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 2019AJ....158..197R  
Date of discovery paper 2019 / 6 / 10 y / m / d
Data/telescope used for discovery KELT  
Right ascension 10 47 38.35 h m s
Declination +71 39 21.2 d m s
Right ascension (decimal) 161.90979 degrees
Declination (decimal) 71.65589 degrees
V-band apparent magnitude 8.39 mag
K-band apparent magnitude 7.15 mag
Transit duration 0.17930
( 4.3032 )
day
hour
Transit depth 0.9 %
Time of mid-transit   2459173.347426 ± 0.000034     HJD or BJD
Orbital period 5.55149296 ± 0.00000052 days
Reference for orbital ephemeris   arXiv:2406.04288  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6426 +91 −93 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.138 +0.086 −0.082 dex
Stellar mass 1.268 ± 0.063   Msun
Stellar radius 1.338 +0.030 −0.032 Rsun
Stellar logarithmic surface gravity 4.248 +0.018 −0.021 c.g.s.
Stellar mean density 0.527 ± 0.023
( 0.744 ± 0.032 )
ρsun
g cm-3
Orbital eccentricity 0.0319 +0.0079 −0.0074  
Orbital semimajor axis   0.0665 ± 0.0011  AU
Planetary mass 4.59 ± 0.18
( 1459 ± 57 )
Mjup
Mearth
Planetary radius 1.134 +0.026 −0.027
( 12.71 + 0.29 − 0.30 )
Rjup
Rearth
Planetary surface gravity 88.3 +2.9 −2.8
3.95 +0.01 −0.01
m/s2
log(cgs)
Planetary mean density 2.94 +0.14 −0.15
( 3.90 +0.19 −0.20 )
ρjup
g cm-3
Planetary equilibrium temperature 1391 +22 −23 K
Reference of detailed study arXiv:2406.04288  

 

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)   1.2   + 8.2   - 7.4  
Giovinazzi et al. (2024)   1.4   + 4.9   - 4.7  

 

 


Page generated on 2024/09/10           John Southworth   (Keele University, UK)