TEPCat: WASP-117


 

This page summarises the information held within TEPCat for the transiting planetary system WASP-117. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2014A+A...568A..81L  
Date of discovery paper 2014 / 6 / 27 y / m / d
Right ascension 02 27 06.09 h m s
Declination −50 17 04.3 d m s
V-band apparent magnitude 10.15 mag
K-band apparent magnitude 8.78 mag
Transit duration 0.2475
( 5.940 )
day
hour
Transit depth 0.8 %
Time of mid-transit   2456533.82326 ± 0.00093     HJD or BJD
Orbital period 10.02165 ± 0.00055 days
Reference for orbital ephemeris   2014A+A...568A..81L  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6040 ± 90 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.11 ± 0.14 dex
Stellar mass 1.126 ± 0.029   Msun
Stellar radius 1.170 +0.067 −0.059 Rsun
Stellar logarithmic surface gravity 4.28 ± 0.16 c.g.s.
Stellar mean density 0.70 ± 0.10
( 0.99 ± 0.14 )
ρsun
g cm-3
Orbital eccentricity 0.302 ± 0.023  
Orbital semimajor axis   0.09459 +0.00084 −0.00079  AU
Planetary mass 0.2755 ± 0.0090
( 87.6 ± 2.9 )
Mjup
Mearth
Planetary radius 1.021 +0.076 −0.065
( 11.44 + 0.85 − 0.73 )
Rjup
Rearth
Planetary surface gravity 6.56 +0.87 −0.82
2.82 +0.05 −0.06
m/s2
log(cgs)
Planetary mean density 0.259 +0.054 −0.048
( 0.344 +0.072 −0.064 )
ρjup
g cm-3
Planetary equilibrium temperature 1024 +30 −26 K
Reference of detailed study 2014A+A...568A..81L  

 

Entries in the catalogue of Rossiter-McLaughlin measurements:
 
Reference λ (degrees)
Lendl et al. (2013)   44   ±   11  

 

 

WASP-117 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)