Planet HD 133131 Ab

Detailed information about planet HD 133131 Ab and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

HD 133131 Ab

Mass

—

Mass*sin(i)

1.43 (\begin{matrix} + 0.04 \\ - 0.04 \end{matrix})

M_J 1 publication

The Magellan PFS Planet Search Program: Radial Velocity and Stellar Abundance Analyses of the 360 AU, Metal-Poor Binary "Twins" HD 133131A & B

Semi-Major Axis

1.44 (\pm 0.005)

AU 1 publication

The Magellan PFS Planet Search Program: Radial Velocity and Stellar Abundance Analyses of the 360 AU, Metal-Poor Binary "Twins" HD 133131A & B

Orbital Period

649.0 (\pm 3.0)

day 1 publication

The Magellan PFS Planet Search Program: Radial Velocity and Stellar Abundance Analyses of the 360 AU, Metal-Poor Binary "Twins" HD 133131A & B

Eccentricity

0.32 (\pm 0.03)

1 publication

The Magellan PFS Planet Search Program: Radial Velocity and Stellar Abundance Analyses of the 360 AU, Metal-Poor Binary "Twins" HD 133131A & B

ω

—

T_peri

—

Radius

—

Inclination

—

Primary transit

—

Secondary transit

—

λ

—

Impact Parameter b

—

Time V_r=0

—

Velocity Semiamplitude K

36.68 (\pm 0.93)

m/s 1 publication

The Magellan PFS Planet Search Program: Radial Velocity and Stellar Abundance Analyses of the 360 AU, Metal-Poor Binary "Twins" HD 133131A & B

Calculated temperature

—

Measured temperature

—

Hottest point longitude

—

Surface gravity log(g/g_H)

—

Data Source	Type	Result Value	Result Figure	Notes	Reference

Molecule	Data Source	Type	Result Value	Result Figure	Notes	Reference

HD 133131A and B are separated by 360 AU. The period is approximately 4240 years.
See also Planets in Binaries webpage.

No link

Star

Name

HD 133131 A

Distance

47.0 pc

Spectral type

G2V

Apparent magnitude V

8.4

Apparent magnitude I

—

Apparent magnitude J

—

Apparent magnitude H

—

Apparent magnitude K

—

Mass

0.95 M_Sun 1 publication

The Magellan PFS Planet Search Program: Radial Velocity and Stellar Abundance Analyses of the 360 AU, Metal-Poor Binary "Twins" HD 133131A & B

Age

9.7 Gyr

Effective temperature

5799.0 (\pm 19.0)

K 1 publication

The Magellan PFS Planet Search Program: Radial Velocity and Stellar Abundance Analyses of the 360 AU, Metal-Poor Binary "Twins" HD 133131A & B

Radius

—

Metallicity [Fe/H]

-0.306 (\pm 0.016)

1 publication

The Magellan PFS Planet Search Program: Radial Velocity and Stellar Abundance Analyses of the 360 AU, Metal-Poor Binary "Twins" HD 133131A & B

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

15:03:35.8

Dec₂₀₀₀

-27:50:27.6

Alternate Names

—

Desidera et al., A&A, 454, 553, 2006 : 133131A and 133131B are separated by approx. 360AU. The period is approx 4240 years.

No link

Simbad
Most recent references (ADS)

Planet HD 133131 Ab

Planet

Basic informations 20 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks Some remarks

Other web pages No page

Star

Basic informations 17 parameters

Planetary system 2 planets

Remarks Some remarks

Other web pages No page

More data 2 references

Planet HD 133131 Ab

Planet

Basic informations 20 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks Some remarks

Other web pages No page

Star

Basic informations 17 parameters

Planetary system 2 planets

Remarks Some remarks

Other web pages No page

More data 2 references

Related publications

Gaia Search for (sub)stellar Companions of Exoplanet Hosts

Multiplicity of stars with planets in the solar neighbourhood

Stability analysis of three exoplanet systems

Stability analysis of three exoplanet systems

The Magellan PFS Planet Search Program: Radial Velocity and Stellar Abundance Analyses of the 360 AU, Metal-Poor Binary "Twins" HD 133131A & B