TEPCat: WASP-53


 

This page summarises the information held within TEPCat for the transiting planetary system WASP-53. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2017MNRAS.467.1714T  
Date of discovery paper 2016 / 12 / 14 y / m / d
Right ascension 02 07 38.22 h m s
Declination −20 39 43.0 d m s
V-band apparent magnitude 12.19 mag
K-band apparent magnitude 10.39 mag
Transit duration 0.09469
( 2.2726 )
day
hour
Transit depth 1.6 %
Time of mid-transit   2455943.56695 ± 0.00012     HJD or BJD
Orbital period 3.3098443 ± 0.0000020 days
Reference for orbital ephemeris   2017MNRAS.467.1714T  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 4950 ± 60 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.22 ± 0.11 dex
Stellar mass 0.839 ± 0.054   Msun
Stellar radius 0.798 ± 0.023 Rsun
Stellar logarithmic surface gravity 4.553 +0.019 −0.020 c.g.s.
Stellar mean density 1.648 +0.091 −0.085
( 2.33 +0.13 −0.12 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.030 −0.0  
Orbital semimajor axis   0.04101 +0.00083 −0.00091  AU
Planetary mass 2.132 +0.092 −0.094
( 677 +29 −29 )
Mjup
Mearth
Planetary radius 1.074 ± 0.037
( 12.04 ± 0.41 )
Rjup
Rearth
Planetary surface gravity 47.8 +2.5 −2.4
3.68 +0.02 −0.02
m/s2
log(cgs)
Planetary mean density 1.72 +0.15 −0.13
( 2.28 +0.20 −0.17 )
ρjup
g cm-3
Planetary equilibrium temperature 1053 ± 16 K
Reference of detailed study 2017MNRAS.467.1714T  

 

Entries in the catalogue of Rossiter-McLaughlin measurements:
 
Reference λ (degrees)
Triaud et al. (2017)   −1   ±   12  

 

 

WASP-53 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)