TEPCat: K2-24b


 

This page summarises the information held within TEPCat for the transiting planetary system K2-24b. 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 0.228
( 5.47 )
day
hour
Transit depth 0.2 %
Time of mid-transit   2456905.8855 ± 0.0054     HJD or BJD
Orbital period 20.88977 ± 0.00035 days
Reference for orbital ephemeris   arXiv:1806.08959  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5625 ± 60 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.34 ± 0.04 dex
Stellar mass 1.07 ± 0.06   Msun
Stellar radius 1.16 +0.04 −0.40 Rsun
Stellar logarithmic surface gravity 4.29 ± 0.05 c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity 0.06 ± 0.01  
Orbital semimajor axis   0.154 ± 0.002  AU
Planetary mass 0.0570 +0.0069 −0.0066
( 18.1 +2.2 −2.1 )
Mjup
Mearth
Planetary radius 0.482 ± 0.018
( 5.40 ± 0.20 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 0.482 +0.090 −0.076
( 0.64 +0.12 −0.10 )
ρjup
g cm-3
Planetary equilibrium temperature 767 ± 177 K
Reference of detailed study arXiv:1806.08959  

 

K2-24b does not have an entry in the catalogue of orbital obliquity measurements.

 

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

 


Page generated on 2018/07/20           John Southworth   (Keele University, UK)