TEPCat: WASP-52


 

This page summarises the information held within TEPCat for the transiting planetary system WASP-52. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2013A+A...549A.134H  
Date of discovery paper 2012 / 11 / 6 y / m / d
Right ascension 23 13 58.76 h m s
Declination +08 45 40.6 d m s
V-band apparent magnitude 12.20 mag
K-band apparent magnitude 10.09 mag
Transit duration 0.0754
( 1.810 )
day
hour
Transit depth 2.7 %
Time of mid-transit   2456862.79776 ± 0.00016     HJD or BJD
Orbital period 1.74978119 ± 0.00000052 days
Reference for orbital ephemeris   2017MNRAS.465..843M  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5000 ± 100 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.03 ± 0.12 dex
Stellar mass 0.804 ± 0.050   Msun
Stellar radius 0.786 ± 0.016 Rsun
Stellar logarithmic surface gravity 4.553 ± 0.010 c.g.s.
Stellar mean density 1.653 ± 0.020
( 2.332 ± 0.028 )
ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.02643 ± 0.00055  AU
Planetary mass 0.434 ± 0.024
( 137.96 ± 7.63 )
Mjup
Mearth
Planetary radius 1.253 ± 0.027
( 14.04 ± 0.30 )
Rjup
Rearth
Planetary surface gravity 6.85 ± 0.26
2.84 ± 0.02
m/s2
log(cgs)
Planetary mean density 0.206 ± 0.009
( 0.273 ± 0.012 )
ρjup
g cm-3
Planetary equilibrium temperature 1315 ± 26 K
Reference of detailed study 2017MNRAS.465..843M  

 

Entries in the catalogue of Rossiter-McLaughlin measurements:
 
Reference λ (degrees)
Hébrard et al. (2013)   24   + 17   - 9  
Mancini et al. (2016)   3.8   ±   8.4  

 

 

WASP-52 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)