Planet sig Per b

Name sig Per b
Planet Status Confirmed
Discovered in 2014
Mass 6.5 ( -1.0 +1.0 ) MJ
Mass*sin(i) 6.5 ( -1.0 +1.0 ) MJ
Semi-Major Axis 1.8 (± 0.1) AU
Orbital Period 579.8 (± 2.4) day
Eccentricity 0.3 (± 0.1)
ω 83.5 (± 14.2) deg
Tperi 2453022.6 (± 20.7) JD
Radius
Inclination
Update 2014-05-12
Detection Method Radial Velocity
Mass Detection Method
Radius Detection Method
Primary transit
Secondary transit
λ
Impact Parameter b
Time Vr=0
Velocity Semiamplitude K
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

sig Per
Name sig Per
Distance 108.3 (± 3.0) pc
Spectral type K3III
Apparent magnitude V 4.36
Mass 2.25 (± 0.5) MSun
Age
Effective temperature 4367.0 (± 100.0) K
Radius 28.0 RSun
Metallicity [Fe/H] -0.22 (± 0.23)
Detected Disc
Magnetic Field
RA2000 03:30:35.0
Dec2000 +47:59:43
Alternate Names
Planetary system 1 planet

More data


Related publications

Planetary companion in K giant Sigma Persei
2014 LEE B.-Ch., HAN I., PARK M.-G., MKRTICHIAN D., JEONG G. et al.
J. Korean Astron. Soc., 47, 69
paper  arxiv