TEPCat: KELT-19


 

This page summarises the information held within TEPCat for the transiting planetary system KELT-19. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:1709.07010  
Date of discovery paper 2017 / 9 / 22 y / m / d
Right ascension 07 26 02.29 h m s
Declination +07 36 56.8 d m s
V-band apparent magnitude 9.90 mag
K-band apparent magnitude 9.20 mag
Transit duration 0.1831
( 4.394 )
day
hour
Transit depth 1.2 %
Time of mid-transit   2457281.24954 ± 0.00036     HJD or BJD
Orbital period 4.6117093 ± 0.0000099 days
Reference for orbital ephemeris   arXiv:1709.07010  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 7500 ± 110 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.12 ± 0.51 dex
Stellar mass 1.62 +0.25 −0.20   Msun
Stellar radius 1.830 ± 0.099 Rsun
Stellar logarithmic surface gravity 4.127 ± 0.029 c.g.s.
Stellar mean density 0.266 +0.022 −0.019
( 0.375 +0.031 −0.027 )
ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.0637 +0.0031 −0.0027  AU
Planetary mass 0.0 +4.07 −0.0
( 0 +1293 −0 )
Mjup
Mearth
Planetary radius 1.91 ± 0.11
( 21.4 ± 1.2 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density ρjup
g cm-3
Planetary equilibrium temperature 1935 ± 38 K
Reference of detailed study arXiv:1709.07010  

 

Entries in the catalogue of Rossiter-McLaughlin measurements:
 
Reference λ (degrees)
Siverd et al. (2017)   −179.7   + 3.7   - 3.8  

 

 

KELT-19 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2017/12/12           John Southworth   (Keele University, UK)