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
Data/telescope used for discovery K2  
Right ascension 16 10 17.69 h m s
Declination −24 59 25.2 d m s
Right ascension (decimal) 242.57371 degrees
Declination (decimal) -24.99033 degrees
V-band apparent magnitude 11.28 mag
K-band apparent magnitude 9.18 mag
Transit duration 0.2707
( 6.497 )
day
hour
Transit depth 0.44 %
Time of mid-transit   2456915.4485 ± 0.0079     HJD or BJD
Orbital period 42.3391 ± 0.0012 days
Reference for orbital ephemeris   2018AJ....156...89P  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5726 ± 65 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.41 ± 0.05 dex
Stellar mass 1.091 ± 0.056   Msun
Stellar radius 1.185 ± 0.011 Rsun
Stellar logarithmic surface gravity 4.48 ± 0.03 c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity 0.0282 +0.0003 −0.0007  
Orbital semimajor axis   0.262 +0.014 −0.011  AU
Planetary mass 0.0516 +0.0041 −0.0006
( 16.40 +1.30 −0.19 )
Mjup
Mearth
Planetary radius 0.707 +0.011 −0.012
( 7.92 +0.12 −0.13 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 0.136 +0.013 −0.007
( 0.1804 +0.0172 −0.0093 )
ρjup
g cm-3
Planetary equilibrium temperature 591 ± 12 K
Reference of detailed study 2024A+A...690A.349N  

 

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

 


Page generated on 2025/08/27           John Southworth   (Keele University, UK)