TEPCat: WASP-19


 

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

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2010ApJ...708..224H  
Date of discovery paper 2009 / 12 / 16 y / m / d
Right ascension 09 53 40.08 h m s
Declination −45 39 33.0 d m s
V-band apparent magnitude 12.31 mag
K-band apparent magnitude 10.48 mag
Transit duration 0.06586
( 1.5806 )
day
hour
Transit depth 2.4 %
Time of mid-transit   2454775.33745 ± 0.00035     HJD or BJD
Orbital period 0.7888396 ± 0.0000010 days
Reference for orbital ephemeris   2013MNRAS.436....2M  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5460 ± 90 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.14 ± 0.11 dex
Stellar mass 0.935 ± 0.041   Msun
Stellar radius 1.018 ± 0.015 Rsun
Stellar logarithmic surface gravity 4.3932 ± 0.0066 c.g.s.
Stellar mean density 0.8853 ± 0.0060
( 1.2492 ± 0.0085 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.027 −0.0  
Orbital semimajor axis   0.01634 ± 0.00024  AU
Planetary mass 1.139 ± 0.036
( 362 ± 11 )
Mjup
Mearth
Planetary radius 1.410 ± 0.021
( 15.80 ± 0.24 )
Rjup
Rearth
Planetary surface gravity 14.21 ± 0.18
3.153 ± 0.005
m/s2
log(cgs)
Planetary mean density 0.3800 ± 0.0079
( 0.504 ± 0.010 )
ρjup
g cm-3
Planetary equilibrium temperature 2077 ± 34 K
Reference of detailed study 2013MNRAS.436....2M  

 

Entries in the catalogue of Rossiter-McLaughlin measurements:
 
Reference λ (degrees)
Hellier et al. (2011)   4.6   ±   5.2  
Albrecht et al. (2012)   15   ±   11  
Tregloan-Reed et al. (2012)   1.0   ±   1.2  

 

 

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

 


Page generated on 2017/12/15           John Southworth   (Keele University, UK)