periodogram of a radial velocity signal. The method is very efficient and provides a good approximation of the orbital parameters. The accuracy is mainly limited by the accuracy of the computation of the Fourier decomposition of the signal which is sensitive to sampling and noise. Our method is complementary with more accurate (and more expensive in computer time) numerical algorithms (e.g. Levenberg-Marquardt, Markov chain Monte Carlo, genetic algorithms). Indeed, the analytical approximation can be used as an initial condition to accelerate the convergence of these numerical methods. Our method can be applied iteratively to search for multiple planets in the same system.

Abstract Copyright: © ESO, 2016

Journal keyword(s): celestial mechanics - planets and satellites: general - methods: analytical - techniques: radial velocities

Simbad objects: 10

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