TEPCat: WASP-108


 

This page summarises the information held within TEPCat for the transiting planetary system WASP-108. 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 13 03 18.73 h m s
Declination −49 38 22.8 d m s
V-band apparent magnitude 11.22 mag
K-band apparent magnitude 9.80 mag
Transit duration 0.13216
( 3.1718 )
day
hour
Transit depth 0.8 %
Time of mid-transit   2456413.79019 ± 0.00025     HJD or BJD
Orbital period 2.6755463 ± 0.0000021 days
Reference for orbital ephemeris   arXiv:1410.3449  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6000 ± 140 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.05 ± 0.11 dex
Stellar mass 1.167 ± 0.092   Msun
Stellar radius 1.215 ± 0.040 Rsun
Stellar logarithmic surface gravity 4.336 ± 0.018 c.g.s.
Stellar mean density 0.655 ± 0.034
( 0.924 ± 0.048 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.075 −0.0  
Orbital semimajor axis   0.0397 ± 0.0010  AU
Planetary mass 0.892 ± 0.055
( 283 ± 17 )
Mjup
Mearth
Planetary radius 1.284 ± 0.047
( 14.39 ± 0.53 )
Rjup
Rearth
Planetary surface gravity 12.39 ± 0.66
3.09 ± 0.02
m/s2
log(cgs)
Planetary mean density 0.422 ± 0.033
( 0.560 ± 0.044 )
ρjup
g cm-3
Planetary equilibrium temperature 1590 ± 36 K
Reference of detailed study arXiv:1410.3449  

 

WASP-108 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

WASP-108 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)