Planet HD 217850 b

Detailed information about planet HD 217850 b and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

HD 217850 b

Planet Status

Retracted

Discovered in

2018

Update

2023-12-17

Mass

323.0 (\pm 25.0)

M_J

Mass*sin(i)

22.16 (\pm 0.73)

M_J 2 publications

Detection and characterisation of 54 massive companions with the SOPHIE spectrograph -- 7 new brown dwarfs and constraints on the BD desert
Radial Velocities from the N2K Project: Six New Cold Gas Giant Planets Orbiting HD 55696, HD 98736, HD 148164, HD 203473, and HD 211810

Semi-Major Axis

4.656 (\pm 0.065)

AU 2 publications

Detection and characterisation of 54 massive companions with the SOPHIE spectrograph -- 7 new brown dwarfs and constraints on the BD desert
Radial Velocities from the N2K Project: Six New Cold Gas Giant Planets Orbiting HD 55696, HD 98736, HD 148164, HD 203473, and HD 211810

Orbital Period

3508.1 (\pm 2.7)

day 2 publications

Detection and characterisation of 54 massive companions with the SOPHIE spectrograph -- 7 new brown dwarfs and constraints on the BD desert
Radial Velocities from the N2K Project: Six New Cold Gas Giant Planets Orbiting HD 55696, HD 98736, HD 148164, HD 203473, and HD 211810

Eccentricity

0.7584 (\pm 0.0016)

2 publications

Detection and characterisation of 54 massive companions with the SOPHIE spectrograph -- 7 new brown dwarfs and constraints on the BD desert
Radial Velocities from the N2K Project: Six New Cold Gas Giant Planets Orbiting HD 55696, HD 98736, HD 148164, HD 203473, and HD 211810

ω

165.68 (\pm 0.26)

deg 2 publications

Detection and characterisation of 54 massive companions with the SOPHIE spectrograph -- 7 new brown dwarfs and constraints on the BD desert
Radial Velocities from the N2K Project: Six New Cold Gas Giant Planets Orbiting HD 55696, HD 98736, HD 148164, HD 203473, and HD 211810

T_peri

2457552.0 (\pm 1.1)

JD 2 publications

Detection and characterisation of 54 massive companions with the SOPHIE spectrograph -- 7 new brown dwarfs and constraints on the BD desert
Radial Velocities from the N2K Project: Six New Cold Gas Giant Planets Orbiting HD 55696, HD 98736, HD 148164, HD 203473, and HD 211810

Radius

—

Inclination

—

Detection Method

Radial Velocity, Astrometry

Mass Meas. Method

Astrometry

Radius Meas. Method

—

Primary transit

—

Secondary transit

—

λ

—

Impact Parameter b

—

Time V_r=0

—

Velocity Semiamplitude K

433.4 (\pm 2.7)

m/s 2 publications

Detection and characterisation of 54 massive companions with the SOPHIE spectrograph -- 7 new brown dwarfs and constraints on the BD desert
Radial Velocities from the N2K Project: Six New Cold Gas Giant Planets Orbiting HD 55696, HD 98736, HD 148164, HD 203473, and HD 211810

Calculated temperature

—

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

—

Data Source	Type	Result Value	Result Figure	Notes	Reference

Molecule	Data Source	Type	Result Value	Result Figure	Notes	Reference

No remarks

No link

Star

Name

HD 217850

Distance

61.0 pc 1 publication

Radial Velocities from the N2K Project: Six New Cold Gas Giant Planets Orbiting HD 55696, HD 98736, HD 148164, HD 203473, and HD 211810

Spectral type

G8V

Apparent magnitude V

8.5

Mass

1.03 (\pm 0.16)

M_Sun 1 publication

Radial Velocities from the N2K Project: Six New Cold Gas Giant Planets Orbiting HD 55696, HD 98736, HD 148164, HD 203473, and HD 211810

Age

7.6 (\pm 1.3)

Gyr 1 publication

Radial Velocities from the N2K Project: Six New Cold Gas Giant Planets Orbiting HD 55696, HD 98736, HD 148164, HD 203473, and HD 211810

Effective temperature

—

Radius

—

Metallicity [Fe/H]

0.26 1 publication

Radial Velocities from the N2K Project: Six New Cold Gas Giant Planets Orbiting HD 55696, HD 98736, HD 148164, HD 203473, and HD 211810

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

23:02:37.0

Dec₂₀₀₀

+58:52:34.0

Alternate Names

—

No remarks

http://simbad.u-strasbg.fr/simbad/sim-id?Ident=HD+217850&NbIdent=1&Radius=2&Radius.unit=arcmin&submit=submit+id

Simbad
Most recent references (ADS)

Planet HD 217850 b

Planet

Basic informations 28 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks No remark

Other web pages No page

Star

Basic informations 13 parameters

Planetary system 0 planets

Remarks No remark

Other web pages Some pages

More data 2 references

Planet HD 217850 b

Planet

Basic informations 28 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks No remark

Other web pages No page

Star

Basic informations 13 parameters

Planetary system 0 planets

Remarks No remark

Other web pages Some pages

More data 2 references

Related publications

The Masses of a Sample of Radial-Velocity Exoplanets with Astrometric Measurements

A ubiquitous unifying degeneracy in two-body microlensing systems

Detection and characterisation of 54 massive companions with the SOPHIE spectrograph -- 7 new brown dwarfs and constraints on the BD desert

Radial Velocities from the N2K Project: Six New Cold Gas Giant Planets Orbiting HD 55696, HD 98736, HD 148164, HD 203473, and HD 211810