Planet HD 206893 b

Name HD 206893 b
Planet Status Confirmed
Discovered in 2016
Mass 28.0 ( -2.1 +2.2 ) MJ +
Mass*sin(i)
Semi-Major Axis 9.6 ( -0.3 +0.4 ) AU +
Orbital Period 9807.0 (± 2140.0) day +
Eccentricity 0.14 (± 0.05) +
ω 183.0 (± 10.0) deg +
Tperi
Radius 1.25 (± 0.02) RJ +
Inclination 146.8 ( -3.9 +3.3 ) deg +
Update 2023-01-02
Detection Method Imaging
Mass Detection Method Spectrum
Radius Detection Method Theoretical
Primary transit
Secondary transit
λ
Impact Parameter b
Time Vr=0
Velocity Semiamplitude K
Calculated temperature
Measured temperature 1429.2 K +
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names HD 206893B

Star

HD 206893
Name HD 206893
Distance 38.34 (± 0.8) pc
Spectral type F5V
Apparent magnitude V 6.67
Mass 1.24 MSun
Age 1.1 (± 1.0) Gyr
Effective temperature 6486.0 K
Radius
Metallicity [Fe/H]
Detected Disc
Magnetic Field
RA2000 21:45:22.0
Dec2000 -12:47:00
Alternate Names
Planetary system
2 planets

More data

Observability Predictor

Remarks

Hinckley etal. 2022 : The star HD 206893 hosts a nearby debris disk and a 12.7 MJ companion HD206893 c. The two companions are 155+/-15 Myr old and HD206893 c is undergoing deuterium burning.

Related publications

Direct discovery of the inner exoplanet in the HD 206893 system Evidence for deuterium burning in a planetary-mass companion
2023 HINKLEY S., LACOUR S., MARLEAU G., LAGRANGE A.-M., WANG J. et al.
Astron. & Astrophys., 671, L5
paper   arxiv  

The Orbital Eccentricities of Directly Imaged Companions Using Observable-based Priors: Implications for Population-level Distributions
2023 DO O C., O'NEIL K., KONOPACKY Q., DO T., MARTINEZ G. et al.
Astron. J., 166, 48
paper  

Formation of Gaps in Self-gravitating Debris Disks by Secular Resonance in a Single-planet System. II. Towards a Self-consistent Model
2023 SEFILIAN A., RAFIKOV R. & WYATT M.
ApJ, submitted
arxiv  

GRAVITY K-band spectroscopy of HD 206893 B. Brown dwarf or exoplanet
2021 KAMMERER J., LACOUR S., STOLKER T., MOLLIERE P., SING D. et al.
Astron. & Astrophys., 652, A57
paper   arxiv

Gemini Planet Imager Spectroscopy of the Dusty Substellar Companion HD 206893 B
2021 WARD-DUONG K., PATIENCE J., FOLLETTE K., DE ROSA R., RAMEAU J. et al.
Astron. J., 161, 5
paper  arxiv  

Resolving Structure in the Debris Disk around HD 206893 with ALMA
2021 NEDERLANDER A., HUGHES A.-M., FEHR A., FLAHERTY K., SU K. et al.
ApJ, accepted
arxiv

Cloud Composition and Origin of the Reddest Known Sub-stellar Companion HD 206893 B
2021 KAMMERER J., STOLKER Th.et al.
JWST GO Programme
abstract

The HD 206893 planetary system seen with VLT/SPHERE - Upper limit on the dust albedo and constraints on additional companions
2021 ROMERO C., MILLI J., LAGRANGE A.-M., van HOLSTEIN R., CANTALLOUBE F. et al.
Astron. & Astrophys., 651, A34
paper  

MIRACLES: atmospheric characterization of directly imaged planets and substellar companions at 4-5 micron. I. Photometric analysis of β Pic b, HIP 65426 b, PZ Tel B and HD 206893 B
2020 STOLKER T., QUANZ S., TODOROV K., KÜHN J., MOLLIERE P. et al.
Astron. & Astrophys., 635, A182
paper   arxiv  

Insights into the planetary dynamics of HD 206893 with ALMA
2020 MARINO S., ZURLO A., FARAMAZ V., MILI J., HENNING Th. et al.
MNRAS, 498, 1319
paper  

Insights into the planetary dynamics of HD 206893 with ALMA
2020 MARINO S., ZURLO A., FARAMAZ V., MILLI J., HENNING Th. et al.
MNRAS, submitted
arxiv  

Constraining the properties of HD 206893 B. A combination of radial velocity, direct imaging, and astrometry data
2019 GRANDJEAN A., LAGRANGE A.-M., BEUST H., RODET L., MILLI J. et al.
Astron. & Astrophys., 627, L9
paper  arxiv  

On the Mass Function, Multiplicity, and Origins of Wide-Orbit Giant Planets
2019 WAGNER K., APAIL D. & KRATTER K.
ApJ, accepted
arxiv  

Discovery of a low-mass companion inside the debris ring surrounding the F5V star HD206893
2017 MILLI J., HIBON P., CHRISTIAENS V., CHOQUET ., BONNEFOY M. et al.
Astron. & Astrophys., 597, L2
paper  arxiv  

In-depth study of moderately young but extremely red, very dusty substellar companion HD206893B
2017 DELORME P., SCHMIDT T., BONNEFOY M., DESIDERA S., GINSKI C. et al.
Astron. & Astrophys., 608, A79
paper  arxiv