Planet HD 87646 Ac

Detailed information about planet HD 87646 Ac and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

HD 87646 Ac

Planet Status

Confirmed

Discovered in

2016

Publication Status

Published in a refereed paper

Update

2025-02-11

Mass

—

Mass*sin(i)

57.0 (\begin{matrix} + 3.7 \\ - 3.7 \end{matrix})

M_J

Semi-Major Axis

1.58 (\pm 0.04)

AU 1 publication

Very Low-Mass Stellar and Substellar Companions to Solar-like Stars From MARVELS VI: A Giant Planet and a Brown Dwarf Candidate in a Close Binary System HD 87646

Orbital Period

674.0 (\pm 4.0)

day 1 publication

Very Low-Mass Stellar and Substellar Companions to Solar-like Stars From MARVELS VI: A Giant Planet and a Brown Dwarf Candidate in a Close Binary System HD 87646

Eccentricity

0.5 (\pm 0.02)

1 publication

Very Low-Mass Stellar and Substellar Companions to Solar-like Stars From MARVELS VI: A Giant Planet and a Brown Dwarf Candidate in a Close Binary System HD 87646

Angular distance

—

ω

—

T_peri

—

Radius

—

Inclination

—

Detection Method

Radial Velocity

Mass Meas. Method

Radial Velocity

Radius Meas. Method

—

Primary transit

—

Secondary transit

—

λ

—

Impact Parameter b

—

Time V_r=0

—

Velocity Semiamplitude K

1370.0 (\pm 54.0)

m/s

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

Star

Name

HD 87646 A

Distance

92.44 pc

Spectral type

G1IV

Apparent magnitude V

8.0

Apparent magnitude I

—

Apparent magnitude J

—

Apparent magnitude H

—

Apparent magnitude K

—

Mass

1.12 (\pm 0.09)

M_Sun 1 publication

Very Low-Mass Stellar and Substellar Companions to Solar-like Stars From MARVELS VI: A Giant Planet and a Brown Dwarf Candidate in a Close Binary System HD 87646

Age

—

Effective temperature

5770.0 (\pm 80.0)

K 1 publication

Very Low-Mass Stellar and Substellar Companions to Solar-like Stars From MARVELS VI: A Giant Planet and a Brown Dwarf Candidate in a Close Binary System HD 87646

Radius

1.55 (\pm 0.22)

R_Sun 1 publication

Very Low-Mass Stellar and Substellar Companions to Solar-like Stars From MARVELS VI: A Giant Planet and a Brown Dwarf Candidate in a Close Binary System HD 87646

Metallicity [Fe/H]

-0.17 (\pm 0.08)

1 publication

Very Low-Mass Stellar and Substellar Companions to Solar-like Stars From MARVELS VI: A Giant Planet and a Brown Dwarf Candidate in a Close Binary System HD 87646

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

10:06:40.8

Dec₂₀₀₀

+17:53:42.4

Alternate Names

MARVELS-7

HD 87646 is a close binary with a separation of approx. 22 AU. The companion is a K star.

No link

Simbad
Most recent references (ADS)

Planet HD 87646 Ac

Planet

Basic informations 30 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 87646 Ac

Planet

Basic informations 30 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

Very Low-Mass Stellar and Substellar Companions to Solar-like Stars From MARVELS VI: A Giant Planet and a Brown Dwarf Candidate in a Close Binary System HD 87646