TEPCat: WASP-14


 

This page summarises the information held within TEPCat for the transiting planetary system WASP-14. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2009MNRAS.392.1532J  
Date of discovery paper 2008 / 9 / 10 y / m / d
Right ascension 14 33 06.35 h m s
Declination +21 53 41.0 d m s
V-band apparent magnitude 9.75 mag
K-band apparent magnitude 8.62 mag
Transit duration 0.1275
( 3.060 )
day
hour
Transit depth 1.2 %
Time of mid-transit   2456034.21261 ± 0.00015     HJD or BJD
Orbital period 2.24376524 ± 0.00000044 days
Reference for orbital ephemeris   2015ApJ...811..122W  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6462 ± 75 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.00 ± 0.04 dex
Stellar mass 1.300 ± 0.060   Msun
Stellar radius 1.318 +0.095 −0.073 Rsun
Stellar logarithmic surface gravity 4.312 +0.061 −0.047 c.g.s.
Stellar mean density 0.57 +0.12 −0.09
( 0.80 +0.17 −0.13 )
ρsun
g cm-3
Orbital eccentricity 0.0823 +0.0033 −0.0032  
Orbital semimajor axis   0.037 ± 0.001  AU
Planetary mass 7.59 +0.24 −0.23
( 2412 +76 −73 )
Mjup
Mearth
Planetary radius 1.24 +0.12 −0.10
( 13.9 + 1.3 − 1.1 )
Rjup
Rearth
Planetary surface gravity 123 +25 −19
4.09 +0.08 −0.07
m/s2
log(cgs)
Planetary mean density 3.73 +1.05 −0.93
( 4.9 +1.4 −1.2 )
ρjup
g cm-3
Planetary equilibrium temperature 1872 ± 29 K
Reference of detailed study 2015MNRAS.451.4139R  

 

Entries in the catalogue of Rossiter-McLaughlin measurements:
 
Reference λ (degrees)
Joshi et al. (2009)   −14   + 21   - 13  
Johnson et al. (2009)   −33.1   ±   7.4  

 

 

WASP-14 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


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