The HARPS search for southern extrasolar planets. XXIII. 8 planetary companions to low-activity solar-type stars

Abstract

In this paper, we present our HARPS radial-velocity data for eight low-activity solar-type stars belonging to the HARPS volume-limited sample: HD6718, HD8535, HD28254, HD290327, HD43197, HD44219, HD148156, and HD156411. Keplerian fits to these data reveal the presence of low-mass companions around these targets. With minimum masses ranging from 0.58 to 2.54 MJup, these companions are in the planetary mass domain. The orbital periods of these planets range from slightly less than one to almost seven years. The eight orbits presented in this paper exhibit a wide variety of eccentricities: from 0.08 to above 0.8.

8 pages, 2 figures, accepted for publication in A&A

References in corpus (9)

• A new code for automatic determination of equivalent widths: Automatic Routine for line Equivalent widths in stellar Spectra (ARES)
• Properties of planets in binary systems. The role of binary separation
• Photometric and spectroscopic detection of the primary transit of the 111-day-period planet HD 80606 b
• Metallicities & Activities of Southern Stars
• High eccentricity planets from the Anglo-Australian Planet Search
• The CORALIE survey for southern extra-solar planets XV. Discovery of two eccentric planets orbiting HD4113 and HD156846
• The N2K Consortium. VII. Atmospheric Parameters of 1907 Metal-Rich Stars: Finding Planet-Search Targets
• The HARPS search for southern extra-solar planets XVII. Six long-period giant planets around BD -17 0063, HD 20868, HD 73267, HD 131664, HD 145377, HD 153950
• The HARPS search for southern extra-solar planets. IX. Exoplanets orbiting HD 100777, HD 190647, and HD 221287

Cited by in corpus (33)

• Spectroscopic stellar parameters for 582 FGK stars in the HARPS volume-limited sample. Revising the metallicity-planet correlation
• Search for brown-dwarf companions of stars
• The Chemical Homogeneity of Sun-like Stars in the Solar Neighborhood
• Extrasolar planets in stellar multiple systems
• On the Mass of CoRoT-7b
• 3-D selection of 167 sub-stellar companions to nearby stars
• Exoplanets as Sub-GeV Dark Matter Detectors
• The HARPS search for southern extrasolar planets. XXV. Four new planets in orbit around the moderatly active dwarfs HD 63765, HD 104067, HD 125595, and HIP 70849
• The planet search programme at the ESO CES and HARPS. IV. The search for Jupiter analogues around solar-like stars
• Jupiter Analogues Orbit Stars with an Average Metallicity Close to that of the Sun
• The Li-age correlation: the Sun is unusually Li deficient for its age
• The HARPS search for southern extra-solar planets: XXVI: Seven new planetary systems
• Correlations between the stellar, planetary and debris components of exoplanet systems observed by $\text{Herschel}$
• The Lick-Carnegie Exoplanet Survey: HD32963 -- A New Jupiter Analog Orbiting a Sun-like Star
• Determining the true mass of radial-velocity exoplanets with Gaia: 9 planet candidates in the brown-dwarf/stellar regime and 27 confirmed planets
• Revised Exoplanet Radii and Habitability Using Gaia Data Release 2
• Detecting the Signatures of Uranus and Neptune
• Accounting for planet-shaped planetary nebulae
• TOI-1259Ab -- a gas giant planet with 2.7% deep transits and a bound white dwarf companion
• Kepler-1656b's Extreme Eccentricity: Signature of a Gentle Giant
• A BCool survey of the magnetic fields of planet-hosting solar-type stars
• The TESS Triple-9 Catalog: 999 uniformly vetted candidate exoplanets
• Stable habitable zones of single Jovian planet systems
• Puzzling out the coexistence of terrestrial planets and giant exoplanets. The 2/1 resonant periodic orbits
• Exclusion of Stellar Companions to Exoplanet Host Stars
• Multi techniques approach to identify and/or constrain radial velocity sub-stellar companions
• An Edge-On Orbit for the Eccentric Long-Period Planet HR 5183 b
• Statistics of Magrathea exoplanets beyond the Main Sequence. Simulating the long-term evolution of circumbinary giant planets with TRES
• Searching for substellar companion candidates with Gaia. II. A catalog of 9,698 planet candidate solar-type hosts
• Exoplanets Around Red Giants: Distribution and Habitability
• True Masses using RV data with Hipparcos and Gaia Astrometry
• Binary frequency of planet-host stars at wide separations: A new brown dwarf companion to a planet-host star
• Dynamical orbital evolution scenarios of the wide-orbit eccentric planet HR 5183b