TEPCat: KELT-25

 

This page summarises the information held within TEPCat for the transiting planetary system KELT-25. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2020AJ....160..111R  
Date of discovery paper 2019 / 12 / 4 y / m / d
Data/telescope used for discovery KELT  
Right ascension 07 12 29.55 h m s
Declination −24 57 12.8 d m s
Right ascension (decimal) 108.12313 degrees
Declination (decimal) -24.95356 degrees
V-band apparent magnitude 9.84 mag
K-band apparent magnitude 9.30 mag
Transit duration 0.2051
( 4.922 ) 		day
hour
Transit depth 0.56 %
Time of mid-transit   2458493.31501 ± 0.00037     HJD or BJD
Orbital period 4.401131 ± 0.000059 days
Reference for orbital ephemeris   2020AJ....160..111R  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 8100 ± 190 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.14 ± 0.17 dex
Stellar mass 2.18 +0.12 −0.11   Msun
Stellar radius 2.264 +0.048 −0.052 Rsun
Stellar logarithmic surface gravity 4.064 +0.032 −0.026 c.g.s.
Stellar mean density 0.186 +0.018 −0.013
( 0.262 +0.025 −0.018 ) 		ρsun
g cm-3
Orbital eccentricity  
Orbital semimajor axis   0.0681 +0.0012 −0.0011  AU
Planetary mass 0.0 +64 −0.0
( 0 +**** −0 ) 		Mjup
Mearth
Planetary radius 1.642 +0.039 −0.043
( 18.41 + 0.44 − 0.48 ) 		Rjup
Rearth
Planetary surface gravity 0.0 +590 −0.0
**0000000000000000000000000000000000000000000000000 +**0000000000000000000000000000000000000000000000000 −**0000000000000000000000000000000000000000000000000		 m/s2
log(cgs)
Planetary mean density 0.0 +14 −0.0
( 0 +18 − 0 ) 		ρjup
g cm-3
Planetary equilibrium temperature 2306 +100 −47 K
Reference of detailed study 2020AJ....160..111R  

 

KELT-25 does not have an entry in the catalogue of orbital obliquity measurements.

 

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