A Jupiter-like Planet Orbiting the Nearby M Dwarf GJ832

Abstract

Precision Doppler velocity measurements from the Anglo-Australian Tele- scope reveal a planet with a 9.4+/-0.4 year period orbiting the M1.5 dwarf GJ 832. Within measurement uncertainty the orbit is circular, and the minimum mass (m sin i) of the planet is 0.64+/-0.06 MJUP. GJ 832 appears to be depleted in met- als by at least 50% relative to the Sun, as are a significant fraction of the M dwarfs known to host exoplanets. GJ 832 adds another Jupiter-mass planet to the known census of M dwarf exoplanets, which currently includes a significant number of Neptune-mass planets. GJ 832 is an excellent candidate for astromet- ric orbit determination with alpha sin i = 0.95 mas. GJ 832b has the second largest angular distance from its star among radial velocity detected exoplanets (0.69 arc sec) making it a potentially interesting target for future direct detection.

16 pages, 3 figures, Accepted by ApJ

References in corpus (11)

• Planet formation around stars of various masses: The snow line and the frequency of giant planets
• A New Planet Around an M Dwarf: Revealing a Correlation Between Exoplanets and Stellar Mass
• The HARPS search for southern extra-solar planets XI. Super-Earths (5 & 8 M_Earth) in a 3-planet system
• The HARPS search for southern extra-solar planets. X. A m sin i = 11 Mearth planet around the nearby spotted M dwarf GJ 674
• The Extrasolar Planet epsilon Eridani b - Orbit and Mass
• A Long-Period Jupiter-Mass Planet Orbiting the Nearby M Dwarf GJ849
• High eccentricity planets from the Anglo-Australian Planet Search
• Metallicities of M Dwarf Planet Hosts from Spectral Synthesis
• The 2:1 resonant exoplanetary system orbiting HD73526
• Exploring the Local Milky Way: M Dwarfs as Tracers of Galactic Populations
• Flux-Limited Diffusion Approximation Models of Giant Planet Formation by Disk Instability

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• The NASA-UC-UH Eta-Earth Program: IV. A Low-mass Planet Orbiting an M Dwarf 3.6 PC from Earth
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• Exoplanets as Sub-GeV Dark Matter Detectors
• GJ 832c: A super-earth in the habitable zone
• Correlations between the stellar, planetary and debris components of exoplanet systems observed by $\text{Herschel}$
• The Solar Neighborhood. XXXIV. A Search for Planets Orbiting Nearby M Dwarfs using Astrometry
• Predicting the Extreme Ultraviolet Radiation Environment of Exoplanets Around Low-Mass Stars: GJ 832, GJ 176, GJ 436
• Reconstructing the Extreme Ultraviolet Emission of Cool Dwarfs Using Differential Emission Measure Polynomials
• Mid-to-Late M Dwarfs Lack Jupiter Analogs
• Metallicity determination of M dwarfs - Expanded parameter range in metallicity and effective temperature
• TOI-530b: A giant planet transiting an M dwarf detected by TESS
• HAZMAT. VII. The Evolution of Ultraviolet Emission with Age and Rotation for Early M Dwarf Stars
• The impact of time-dependent stellar activity on exoplanet atmospheres
• The mass determination of TOI-519 b: a close-in giant planet transiting a metal-rich mid-M dwarf
• Flares, Rotation, Activity Cycles and a Magnetic Star-Planet Interaction Hypothesis for the Far Ultraviolet Emission of GJ 436
• Multi techniques approach to identify and/or constrain radial velocity sub-stellar companions
• Physical properties and astrometry of radio-emitting brown dwarf TVLM513-46546 revisited
• A super-Earth on a close-in orbit around the M1V star GJ 740. A HADES and CARMENES collaboration
• H${}_2$ Fluorescence in M Dwarf Systems: A Stellar Origin
• Radial velocity homogeneous analysis of M dwarfs observed with HARPS I. Exoplanet detection and candidates
• The Feasibility of Directly Imaging Nearby Cold Jovian Planets with MIRI/JWST
• Detailed stellar activity analysis and modelling of GJ 832: Reassessment of the putative habitable zone planet GJ 832c
• The Effect of Metallicity on the Non-Equilibrium Abundance of Hydrogen Dominated Exoplanet Atmosphere
• Planetary system architectures with low-mass inner planets: Direct imaging exploration of mature systems beyond 1 au
• Planetary Dynamos in Evolving Cold Gas Giants