Multi-order TODCOR: Application to observations taken with the CORALIE echelle spectrograph - II. A planet in the system HD 41004

• Tipo: Artigo em Revista Científica Internacional
• Data: 2004

Autores

Zucker, S (Autor) Outra; Mazeh, T (Autor) Outra; N.C. Santos (Autor) Outra; Udry, S (Autor) Outra; Mayor, M (Autor) Outra

Revista

Título: Astronomy and Astrophysics

Vol. 426

Páginas: 695-698

ISSN: 0004-6361

Editora: EDP Sciences

Indexação

ISI Web of Knowledge - 130 Citações

Scopus - 121 Citações

Outras Informações

ID Authenticus: P-000-7SV

DOI: 10.1051/0004-6361:20040384

Abstract (EN): In previous works we reported the detection of a brown-dwarf companion orbiting the faint stellar component of the visual binary HD 41004. This had been achieved by applying the multi-order TwO-Dimensional CORrelation (TODCOR) algorithm to CORALIE spectra. A long-term trend of the primary component had also been detected. In this paper we report follow-up observations that seem to unravel the nature of this long-term trend. The new measurements are consistent with the presence of a 2.5 M-J planet in an eccentric orbit around HD41004 A. Thus, HD41004 is a unique hierarchical system with a brown dwarf that accompanies the faint M-component, and a planet that orbits the brighter K-component.

Idioma: Inglês

Tipo (Avaliação Docente): Científica

Nº de páginas: 4