Planet Kepler-46 c

Name Kepler-46 c
Planet Status Confirmed
Discovered in 2012
Mass 0.362 ( -0.016 +0.016 ) MJ
Mass*sin(i)
Semi-Major Axis 0.2799 (± 0.0041) AU
Orbital Period 57.004 ( -0.1 +0.1 ) day
Eccentricity 0.0145 (± 0.0039)
ω 329.4 (± 11.0) deg
Tperi
Radius
Inclination 87.25 ( -0.95 +0.95 ) deg
Update 2017-04-06
Detection Method TTV
Mass Detection Method TTV
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 KOI-872 c

Star

Kepler-46
Name Kepler-46
Distance 857.0 (± 69.0) pc
Spectral type
Apparent magnitude V 15.3
Mass 0.902 (± 0.04) MSun
Age 9.9 ( -3.1 +3.1 ) Gyr
Effective temperature 5155.0 (± 105.0) K
Radius 0.94 (± 0.04) RSun
Metallicity [Fe/H] 0.41 (± 0.1)
Detected Disc
Magnetic Field
RA2000 19:17:05.0
Dec2000 +42:36:15
Alternate Names
Planetary system
2 planets

Remarks

Alias 2MASS 19170449+4236150

More data

AMD-Stability Calculator for the System

Observability Predictor

Remarks

11 May 2012: The planet c is inferred from TTVs of planet b (Nesvorny et al. 2012)

Related publications

Masses of Kepler-46b, c from Transit Timing Variations
2017 SAAD-OLIVERA X., NESVORNY D., KIPPING D. & ROIG F.
Astron. J., 153, 198
paper  arxiv  ADS

Toward an initial mass function for giant planets
2017 CARRERA D., DAVIES M. & JOHANSEN A.
MNRAS, 478, 691
paper  arxiv  

Warm Jupiters are less lonely than hot Jupiters: close neighbours
2016 HUANG Ch., WU Y. & TRIAUD A.
ApJ, 825, 98
paper  arxiv  ADS  

The Detection and Characterization of a Nontransiting Planet by Transit Timing Variations
2012 NESVORNY D., KIPPING D., BUCHHAVE L., BAKOS G., HARTMAN J. & SCHMITT A.
Science, 336, 1133
arxiv   paper

The Exoplanet Handbook
2011 Michael Perryman
Content
Content and Chapter 5