SIMBAD references

2006ApJ...652.1724J - Astrophys. J., 652, 1724-1728 (2006/December-1)

An eccentric hot Jupiter orbiting the subgiant HD 185269.

JOHNSON J.A., MARCY G.W., FISCHER D.A., HENRY G.W., WRIGHT J.T., ISAACSON H. and McCARTHY C.

Abstract (from CDS):

We report the detection of a Jupiter-mass planet in a 6.838 day orbit around the 1.28 Msubgiant HD 185269. The eccentricity of HD 185269b (e=0.30) is unusually large compared to other planets within 0.1 AU of their stars. Photometric observations demonstrate that the star is constant to ±0.0001 mag on the radial velocity period, strengthening our interpretation of a planetary companion. This planet was detected as part of our radial velocity survey of evolved stars located on the subgiant branch of the H-R diagram–also known as the Hertzsprung gap. These stars, which have masses between 1.2 and 2.5 M, play an important role in the investigation of the frequency of extrasolar planets as a function of stellar mass.

Abstract Copyright:

Journal keyword(s): Stars: Planetary Systems: Formation - stars: individual (HD 189269) - Techniques: Radial Velocities

Simbad objects: 8

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2021.02.25-09:02:21

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