Planet HD 29021 b

Detailed information about planet HD 29021 b and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

HD 29021 b

Planet Status

Confirmed

Discovered in

2017

Update

2017-06-29

Mass

2.4 (\begin{matrix} + 0.2 \\ - 0.2 \end{matrix})

M_J

Mass*sin(i)

2.4 (\begin{matrix} + 0.2 \\ - 0.2 \end{matrix})

M_J

Semi-Major Axis

2.28 (\begin{matrix} + 0.07 \\ - 0.08 \end{matrix})

AU 1 publication

The SOPHIE search for northern extrasolar planets - XII. Three giant planets suitable for astrometric mass determination with Gaia

Orbital Period

1362.3 (\begin{matrix} + 4.6 \\ - 4.0 \end{matrix})

day 1 publication

The SOPHIE search for northern extrasolar planets - XII. Three giant planets suitable for astrometric mass determination with Gaia

Eccentricity

0.459 (\pm 0.008)

1 publication

The SOPHIE search for northern extrasolar planets - XII. Three giant planets suitable for astrometric mass determination with Gaia

ω

—

T_peri

2455823.9 (\begin{matrix} + 6.1 \\ - 5.7 \end{matrix})

JD 1 publication

The SOPHIE search for northern extrasolar planets - XII. Three giant planets suitable for astrometric mass determination with Gaia

Radius

—

Inclination

—

Detection Method

Radial Velocity

Mass Meas. Method

Radial Velocity

Radius Meas. Method

—

Primary transit

—

Secondary transit

—

λ

—

Impact Parameter b

—

Time V_r=0

—

Velocity Semiamplitude K

56.4 (\pm 0.9)

m/s 1 publication

The SOPHIE search for northern extrasolar planets - XII. Three giant planets suitable for astrometric mass determination with Gaia

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 29021

Distance

30.6 (\pm 0.4)

pc 1 publication

The SOPHIE search for northern extrasolar planets - XII. Three giant planets suitable for astrometric mass determination with Gaia

Spectral type

G5

Apparent magnitude V

7.76

Mass

0.85 (\pm 0.08)

M_Sun 1 publication

The SOPHIE search for northern extrasolar planets - XII. Three giant planets suitable for astrometric mass determination with Gaia

Age

7.4 (\pm 3.1)

Gyr 1 publication

The SOPHIE search for northern extrasolar planets - XII. Three giant planets suitable for astrometric mass determination with Gaia

Effective temperature

5560.0 (\pm 45.0)

K 1 publication

The SOPHIE search for northern extrasolar planets - XII. Three giant planets suitable for astrometric mass determination with Gaia

Radius

0.85 (\pm 0.09)

R_Sun 1 publication

The SOPHIE search for northern extrasolar planets - XII. Three giant planets suitable for astrometric mass determination with Gaia

Metallicity [Fe/H]

-0.24 (\pm 0.02)

1 publication

The SOPHIE search for northern extrasolar planets - XII. Three giant planets suitable for astrometric mass determination with Gaia

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

04:37:52.2

Dec₂₀₀₀

+60:40:34.3

Alternate Names

2MASS J04375221+6040344

No remarks

No link

Simbad
Most recent references (ADS)

Planet HD 29021 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 1 planet

Remarks No remark

Other web pages No page

More data 2 references

Planet HD 29021 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 1 planet

Remarks No remark

Other web pages No page

More data 2 references

Related publications

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The SOPHIE search for northern extrasolar planets - XII. Three giant planets suitable for astrometric mass determination with Gaia

Comparative Climates of the Trappist-1 Planetary System: Results from a Simple Climate-vegetation Model