Planet BD+20 594 b

Name BD+20 594 b
Planet Status Confirmed
Discovered in 2016
Mass 0.07 ( -0.03 +0.03 ) MJ
Mass*sin(i) 0.0513 ( -0.019 +0.019 ) MJ
Semi-Major Axis 0.241 (± 0.019) AU
Orbital Period 41.6855 (± 0.0031) day
Eccentricity 0.0
ω
Tperi
Radius 0.23 ( -0.01 +0.01 ) RJ
Inclination 89.55 ( -0.14 +0.17 ) deg
Update 2021-02-05
Detection Method Primary Transit
Mass Detection Method Radial Velocity
Radius Detection Method Primary Transit
Primary transit 2457151.9021 ( -0.0047 +0.0042 ) JD
Secondary transit
λ
Impact Parameter b
Time Vr=0
Velocity Semiamplitude K 3.1 (± 1.1) m/s
Calculated temperature 386.0 K
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names 2MASS J03343623+2035574 b, EPIC 210848071 b, EPIC 210848071.01, K2-56 b, TYC 1242-608-1 b, WISE J033436.26+203556.7 b

Star

BD+20 594
Name BD+20 594
Distance 180.39 ( -1.25 +1.25 ) pc
Spectral type G
Apparent magnitude V 11.0
Mass 1.67 ( -0.4 +0.4 ) MSun
Age 3.34 ( -1.49 +1.95 ) Gyr
Effective temperature 5766.0 (± 99.0) K
Radius 1.08 ( -0.06 +0.06 ) RSun
Metallicity [Fe/H] -0.15 (± 0.05)
Detected Disc
Magnetic Field
RA2000 03:34:36.2
Dec2000 +20:35:57
Alternate Names 2MASS 03343623+2035574, 2MASS J03343623+2035574, EPIC 210848071, K2-56, TYC 1242-608-1, WISE J033436.26+203556.7
Planetary system 1 planet

More data

Observability Predictor

Remarks

29 Jan 2016: The calculated equilibrium temperature of 386 K is for a Bond albedo 0.75. For a Bond albedo 0, the temperature is 546 K (Espinoza et al. 2016).

Related publications

A Neptune-sized Exoplanet Consistent with a Pure Rock Composition
2016 ESPINOZA N., BRAHM R., JORDAN A., JENKINS J., ROJAS F. et al.
ApJ, submitted
arxiv