Planet HD 7449 Ac

Detailed information about planet HD 7449 Ac and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

HD 7449 Ac

Planet Status

Controversial

Discovered in

2011

Update

2024-07-28

Mass

19.2 (\pm 4.2)

M_J

Mass*sin(i)

19.2 (\pm 4.2)

M_J 1 publication

Truly eccentric. I. Revisiting eight single-eccentric planetary systems

Semi-Major Axis

12.7 (\pm 0.6)

AU 1 publication

Truly eccentric. I. Revisiting eight single-eccentric planetary systems

Orbital Period

15441.0 (\pm 1059.0)

day 1 publication

Truly eccentric. I. Revisiting eight single-eccentric planetary systems

Eccentricity

— 1 publication

Truly eccentric. I. Revisiting eight single-eccentric planetary systems

ω

50.0 (\pm 16.0)

deg 1 publication

Truly eccentric. I. Revisiting eight single-eccentric planetary systems

T_peri

2455883.0 (\begin{matrix} + 172.0 \\ - 172.0 \end{matrix})

JD 1 publication

The HARPS search for southern extra-solar planets. XXX. Planetary systems around stars with solar-like magnetic cycles and short-term activity variation

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

144.0 (\pm 31.0)

m/s 1 publication

Truly eccentric. I. Revisiting eight single-eccentric planetary systems

Calculated temperature

—

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

HD 7449 c

Data Source	Type	Result Value	Result Figure	Notes	Reference

Molecule	Data Source	Type	Result Value	Result Figure	Notes	Reference

Feng et al. (2022): New orbital solution does not detect the outer brown dwarf but the low-mass stellar companion only. See also Planets in Binaries webpage.

No link

Star

Name

HD 7449 A

Distance

39.0 (\pm 1.0)

pc 1 publication

The HARPS search for southern extra-solar planets. XXX. Planetary systems around stars with solar-like magnetic cycles and short-term activity variation

Spectral type

F8V

Apparent magnitude V

7.5

Mass

1.05 M_Sun 1 publication

The HARPS search for southern extra-solar planets. XXX. Planetary systems around stars with solar-like magnetic cycles and short-term activity variation

Age

2.1 (\pm 0.24)

Gyr 1 publication

The HARPS search for southern extra-solar planets. XXX. Planetary systems around stars with solar-like magnetic cycles and short-term activity variation

Effective temperature

6024.0 (\pm 13.0)

K 1 publication

The HARPS search for southern extra-solar planets. XXX. Planetary systems around stars with solar-like magnetic cycles and short-term activity variation

Radius

1.01 R_Sun 1 publication

The HARPS search for southern extra-solar planets. XXX. Planetary systems around stars with solar-like magnetic cycles and short-term activity variation

Metallicity [Fe/H]

-0.11 (\pm 0.01)

1 publication

The HARPS search for southern extra-solar planets. XXX. Planetary systems around stars with solar-like magnetic cycles and short-term activity variation

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

01:14:29.0

Dec₂₀₀₀

-05:02:51.0

Alternate Names

HD 7449

No remarks

No link

Simbad
Most recent references (ADS)

Planet HD 7449 Ac

Planet

Basic informations 28 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks Some remarks

Other web pages No page

Star

Basic informations 13 parameters

Planetary system 2 planets

Remarks No remark

Other web pages No page

More data 2 references

Planet HD 7449 Ac

Planet

Basic informations 28 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks Some remarks

Other web pages No page

Star

Basic informations 13 parameters

Planetary system 2 planets

Remarks No remark

Other web pages No page

More data 2 references

Related publications

3D Selection of 167 Substellar Companions to Nearby Stars

Truly eccentric. I. Revisiting eight single-eccentric planetary systems

MagAO Imaging of Long-period Objects (MILO). I. A Benchmark M Dwarf Companion Exciting a Massive Planet around the Sun-like Star HD 7449

Orbital stability of coplanar two-planet exosystems with high eccentricities

Highly eccentric exoplanets trapped in mean-motion resonances

Forever alone? Testing single eccentric planetary systems for multiple companions

A Uniformly Derived Catalogue of Exoplanets from Radial Velocities

Extrasolar planets in stellar multiple systems.

The HARPS search for southern extra-solar planets. XXX. Planetary systems around stars with solar-like magnetic cycles and short-term activity variation

The Exoplanet Handbook