Planet Kepler-257 d

Name Kepler-257 d
Planet Status Confirmed
Discovered in 2014
Mass
Mass*sin(i)
Semi-Major Axis 0.16 AU
Orbital Period 24.664551 ( -5.1e-05 +5.1e-05 ) day
Eccentricity
ω
Tperi
Radius 0.442 ( -0.221 +0.221 ) RJ
Inclination
Update 2014-03-06
Detection Method Primary Transit
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

Kepler-257
Name Kepler-257
Distance
Spectral type
Apparent magnitude V
Mass
Age
Effective temperature 5180.0 (± 200.0) K
Radius 1.04 (± 0.52) RSun
Metallicity [Fe/H] 0.315
Detected Disc
Magnetic Field
RA2000 19:49:15.8
Dec2000 +46:01:24
Alternate Names
Planetary system
3 planets

More data


Related publications

Validation of Kepler's Multiple Planet Candidates. III: Light Curve Analysis & Announcement of Hundreds of New Multi-planet Systems
2014 ROWE J., BRYSON T., MARCY G., LISSAUER J., JONTOF-HUTTER D. et al.
ApJ, 784, 45
paper  arxiv