SIMBAD references

2009A&A...496..527B - Astronomy and Astrophysics, volume 496, 527-531 (2009/3-3)

The HARPS search for southern extra-solar planets. XVII. Super-Earth and Neptune-mass planets in multiple planet systems HD47186 and HD181433.

BOUCHY F., MAYOR M., LOVIS C., UDRY S., BENZ W., BERTAUX J.-L., DELFOSSE X., MORDASINI C., PEPE F., QUELOZ D. and SEGRANSAN D.

Abstract (from CDS):

We report on the detection of two new multiple planet systems orbiting solar-like stars HD47186 and HD181433. The first system contains a hot Neptune of 22.78M⊕ with a 4.08-day period and a Saturn of 0.35MJUP with a 3.7-year period. The second system contains a Super-Earth of 7.5M⊕ with a 9.4-day period, a 0.64MJUP with a 2.6-year period, and a third companion of 0.54MJUP with a period of about 6 years. These detections increase to 20 the number of close-in low-mass exoplanets (below 0.1MJUP) and strengthen the fact that 80% of these planets are in multiple planetary systems.

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Journal keyword(s): stars: planetary systems - techniques: radial velocities - stars: individual: HD47186 - stars: individual: HD181433

VizieR on-line data: <Available at CDS (J/A+A/496/527): table1.dat table2.dat>

Simbad objects: 16

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