SIMBAD references

2004A&A...426..695Z - Astronomy and Astrophysics, volume 426, 695-698 (2004/11-1)

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

ZUCKER S., MAZEH T., SANTOS N.C., UDRY S. and MAYOR M.

Abstract (from CDS):

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 2.5MJ planet in an eccentric orbit around HD 41004A. Thus, HD 41004 is a unique hierarchical system with a brown dwarf that accompanies the faint M-component, and a planet that orbits the brighter K-component.

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Journal keyword(s): methods: data analysis - techniques: radial velocities - stars: binaries: spectroscopic - stars: individual: HD 41004 - stars: low-mass, dwarfs brown

VizieR on-line data: <Available at CDS (J/A+A/426/695): table2.dat>

Simbad objects: 9

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