Stellar wobble caused by a binary system: Can it really be mistaken as an extra-solar planet?

DOI10.1051/0004-6361:200810741zbMATH Open1156.85305arXiv0810.0506OpenAlexW3100168216WikidataQ58436455 ScholiaQ58436455MaRDI QIDQ3614098

Alexandre C. M. Correia, M. H. M. Morais

Publication date: 16 March 2009

Published in: Astronomy & Astrophysics (Search for Journal in Brave)

Abstract: The traditional method for detecting extra-solar planets relies on measuring a small stellar wobble which is assumed to be caused by a planet orbiting the star. Recently, it was suggested that a similar stellar wobble could be caused by a close binary system (Schneider and Cabrera, 2006). Here we show that, although the effect of a close binary system can at first sight be mistaken as a planetary companion to the star, more careful analysis of the observational data should allow us to distinguish between the two effects.

Full work available at URL: https://arxiv.org/abs/0810.0506

zbMATH Keywords

celestial mechanics stars: planetary systems methods: observational techniques: radial velocities stars: binaries: general

Mathematics Subject Classification ID

Celestial mechanics (70F15) Galactic and stellar dynamics (85A05) Radiative transfer in astronomy and astrophysics (85A25)

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