Planet HD 87646A b

Name HD 87646A b
Planet Status Confirmed
Discovered in 2016
Mass 12.4 (± 0.7) MJ
Mass*sin(i) 12.4 (± 0.7) MJ
Semi-Major Axis 0.117 (± 0.003) AU
Orbital Period 13.481 (± 0.001) JD
Eccentricity 0.05 (± 0.02)
ω
Tperi
Radius
Inclination
Update 2016-08-16
Detection Method Radial Velocity
Mass Detection Method Radial Velocity
Radius Detection Method
Molecules
Primary transit
Secondary transit
λ
Impact Parameter b
Time Vr=0
Velocity Semiamplitude K 956.0 (± 25.0) m/s
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

HD 87646 A
Name HD 87646 A
Distance
Spectral type G1IV
Apparent magnitude V 8.0
Mass 1.12 (± 0.09) MSun
Age
Effective temperature 5770.0 (± 80.0) K
Radius 1.55 (± 0.22) RSun
Metallicity [Fe/H] -0.17 (± 0.08)
Detected Disc
Magnetic Field
RA2000 10:06:40.8
Dec2000 +17:53:42
Alternate Names
Planetary system
2 planets

Remarks

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

More data


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
2016 MA, B., GE, J., WOLSZCZAN, A., MUTERSPAUGH, M., LEE, B. & 33 additional authors
Astron. J., 152, 112
paper  arxiv  ADS