TEPCat: K2-24c


 

This page summarises the information held within TEPCat for the transiting planetary system K2-24c. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2016ApJ...818...36P  
Date of discovery paper 2015 / 11 / 17 y / m / d
Right ascension 16 10 17.69 h m s
Declination −24 59 25.2 d m s
V-band apparent magnitude 11.28 mag
K-band apparent magnitude 9.18 mag
Transit duration 0.270
( 6.48 )
day
hour
Transit depth 0.4 %
Time of mid-transit   2456915.6251 ± 0.0006     HJD or BJD
Orbital period 42.3633 ± 0.0006 days
Reference for orbital ephemeris   2016ApJ...818...36P  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5743 ± 60 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.42 ± 0.04 dex
Stellar mass 1.12 ± 0.05   Msun
Stellar radius 1.21 ± 0.11 Rsun
Stellar logarithmic surface gravity 4.29 ± 0.07 c.g.s.
Stellar mean density 0.63 ± 0.16
( 0.89 ± 0.23 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.39 −0.0  
Orbital semimajor axis   0.247 ± 0.004  AU
Planetary mass 0.082 +0.018 −0.019
( 26.1 +5.7 −6.0 )
Mjup
Mearth
Planetary radius 0.698 ± 0.064
( 7.82 ± 0.72 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 0.23 ± 0.08
( 0.31 ± 0.11 )
ρjup
g cm-3
Planetary equilibrium temperature 606 ± 139 K
Reference of detailed study 2016ApJ...823..115D  

 

K2-24c does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

K2-24c has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2017/12/15           John Southworth   (Keele University, UK)