Planet K2-264 c

Name K2-264 c
Planet Status Confirmed
Discovered in 2018
Mass
Mass*sin(i)
Semi-Major Axis 0.11283 (± 0.00097) AU
Orbital Period 19.66365 ( -0.000306 +0.000303 ) day
Eccentricity 0.0 ( -0.0 +0.45 )
ω
Tperi
Radius 0.2471 ( -0.0161 +0.018 ) RJ
Inclination 89.6 (± 0.3) deg
Update 2018-12-20
Detection Method Primary Transit
Mass Detection Method
Radius Detection Method Primary Transit
Primary transit 2458096.93729 ( -0.00071 +0.00077 ) JD
Secondary transit
λ
Impact Parameter b 0.37 ( -0.25 +0.3 )
Time Vr=0
Velocity Semiamplitude K
Calculated temperature 326.0 ( -9.0 +8.0 ) K
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names EPIC 211964830 c

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 2MASS J08452605+1941544, K2-264
Planetary system
2 planets

More data

Observability Predictor

Remarks

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

Related publications

Impact of Space Weather on Climate and Habitability of Terrestrial Type Exoplanets
2019 AIRAPETIAN V., BARNES R., COHEN O., COLLINSON G., DANCHI W. et al.
Int. J. Astrobiol., in press
paper

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  

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