TEPCat: WASP-54


 

This page summarises the information held within TEPCat for the transiting planetary system WASP-54. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2013A+A...551A..73F  
Date of discovery paper 2012 / 10 / 9 y / m / d
Right ascension 13 41 49.02 h m s
Declination −00 07 41.0 d m s
V-band apparent magnitude 10.42 mag
K-band apparent magnitude 9.04 mag
Transit duration 0.1863
( 4.471 )
day
hour
Transit depth 1.1 %
Time of mid-transit   2455518.35087 ± 0.00053     HJD or BJD
Orbital period 3.6936411 ± 0.0000059 days
Reference for orbital ephemeris   2013A+A...551A..73F  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6296 ± 40 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.00 ± 0.04 dex
Stellar mass 1.213 ± 0.032   Msun
Stellar radius 1.828 +0.091 −0.081 Rsun
Stellar logarithmic surface gravity 3.997 +0.032 −0.035 c.g.s.
Stellar mean density 0.198 +0.025 −0.024
( 0.279 +0.035 −0.034 )
ρsun
g cm-3
Orbital eccentricity 0.067 +0.033 −0.025  
Orbital semimajor axis   0.04987 ± 0.00044  AU
Planetary mass 0.636 +0.025 −0.024
( 202.18 +7.95 −7.63 )
Mjup
Mearth
Planetary radius 1.653 +0.090 −0.083
( 18.53 + 1.01 − 0.93 )
Rjup
Rearth
Planetary surface gravity 5.32 ± 0.52
2.73 ± 0.04
m/s2
log(cgs)
Planetary mean density 0.141 +0.022 −0.019
( 0.187 +0.029 −0.025 )
ρjup
g cm-3
Planetary equilibrium temperature 1759 ± 46 K
Reference of detailed study 2013A+A...551A..73F  

 

WASP-54 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

WASP-54 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)