Planet HD 81817 b

Detailed information about planet HD 81817 b and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

HD 81817 b

Mass

24.128 (\begin{matrix} + 9.747 \\ - 0.691 \end{matrix})

M_J 1 publication

3D Selection of 167 Substellar Companions to Nearby Stars

Mass*sin(i)

— 1 publication

3D Selection of 167 Substellar Companions to Nearby Stars

Semi-Major Axis

3.233 (\begin{matrix} + 0.125 \\ - 0.131 \end{matrix})

AU 1 publication

3D Selection of 167 Substellar Companions to Nearby Stars

Orbital Period

1021.2 (\begin{matrix} + 13.6 \\ - 9.9 \end{matrix})

day 1 publication

3D Selection of 167 Substellar Companions to Nearby Stars

Eccentricity

0.097 (\begin{matrix} + 0.09 \\ - 0.057 \end{matrix})

1 publication

3D Selection of 167 Substellar Companions to Nearby Stars

ω

294.231 (\begin{matrix} + 44.164 \\ - 93.262 \end{matrix})

deg 1 publication

3D Selection of 167 Substellar Companions to Nearby Stars

T_peri

—

Radius

—

Inclination

95.594 (\begin{matrix} + 29.637 \\ - 35.307 \end{matrix})

deg

Primary transit

—

Secondary transit

—

λ

—

Impact Parameter b

—

Time V_r=0

—

Velocity Semiamplitude K

183.422 (\begin{matrix} + 3.551 \\ - 3.568 \end{matrix})

m/s 1 publication

3D Selection of 167 Substellar Companions to Nearby Stars

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

No remarks

No link

Star

Name

HD 81817

Distance

269.126 (\pm 21.551)

pc 1 publication

The Revised TESS Input Catalog and Candidate Target List

Spectral type

K3II-III

Apparent magnitude V

4.4

Apparent magnitude I

—

Apparent magnitude J

—

Apparent magnitude H

—

Apparent magnitude K

—

Mass

4.3 (\pm 0.5)

M_Sun 1 publication

Hybrid star HD 81817 accompanied by brown dwarf or substellar companion

Age

0.15 (\pm 0.04)

Gyr 1 publication

Hybrid star HD 81817 accompanied by brown dwarf or substellar companion

Effective temperature

4245.0 (\pm 122.0)

K 1 publication

The Revised TESS Input Catalog and Candidate Target List

Radius

91.4 R_Sun 1 publication

The Revised TESS Input Catalog and Candidate Target List

Metallicity [Fe/H]

-0.17 (\pm 0.1)

1 publication

Hybrid star HD 81817 accompanied by brown dwarf or substellar companion

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

09:37:05.0

Dec₂₀₀₀

+81:18:35.0

Alternate Names

—

No remarks

No link

Simbad
Most recent references (ADS)

Planet HD 81817 b

Planet

Basic informations 20 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 2 planets

Remarks No remark

Other web pages No page

More data 2 references

Planet HD 81817 b

Planet

Basic informations 20 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 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

Hybrid star HD 81817 accompanied by brown dwarf or substellar companion

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The Revised TESS Input Catalog and Candidate Target List

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