Planet HD 27894 c

Detailed information about planet HD 27894 c and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

HD 27894 c

Planet Status

Confirmed

Discovered in

2017

Publication Status

—

Update

2025-08-13

Mass

—

Mass*sin(i)

0.162 (\begin{matrix} + 0.011 \\ - 0.04 \end{matrix})

M_J

Semi-Major Axis

0.198 (\pm 0.001)

AU 1 publication

Three planets around HD 27894. A close-in pair with a 2:1 period ratio and an eccentric Jovian planet at 5.4 AU

Orbital Period

36.07 (\begin{matrix} + 0.26 \\ - 0.09 \end{matrix})

day 1 publication

Three planets around HD 27894. A close-in pair with a 2:1 period ratio and an eccentric Jovian planet at 5.4 AU

Eccentricity

0.015 (\begin{matrix} + 0.02 \\ - 0.002 \end{matrix})

1 publication

Three planets around HD 27894. A close-in pair with a 2:1 period ratio and an eccentric Jovian planet at 5.4 AU

Angular distance

—

ω

44.2 (\begin{matrix} + 11.0 \\ - 7.5 \end{matrix})

deg

T_peri

—

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

11.57 (\begin{matrix} + 2.79 \\ - 2.89 \end{matrix})

m/s 1 publication

Three planets around HD 27894. A close-in pair with a 2:1 period ratio and an eccentric Jovian planet at 5.4 AU

Calculated temperature

—

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

HIP 20277 c

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 27894

Distance

42.37 pc

Spectral type

K2V

Apparent magnitude V

9.36

Apparent magnitude I

—

Apparent magnitude J

—

Apparent magnitude H

—

Apparent magnitude K

—

Mass

0.8 M_Sun 1 publication

The HARPS search for southern extra-solar planets. IV. Three close-in planets around HD 2638, HD 27894 and HD 63454.

Age

3.9 Gyr 1 publication

The HARPS search for southern extra-solar planets. IV. Three close-in planets around HD 2638, HD 27894 and HD 63454.

Effective temperature

4875.0 (\pm 81.0)

K 1 publication

The HARPS search for southern extra-solar planets. IV. Three close-in planets around HD 2638, HD 27894 and HD 63454.

Radius

—

Metallicity [Fe/H]

0.3 (\pm 0.07)

1 publication

The HARPS search for southern extra-solar planets. IV. Three close-in planets around HD 2638, HD 27894 and HD 63454.

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

04:20:47.0

Dec₂₀₀₀

-59:24:39.0

Alternate Names

HIP 20277

No remarks

No link

Simbad
Most recent references (ADS)

Planet HD 27894 c

Planet

Basic informations 30 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks No remark

Other web pages No page

Star

Basic informations 17 parameters

Planetary system 3 planets

Remarks No remark

Other web pages No page

More data 2 references

Planet HD 27894 c

Planet

Basic informations 30 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks No remark

Other web pages No page

Star

Basic informations 17 parameters

Planetary system 3 planets

Remarks No remark

Other web pages No page

More data 2 references

Related publications

Orbits and Masses for 156 Companions from Combined Astrometry and Radial Velocities, and A Validation of Gaia Non-Single Star Solutions

Structure of the planetary 2:1 MMR.Mapping the structure of the planetary 2:1 mean motion resonance: the TOI-216, K2-24, and HD27894 systems

Three planets around HD 27894. A close-in pair with a 2:1 period ratio and an eccentric Jovian planet at 5.4 AU

The HARPS search for southern extra-solar planets. IV. Three close-in planets around HD 2638, HD 27894 and HD 63454.