TEPCat: WASP-109


 

This page summarises the information held within TEPCat for the transiting planetary system WASP-109. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:1410.3449  
Date of discovery paper 2014 / 10 / 14 y / m / d
Right ascension 15 28 13.23 h m s
Declination −16 24 38.8 d m s
V-band apparent magnitude 11.44 mag
K-band apparent magnitude 10.20 mag
Transit duration 0.11856
( 2.8454 )
day
hour
Transit depth 1.2 %
Time of mid-transit   2456361.19263 ± 0.00023     HJD or BJD
Orbital period 3.3190233 ± 0.0000042 days
Reference for orbital ephemeris   arXiv:1410.3449  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6520 ± 140 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.22 ± 0.08 dex
Stellar mass 1.203 ± 0.090   Msun
Stellar radius 1.346 ± 0.044 Rsun
Stellar logarithmic surface gravity 4.260 ± 0.018 c.g.s.
Stellar mean density 0.493 ± 0.027
( 0.696 ± 0.038 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.32 −0.0  
Orbital semimajor axis   0.0463 ± 0.0011  AU
Planetary mass 0.91 ± 0.13
( 289 ± 41 )
Mjup
Mearth
Planetary radius 1.443 ± 0.053
( 16.17 ± 0.59 )
Rjup
Rearth
Planetary surface gravity 10.0 ± 1.5
3.00 ± 0.06
m/s2
log(cgs)
Planetary mean density 0.303 ± 0.048
( 0.402 ± 0.064 )
ρjup
g cm-3
Planetary equilibrium temperature 1685 ± 40 K
Reference of detailed study arXiv:1410.3449  

 

WASP-109 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

WASP-109 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)