Planet Kepler-21 b

Name Kepler-21 b
Planet Status Confirmed
Discovered in 2011
Mass 0.016 ( -0.00541 +0.00541 ) MJ +
Mass*sin(i)
Semi-Major Axis 0.0427172 (± 3e-07) AU +
Orbital Period 2.78578 (± 3e-05) day +
Eccentricity 0.02 ( -0.02 +0.1 ) +
ω 245.0 (± 79.0) deg
Tperi 2456797.9 (± 0.7) JD
Radius 0.1462 ( -0.0013 +0.0017 ) RJ +
Inclination 83.2 ( -0.26 +0.28 ) deg
Update 2016-09-27
Detection Method Primary Transit
Mass Detection Method Radial Velocity
Radius Detection Method Primary Transit
Primary transit 2455093.83716 ( -0.00085 +0.00062 ) JD +
Secondary transit
λ
Impact Parameter b 0.584 ( -0.02 +0.018 )
Time Vr=0
Velocity Semiamplitude K 1.99 (± 0.65) m/s
Calculated temperature 2025.0 K
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

Kepler-21
Name Kepler-21
Distance 108.0 (± 19.0) pc
Spectral type F6IV
Apparent magnitude V 8.27
Mass 1.34 (± 0.06) MSun
Age 2.84 (± 0.35) Gyr
Effective temperature 6131.0 (± 44.0) K
Radius 1.86 (± 0.04) RSun
Metallicity [Fe/H] -0.15 (± 0.06)
Detected Disc
Magnetic Field
RA2000 19:09:27.0
Dec2000 +38:42:50
Alternate Names
Planetary system 1 planet

Remarks

Alias HD 179070

More data


Related publications

Covariance of lucky images: performance analysis
2017 CAGIGAS M., VALLE P.,
MNRAS, 464, 680
paper   ADS

The Densities of Planets in Multiple Stellar Systems
2017 FURLAN E. & HOWELL S.
Astron. J., 154, 66
arxiv   paper   ADS  

Kepler-21b: A rocky planet around a V = 8.25 magnitude star
2016 LOPEZ-MORALES M., HAYWOOD R., COUGHLIN J., ZENG L., BUCHHAVE L. et al.
ApJ, 152, 204
paper   arxiv  ADS

A lucky imaging multiplicity study of exoplanet host stars II
2016 GINSKI C., MUGRAUER M., SEELIGER M., BUDER S., ERMANN R. et al.
MNRAS, 457, 2173
paper  arxiv  ADS

Detailed Abundances of Stars with Small Planets Discovered by Kepler I: The First Sample
2015 SCHULER S., VAZ Z., KATIME SANTRICH O., CUNHA K. et al.
ApJ, 815, 5
paper  arxiv  ADS

Dynamics of Rotation of Super-Earths
2013 CALLEGARI N. & RODRIGUEZ J.
Cel. mech. & Dyn. Astron., 116, 389
arxiv   paper

Validation of the Exoplanet Kepler-21b using PAVO/CHARA Long-Baseline Interferometry
2012 HUBER D., IRELAND M., BEDDING T., HOWELL S., MAESTRO V. & 11 additional authors
MNRAS, 423, l16
paper   arxiv

An Efficient Automated Validation Procedure for Exoplanet Transit Candidates
2012 MORTON T.
ApJ., 761, 6
paper  arxiv

A Uniformly Derived Catalogue of Exoplanets from Radial Velocities
2012 HOLLIS M., BALAN S., LEVER G. & LAHAV O.
MNRAS, 423, Issue 3, 2800-2814
paper  arxiv

Kepler 21b - Kepler's Brightest Host Star Harbors a 1.6 R_Earth Planet
2011 HOWELL S.

Kepler-21b: A 1.6REarth Planet Transiting the Bright Oscillating F Subgiant Star HD 179070
2011 HOWEL S., ROWE J., BRYSON S., QUINN S., MARCY G. & 60 additional authors
ApJ.
arxiv

The Exoplanet Handbook
2011 Michael Perryman
Content
Content and Chapter 5