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
Data/telescope used for discovery HAT  
Right ascension 00 38 04.02 h m s
Declination +34 42 41.7 d m s
Right ascension (decimal) 9.51675 degrees
Declination (decimal) 34.71158 degrees
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   2456610.863945 ± 0.000071     HJD or BJD
Orbital period 4.00878322 ± 0.00000019 days
Reference for orbital ephemeris   2024MNRAS.528.1930K  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 4962 +39 −41 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.166 +0.070 −0.068 dex
Stellar mass 0.807 +0.034 −0.030   Msun
Stellar radius 0.773 +0.011 −0.010 Rsun
Stellar logarithmic surface gravity 4.5687 +0.0066 −0.0056 c.g.s.
Stellar mean density 1.749 +0.013 −0.023
( 2.468 +0.018 −0.032 )
ρsun
g cm-3
Orbital eccentricity 0.084 ± 0.041  
Orbital semimajor axis   0.04599 +0.00063 −0.00058  AU
Planetary mass 0.277 +0.017 −0.016
( 88.1 +5.4 −5.1 )
Mjup
Mearth
Planetary radius 1.008 +0.014 −0.013
( 11.30 + 0.16 − 0.15 )
Rjup
Rearth
Planetary surface gravity 6.76 +0.37 −0.36
2.83 +0.02 −0.02
m/s2
log(cgs)
Planetary mean density 0.253 ± 0.014
( 0.336 ± 0.019 )
ρjup
g cm-3
Planetary equilibrium temperature 981 ± 8 K
Reference of detailed study 2024MNRAS.528.1930K  

 

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

 


Page generated on 2024/03/28           John Southworth   (Keele University, UK)