TEPCat: KELT-24


 

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

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:1906.03276  
Date of discovery paper 2019 / 6 / 10 y / m / d
Right ascension 10 47 38.35 h m s
Declination +71 39 21.2 d m s
V-band apparent magnitude 8.39 mag
K-band apparent magnitude 7.15 mag
Transit duration 0.1791
( 4.298 )
day
hour
Transit depth 0.8 %
Time of mid-transit   2457147.0530 ± 0.0020     HJD or BJD
Orbital period 5.5514926 ± 0.0000080 days
Reference for orbital ephemeris   arXiv:1906.03276  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6508 ± 49 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.188 ± 0.077 dex
Stellar mass 1.461 +0.056 −0.060   Msun
Stellar radius 1.506 ± 0.022 Rsun
Stellar logarithmic surface gravity 4.248 +0.018 −0.021 c.g.s.
Stellar mean density 0.428 ± 0.023
( 0.604 ± 0.032 )
ρsun
g cm-3
Orbital eccentricity 0.077 +0.024 −0.026  
Orbital semimajor axis   0.06971 +0.00088 −0.00096  AU
Planetary mass 5.18 +0.22 −0.21
( 1646 +69 −66 )
Mjup
Mearth
Planetary radius 1.272 +0.021 −0.022
( 14.26 + 0.24 − 0.25 )
Rjup
Rearth
Planetary surface gravity 79.4 ± 3.9
3.90 ± 0.02
m/s2
log(cgs)
Planetary mean density 2.35 ± 0.14
( 3.12 ± 0.19 )
ρjup
g cm-3
Planetary equilibrium temperature 1458 ± 16 K
Reference of detailed study arXiv:1906.03276  

 

Entries in the catalogue of orbital obliquity measurements:
 
Reference λ (degrees)
Rodriguez et al. (2019)   2.6   + 5.1   - 3.6  
Hjorth et al. (2019)   10.5   ±   24.9  

 

 

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

 


Page generated on 2019/07/16           John Southworth   (Keele University, UK)