Planet HD 214823 Ab

Detailed information about planet HD 214823 Ab and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

HD 214823 Ab

Planet Status

Confirmed

Discovered in

2016

Publication Status

—

Update

2025-09-23

Mass

18.61 (\begin{matrix} + 4.14 \\ - 1.07 \end{matrix})

M_J 1 publication

3D Selection of 167 Substellar Companions to Nearby Stars

Mass*sin(i)

19.2 (\pm 1.4)

M_J 2 publications

Retired A Stars and Their Companions. VIII. 15 New Planetary Signals around Subgiants and Transit Parameters for California Planet Search Planets with Subgiant Hosts
Retired A Stars and Their Companions. VIII. 15 New Planetary Signals around Subgiants and Transit Parameters for California Planet Search Planets with Subgiant Hosts

Semi-Major Axis

3.08 (\begin{matrix} + 0.126 \\ - 0.139 \end{matrix})

AU 3 publications

3D Selection of 167 Substellar Companions to Nearby Stars
Retired A Stars and Their Companions. VIII. 15 New Planetary Signals around Subgiants and Transit Parameters for California Planet Search Planets with Subgiant Hosts
Retired A Stars and Their Companions. VIII. 15 New Planetary Signals around Subgiants and Transit Parameters for California Planet Search Planets with Subgiant Hosts

Orbital Period

1854.84424 (\begin{matrix} + 1.357 \\ - 1.417 \end{matrix})

day 3 publications

3D Selection of 167 Substellar Companions to Nearby Stars
Retired A Stars and Their Companions. VIII. 15 New Planetary Signals around Subgiants and Transit Parameters for California Planet Search Planets with Subgiant Hosts
Retired A Stars and Their Companions. VIII. 15 New Planetary Signals around Subgiants and Transit Parameters for California Planet Search Planets with Subgiant Hosts

Eccentricity

0.161 (\pm 0.003)

3 publications

3D Selection of 167 Substellar Companions to Nearby Stars
Retired A Stars and Their Companions. VIII. 15 New Planetary Signals around Subgiants and Transit Parameters for California Planet Search Planets with Subgiant Hosts
Retired A Stars and Their Companions. VIII. 15 New Planetary Signals around Subgiants and Transit Parameters for California Planet Search Planets with Subgiant Hosts

Angular distance

—

ω

123.569 (\begin{matrix} + 1.503 \\ - 1.457 \end{matrix})

deg 2 publications

3D Selection of 167 Substellar Companions to Nearby Stars
Retired A Stars and Their Companions. VIII. 15 New Planetary Signals around Subgiants and Transit Parameters for California Planet Search Planets with Subgiant Hosts

T_peri

2455642.1 (\pm 8.6)

JD 2 publications

Retired A Stars and Their Companions. VIII. 15 New Planetary Signals around Subgiants and Transit Parameters for California Planet Search Planets with Subgiant Hosts
Retired A Stars and Their Companions. VIII. 15 New Planetary Signals around Subgiants and Transit Parameters for California Planet Search Planets with Subgiant Hosts

Radius

1.082

R_J

Inclination

99.51 (\begin{matrix} + 23.25 \\ - 22.95 \end{matrix})

deg 1 publication

3D Selection of 167 Substellar Companions to Nearby Stars

Detection Method

Radial Velocity, Astrometry

Mass Meas. Method

Astrometry

Radius Meas. Method

Theoretical

Primary transit

—

Secondary transit

—

λ

—

Impact Parameter b

—

Time V_r=0

—

Velocity Semiamplitude K

283.0 (\begin{matrix} + 0.729 \\ - 0.83 \end{matrix})

m/s 2 publications

3D Selection of 167 Substellar Companions to Nearby Stars
Retired A Stars and Their Companions. VIII. 15 New Planetary Signals around Subgiants and Transit Parameters for California Planet Search Planets with Subgiant Hosts

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 214823 A

Distance

101.7 pc

Spectral type

G0IV

Apparent magnitude V

8.078

Apparent magnitude I

—

Apparent magnitude J

—

Apparent magnitude H

—

Apparent magnitude K

—

Mass

1.31 (\pm 0.13)

M_Sun 2 publications

The SOPHIE search for northern extrasolar planets. XI. Three new companions and an orbit update: Giant planets in the habitable zone
Retired A Stars and Their Companions. VIII. 15 New Planetary Signals around Subgiants and Transit Parameters for California Planet Search Planets with Subgiant Hosts

Age

2.7 (\pm 0.2)

Gyr 1 publication

The SOPHIE search for northern extrasolar planets. XI. Three new companions and an orbit update: Giant planets in the habitable zone

Effective temperature

5933.0 (\pm 30.0)

K 2 publications

The SOPHIE search for northern extrasolar planets. XI. Three new companions and an orbit update: Giant planets in the habitable zone
Retired A Stars and Their Companions. VIII. 15 New Planetary Signals around Subgiants and Transit Parameters for California Planet Search Planets with Subgiant Hosts

Radius

2.04 R_Sun 1 publication

Retired A Stars and Their Companions. VIII. 15 New Planetary Signals around Subgiants and Transit Parameters for California Planet Search Planets with Subgiant Hosts

Metallicity [Fe/H]

0.17 (\pm 0.02)

1 publication

The SOPHIE search for northern extrasolar planets. XI. Three new companions and an orbit update: Giant planets in the habitable zone

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

22:40:19.9

Dec₂₀₀₀

+31:47:15.3

Alternate Names

—

A late K to early M dwarf companion star lies 670 AUs away.

No link

Simbad
Most recent references (ADS)

Planet HD 214823 Ab

Planet

Basic informations 30 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks No remark

Other web pages No page

Star

Basic informations 17 parameters

Planetary system 1 planet

Remarks Some remarks

Other web pages No page

More data 2 references

Planet HD 214823 Ab

Planet

Basic informations 30 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks No remark

Other web pages No page

Star

Basic informations 17 parameters

Planetary system 1 planet

Remarks Some remarks

Other web pages No page

More data 2 references

Related publications

Gaia Search for (sub)stellar Companions of Exoplanet Hosts

3D Selection of 167 Substellar Companions to Nearby Stars

Retired A Stars and Their Companions. VIII. 15 New Planetary Signals around Subgiants and Transit Parameters for California Planet Search Planets with Subgiant Hosts

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

The SOPHIE search for northern extrasolar planets. XI. Three new companions and an orbit update: Giant planets in the habitable zone