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   2455091.53464 ± 0.00010     HJD or BJD
Orbital period 4.00878388 ± 0.00000015 days
Reference for orbital ephemeris   2022AJ....164..220H  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 4969 +47 −48 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.243 ± 0.049 dex
Stellar mass 0.845 +0.037 −0.035   Msun
Stellar radius 0.792 +0.021 −0.025 Rsun
Stellar logarithmic surface gravity 4.567 +0.030 −0.022 c.g.s.
Stellar mean density 1.69 +0.18 −0.11
( 2.38 +0.25 −0.16 )
ρsun
g cm-3
Orbital eccentricity 0.084 ± 0.041  
Orbital semimajor axis   0.04649 +0.00062 −0.00059  AU
Planetary mass 0.284 ± 0.017
( 90.3 ± 5.4 )
Mjup
Mearth
Planetary radius 1.064 +0.031 −0.034
( 11.93 + 0.35 − 0.38 )
Rjup
Rearth
Planetary surface gravity 6.24 +0.48 −0.44
2.80 +0.03 −0.03
m/s2
log(cgs)
Planetary mean density 0.221 +0.023 −0.020
( 0.293 +0.031 −0.027 )
ρjup
g cm-3
Planetary equilibrium temperature 986 +16 −18 K
Reference of detailed study 2020MNRAS.496.4174B  

 

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

 


Page generated on 2023/12/01           John Southworth   (Keele University, UK)