TEPCat: HAT-P-19


 

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

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2011ApJ...726...52H  
Date of discovery paper 2010 / 7 / 29 y / m / d
Right ascension 00 38 04.02 h m s
Declination +34 42 41.7 d m s
V-band apparent magnitude 12.90 mag
K-band apparent magnitude 10.55 mag
Transit duration 0.11804
( 2.8330 )
day
hour
Transit depth 2.2 %
Time of mid-transit   2457031.78609 ± 0.00015     HJD or BJD
Orbital period 4.00878236 ± 0.00000050 days
Reference for orbital ephemeris   arXiv:1911.07903  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 4991 ± 50 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.24 ± 0.05 dex
Stellar mass 0.834 +0.034 −0.031   Msun
Stellar radius 0.788 +0.093 −0.091 Rsun
Stellar logarithmic surface gravity 4.566 ± 0.018 c.g.s.
Stellar mean density 1.71 +0.09 −0.08
( 2.41 +0.13 −0.11 )
ρsun
g cm-3
Orbital eccentricity 0.084 ± 0.041  
Orbital semimajor axis   0.04649 +0.00062 −0.00059  AU
Planetary mass 0.290 ± 0.016
( 92.2 ± 5.1 )
Mjup
Mearth
Planetary radius 1.089 ± 0.018
( 12.21 ± 0.20 )
Rjup
Rearth
Planetary surface gravity 6.07 +0.39 −0.37
2.78 +0.03 −0.03
m/s2
log(cgs)
Planetary mean density 0.210 +0.016 −0.014
( 0.279 +0.021 −0.019 )
ρjup
g cm-3
Planetary equilibrium temperature 984 ± 10 K
Reference of detailed study arXiv:1911.07903  

 

HAT-P-19 does not have an entry in the catalogue of orbital obliquity measurements.

 

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

 


Page generated on 2021/01/04           John Southworth   (Keele University, UK)