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
Data/telescope used for discovery WASP  
Right ascension 23 13 58.76 h m s
Declination +08 45 40.6 d m s
Right ascension (decimal) 348.49483 degrees
Declination (decimal) 8.76128 degrees
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   2457669.44736 ± 0.00021     HJD or BJD
Orbital period 1.74978145 ± 0.00000042 days
Reference for orbital ephemeris   2022MNRAS.509.5102S  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5130 +37 −56 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 0.467 +0.028 −0.021
( 148.45 +8.90 −6.68 ) 		Mjup
Mearth
Planetary radius 1.300 +0.030 −0.019
( 14.57 + 0.34 − 0.21 ) 		Rjup
Rearth
Planetary surface gravity 6.85 +0.24 −0.25
2.84 +0.01 −0.02		 m/s2
log(cgs)
Planetary mean density 0.212 +0.008 −0.009
( 0.281 +0.011 −0.012 ) 		ρjup
g cm-3
Planetary equilibrium temperature 1349 +9 −14 K
Reference of detailed study 2026MNRAS.545S2063M  

 

Entries in the catalogue of orbital obliquity measurements:
 
Reference λ (degrees)
Hébrard et al. (2013)   24   + 17   - 9  
Mancini et al. (2017)   3.8   ±   8.4  
Chen et al. (2020)   1.1   ±   1.1  
Cegla et al. (2023)   0.60   + 0.93   - 0.94  

 

 

Page generated on 2026/01/29           John Southworth   (Keele University, UK)