Planet alf Ari b

Detailed information about planet alf Ari b and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

alf Ari b

Planet Status

Confirmed

Discovered in

2011

Update

2011-04-18

Mass

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

M_J

Mass*sin(i)

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

M_J 1 publication

A likely exoplanet orbiting the oscillating K-giant α Arietis

Semi-Major Axis

1.2

AU 1 publication

A likely exoplanet orbiting the oscillating K-giant α Arietis

Orbital Period

380.8 (\pm 0.3)

day 1 publication

A likely exoplanet orbiting the oscillating K-giant α Arietis

Eccentricity

0.25 (\pm 0.03)

1 publication

A likely exoplanet orbiting the oscillating K-giant α Arietis

ω

89.16 (\pm 6.84)

deg 1 publication

A likely exoplanet orbiting the oscillating K-giant α Arietis

T_peri

2451213.52 (\pm 7.36)

JD 1 publication

A likely exoplanet orbiting the oscillating K-giant α Arietis

Radius

—

Inclination

—

Detection Method

Radial Velocity

Mass Meas. Method

—

Radius Meas. Method

—

Primary transit

—

Secondary transit

—

λ

—

Impact Parameter b

—

Time V_r=0

—

Velocity Semiamplitude K

—

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

alf Ari

Distance

20.2

pc 1 publication

A likely exoplanet orbiting the oscillating K-giant α Arietis

Spectral type

K2III

Apparent magnitude V

2.01

Mass

1.5 (\pm 0.2)

M_Sun 1 publication

A likely exoplanet orbiting the oscillating K-giant α Arietis

Age

—

Effective temperature

4553.0 (\pm 15.0)

K 1 publication

A likely exoplanet orbiting the oscillating K-giant α Arietis

Radius

13.9 (\pm 0.3)

R_Sun 1 publication

A likely exoplanet orbiting the oscillating K-giant α Arietis

Metallicity [Fe/H]

-0.09 (\pm 0.03)

1 publication

A likely exoplanet orbiting the oscillating K-giant α Arietis

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

02:07:10.0

Dec₂₀₀₀

+23:27:44.0

Alternate Names

—

Alias HD 12929

No link

Simbad
Most recent references (ADS)

Planet alf Ari 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 Some remarks

Other web pages No page

More data 2 references

Planet alf Ari 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 Some remarks

Other web pages No page

More data 2 references

Related publications

Feasibility of spectro-polarimetric characterization of exoplanetary atmospheres with direct observing instruments

A Uniformly Derived Catalogue of Exoplanets from Radial Velocities

Taxonomy of the extrasolar planet

Defining and cataloging exoplanets: The exoplanet.eu database

Estimation of the XUV radiation onto close planets and their evaporation

The Exoplanet Handbook

A likely exoplanet orbiting the oscillating K-giant α Arietis

Density Estimation for Projected Exoplanet Quantities