Planet K2-264 b

Name K2-264 b
Planet Status Confirmed
Discovered in 2018
Mass
Mass*sin(i)
Semi-Major Axis 0.05023 ( -0.00043 +0.00042 ) AU
Orbital Period 5.83977 ( -6.1e-05 +6.3e-05 ) day
Eccentricity 0.0 ( -0.0 +0.5 )
ω
Tperi
Radius 0.2025 ( -0.0143 +0.018 ) RJ
Inclination 88.9 (± 0.7) deg
Update 2018-12-20
Detection Method Primary Transit
Mass Detection Method
Radius Detection Method Primary Transit
Primary transit
Secondary transit
λ
Impact Parameter b 0.44 ( -0.28 +0.29 )
Time Vr=0
Velocity Semiamplitude K
Calculated temperature 489.0 ( -13.0 +12.0 ) K
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names EPIC 211964830 b

Star

EPIC 211964830
Name EPIC 211964830
Distance 186.6 ( -4.1 +2.1 ) pc
Spectral type M2.5
Apparent magnitude V
Mass 0.471 (± 0.012) MSun
Age
Effective temperature 3580.0 (± 70.0) K
Radius 0.473 (± 0.014) RSun
Metallicity [Fe/H] 0.12 (± 0.04)
Detected Disc
Magnetic Field
RA2000 08:45:26.0
Dec2000 +19:41:54
Alternate Names K2-264, 2MASS J08452605+1941544
Planetary system
2 planets

More data

Observability Predictor

Remarks

The two planets of this star are simultaneously announced by Rizzuto et al. (2018 ) as K2-264 system and by Livingston et al. (2018) as EPIC 211964830 system.

Related publications

K2-264: A transiting multi-planet system in the Praesepe open cluster
2018 LIVINGSTON J., HIRANO T., GANDOLFI D., TRANI A., NOWAK G. et al.
MNRAS, 484, 8
paper  arxiv

Zodiacal Exoplanets in Time (ZEIT) VIII: A Two Planet System in Praesepe from K2 Campaign 16
2018 RIZZUTO, A., VANDERBURG, A., MANN, A., KRAUS, A., DRESSING, C. et al.
Astron. J., 156, 195
paper  arxiv  ADS