Planet HD 115954 Ab

Detailed information about planet HD 115954 Ab and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

HD 115954 Ab

Mass

8.5 (\begin{matrix} + 0.6 \\ - 0.4 \end{matrix})

M_J 1 publication

Updated characterization of long-period single companion by combining radial velocity, relative astrometry, and absolute astrometry

Mass*sin(i)

8.29 (\begin{matrix} + 0.75 \\ - 0.58 \end{matrix})

M_J 1 publication

The SOPHIE search for northern extrasolar planets. XVIII: Six new cold Jupiters, including one of the most eccentric exoplanet orbits

Semi-Major Axis

4.5 (\begin{matrix} + 0.2 \\ - 0.1 \end{matrix})

AU 1 publication

Updated characterization of long-period single companion by combining radial velocity, relative astrometry, and absolute astrometry

Orbital Period

3258.0 (\begin{matrix} + 179.0 \\ - 190.0 \end{matrix})

day 1 publication

Updated characterization of long-period single companion by combining radial velocity, relative astrometry, and absolute astrometry

Eccentricity

0.46 (\pm 0.03)

1 publication

Updated characterization of long-period single companion by combining radial velocity, relative astrometry, and absolute astrometry

ω

173.0 (\begin{matrix} + 7.0 \\ - 8.0 \end{matrix})

deg 1 publication

Updated characterization of long-period single companion by combining radial velocity, relative astrometry, and absolute astrometry

T_peri

—

Radius

—

Inclination

39.0 (\begin{matrix} + 13.0 \\ - 8.0 \end{matrix})

deg 1 publication

Updated characterization of long-period single companion by combining radial velocity, relative astrometry, and absolute astrometry

Primary transit

—

Secondary transit

—

λ

—

Impact Parameter b

—

Time V_r=0

—

Velocity Semiamplitude K

110.7 (\begin{matrix} + 6.9 \\ - 6.1 \end{matrix})

m/s 1 publication

The SOPHIE search for northern extrasolar planets. XVIII: Six new cold Jupiters, including one of the most eccentric exoplanet orbits

Calculated temperature

144.9 (\begin{matrix} + 8.1 \\ - 13.0 \end{matrix})

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

Alternative inclination estimate is 127 ± 4° (Philipot et al. 2023).

No link

Star

Name

HD 115954 A

Distance

218.39 (\pm 2.0)

Spectral type

G0V

Apparent magnitude V

8.34

Apparent magnitude I

—

Apparent magnitude J

—

Apparent magnitude H

—

Apparent magnitude K

—

Mass

1.18 (\pm 0.06)

M_Sun 1 publication

The SOPHIE search for northern extrasolar planets. XVIII: Six new cold Jupiters, including one of the most eccentric exoplanet orbits

Age

— 1 publication

The SOPHIE search for northern extrasolar planets. XVIII: Six new cold Jupiters, including one of the most eccentric exoplanet orbits

Effective temperature

5957.0 (\pm 26.0)

Radius

1.213 (\pm 0.083)

R_Sun 1 publication

The SOPHIE search for northern extrasolar planets. XVIII: Six new cold Jupiters, including one of the most eccentric exoplanet orbits

Metallicity [Fe/H]

0.34 (\pm 0.02)

1 publication

The SOPHIE search for northern extrasolar planets. XVIII: Six new cold Jupiters, including one of the most eccentric exoplanet orbits

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

13:19:56.0

Dec₂₀₀₀

+38:22:09.0

Alternate Names

HIP 65042

A K dwarf companion star lies 5408 AUs away.

No link

Simbad
Most recent references (ADS)

Planet HD 115954 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 1 planet

Remarks Some remarks

Other web pages No page

More data 2 references

Planet HD 115954 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 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

Updated characterization of long-period single companion by combining radial velocity, relative astrometry, and absolute astrometry

The SOPHIE search for northern extrasolar planets. XVIII: Six new cold Jupiters, including one of the most eccentric exoplanet orbits