Planet HD 109271 Ac

Detailed information about planet HD 109271 Ac and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

HD 109271 Ac

Mass

—

Mass*sin(i)

0.076 (\begin{matrix} + 0.007 \\ - 0.007 \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

0.196 (\pm 0.003)

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

30.93 (\pm 0.02)

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

0.15 (\pm 0.09)

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

4.0 (\pm 120.0)

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

2455733.0 (\pm 8.0)

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

—

Primary transit

—

Secondary transit

—

λ

—

Impact Parameter b

—

Time V_r=0

—

Velocity Semiamplitude K

—

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

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

Apparent magnitude I

—

Apparent magnitude J

—

Apparent magnitude H

—

Apparent magnitude K

—

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 Ac

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 109271 Ac

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

DREAM. III. A helium survey in exoplanets on the edge of the hot Neptune desert with GIANO-B at TNG

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

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