Planet HD 109271 Ab

Detailed information about planet HD 109271 Ab and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

HD 109271 Ab

Planet Status

Confirmed

Discovered in

2013

Update

2024-08-01

Mass

0.054 (\begin{matrix} + 0.004 \\ - 0.004 \end{matrix})

M_J

Mass*sin(i)

0.054 (\begin{matrix} + 0.004 \\ - 0.004 \end{matrix})

M_J 1 publication

The HARPS search for southern extrasolar planets: XXXVI. New multi-planet systems in the HARPS volume limited sample: a super-Earth and a Neptune in the habitable zone

Semi-Major Axis

0.079 (\pm 0.001)

AU 1 publication

The HARPS search for southern extrasolar planets: XXXVI. New multi-planet systems in the HARPS volume limited sample: a super-Earth and a Neptune in the habitable zone

Orbital Period

7.8543 (\pm 0.0009)

day 1 publication

The HARPS search for southern extrasolar planets: XXXVI. New multi-planet systems in the HARPS volume limited sample: a super-Earth and a Neptune in the habitable zone

Eccentricity

0.25 (\pm 0.08)

1 publication

The HARPS search for southern extrasolar planets: XXXVI. New multi-planet systems in the HARPS volume limited sample: a super-Earth and a Neptune in the habitable zone

ω

296.0 (\pm 20.0)

deg 1 publication

The HARPS search for southern extrasolar planets: XXXVI. New multi-planet systems in the HARPS volume limited sample: a super-Earth and a Neptune in the habitable zone

T_peri

2455719.1 (\pm 3.6)

JD 1 publication

The HARPS search for southern extrasolar planets: XXXVI. New multi-planet systems in the HARPS volume limited sample: a super-Earth and a Neptune in the habitable zone

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

HD 109271 A

Distance

62.0 (\pm 3.0)

pc 1 publication

The HARPS search for southern extrasolar planets: XXXVI. New multi-planet systems in the HARPS volume limited sample: a super-Earth and a Neptune in the habitable zone

Spectral type

G5V

Apparent magnitude V

8.05

Mass

1.047 (\pm 0.024)

M_Sun 1 publication

The HARPS search for southern extrasolar planets: XXXVI. New multi-planet systems in the HARPS volume limited sample: a super-Earth and a Neptune in the habitable zone

Age

7.3 (\pm 1.2)

Gyr 1 publication

The HARPS search for southern extrasolar planets: XXXVI. New multi-planet systems in the HARPS volume limited sample: a super-Earth and a Neptune in the habitable zone

Effective temperature

5783.0 (\pm 62.0)

K 1 publication

The HARPS search for southern extrasolar planets: XXXVI. New multi-planet systems in the HARPS volume limited sample: a super-Earth and a Neptune in the habitable zone

Radius

—

Metallicity [Fe/H]

0.1 (\pm 0.05)

1 publication

The HARPS search for southern extrasolar planets: XXXVI. New multi-planet systems in the HARPS volume limited sample: a super-Earth and a Neptune in the habitable zone

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

12:33:36.0

Dec₂₀₀₀

-11:37:18.8

Alternate Names

—

Michel & Mugrauer (2024): A white dwarf companion lies 303 AUs away.

No link

Simbad
Most recent references (ADS)

Planet HD 109271 Ab

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 2 planets

Remarks Some remarks

Other web pages No page

More data 2 references

Planet HD 109271 Ab

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 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

How many suns are in the sky? A SPHERE multiplicity survey of exoplanet host stars I -- Four new close stellar companions including a white dwarf

Implications of Captured Interstellar Objects for Panspermia and Extraterrestrial Life

The HARPS search for southern extrasolar planets: XXXVI. New multi-planet systems in the HARPS volume limited sample: a super-Earth and a Neptune in the habitable zone