TEPCat: K2-114


 

This page summarises the information held within TEPCat for the transiting planetary system K2-114. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2017AJ....154..188S  
Date of discovery paper 2017 / 8 / 24 y / m / d
Data/telescope used for discovery K2  
Right ascension 08 31 31.91 h m s
Declination +11 44 20.2 d m s
Right ascension (decimal) 127.88296 degrees
Declination (decimal) 11.73894 degrees
V-band apparent magnitude 14.57 mag
K-band apparent magnitude 12.30 mag
Transit duration 0.1627
( 3.905 )
day
hour
Transit depth 1.6 %
Time of mid-transit   2457174.49729 ± 0.00033     HJD or BJD
Orbital period 11.39109 ± 0.00018 days
Reference for orbital ephemeris   2017AJ....154..188S  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5014 ± 60 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.41 ± 0.04 dex
Stellar mass 0.832 +0.021 −0.018   Msun
Stellar radius 0.828 +0.026 −0.022 Rsun
Stellar logarithmic surface gravity 4.481 +0.044 −0.051 c.g.s.
Stellar mean density 1.30 +0.23 −0.21
( 1.83 +0.32 −0.30 )
ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.09309 +0.00066 −0.00059  AU
Planetary mass 1.85 +0.23 −0.22
( 588 +73 −69 )
Mjup
Mearth
Planetary radius 0.942 +0.032 −0.020
( 10.56 + 0.36 − 0.22 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 2.25 +0.35 −0.34
( 2.98 +0.46 −0.45 )
ρjup
g cm-3
Planetary equilibrium temperature 719 +15 −11 K
Reference of detailed study 2017AJ....154..188S  

 

K2-114 does not have an entry in the catalogue of orbital obliquity measurements.

 

K2-114 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2022/12/07           John Southworth   (Keele University, UK)