Planet K2-3 b

Name K2-3 b
Planet Status Confirmed
Discovered in 2015
Mass 0.026 ( -0.0066 +0.0066 ) MJ
Mass*sin(i) 0.026 ( -0.0066 +0.0066 ) MJ
Semi-Major Axis 0.0775 (± 0.0039) AU +
Orbital Period 10.05449 (± 0.00026) day +
Eccentricity 0.06 (± 0.06)
ω
Tperi
Radius 0.194 ( -0.03 +0.03 ) RJ
Inclination 89.59 ( -0.4 +0.24 ) deg +
Update 2015-12-01
Detection Method Primary Transit
Mass Detection Method Radial Velocity
Radius Detection Method Primary Transit
Primary transit 2455813.4189 (± 0.0011) JD
Secondary transit
λ
Impact Parameter b 0.21 ( -0.12 +0.21 )
Time Vr=0
Velocity Semiamplitude K
Calculated temperature 463.0 K +
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

K2-3
Name K2-3
Distance 42.0 (± 2.0) pc +
Spectral type M0.0V
Apparent magnitude V 12.17
Mass 0.612 (± 0.086) MSun +
Age < 1.0 Gyr
Effective temperature 3951.0 ( -38.0 +33.0 ) K +
Radius 0.553 (± 0.041) RSun +
Metallicity [Fe/H] -0.3 ( -0.06 +0.07 ) +
Detected Disc
Magnetic Field
RA2000 11:29:20.0
Dec2000 -01:27:17
Alternate Names EPIC 201367065
Planetary system
3 planets

Observability Predictor

Remarks

Sinukoff et al. compute the equilibrium temperature assuming an albedo of 0.3.

Related publications

Eyes on K2-3: A system of three likely sub-Neptunes characterized with HARPS-N and HARPS
2018 DAMASSO M., BONOMO A., ASTUDILLO-DEFRU N., BONFILS X., MALAVOLTA L. et al.
Astron. & Astrophys., 615, A69
arxiv   paper  

Obliquity and Eccentricity Constraints For Terrestrial Exoplanets
2017 KANE S. & TORRES S.
Astron. J., 154, 204
paper  arxiv  

Spitzer Observations of Exoplanets Discovered with The Kepler K2 Mission
2016 BEICHMAN Ch., LIVINGSTON J., WERNER M., GORJIAN V., KRICK J. et al.
ApJ, 822, 39
paper  arxiv  ADS  

Characterizing transiting exoplanet atmospheres with JWST
2016 GREENE Th., LINE M., MONTERO C, FORTNEY J.R J. & LUTHER K.
ApJ, 817, 17
paper  arxiv  ADS

A nearby M star with three transiting super-Earths discovered by K2
2015 CROSSFIELD I., PETIGURA E., SCHLIECKER J., HOWARD A., FULTON B. te al.
ApJ, 803, 10
paper  arxiv  ADS  

A HARPS view on K2-3
2015 ALMENARA J.-M., ASTUDILLO-DEFRU N., BONFILS X., FORVEILLE Th., SANTERNE A. et al.
Astron. & Astrophys., 581, L7
paper  arxiv  ADS

Stellar and Planetary Properties of K2 Campaign 1 Candidates and Validation of 17 Systems, Including a Planet Receiving Earth-like Insolation
2015 MONTET B., MORTON T., FOREMAN-MACKEY D., JOHNSON J., HOGG D. et 4 additional authors
ApJ, 809, 25
arxiv   paper   ADS  

Eleven Multi-planet Systems from K2 Campaigns 1 & 2 and the Masses of Two Hot Super-Earths
2015 SINUKOFF E., HOWARD A., PETIGURA E., SCHLIEDER J., CROSSFIELD I. et al.
ApJ, 827, 78
arxiv   paper   ADS