TEPCat: WASP-131


 

This page summarises the information held within TEPCat for the transiting planetary system WASP-131. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2017MNRAS.465.3693H  
Date of discovery paper 2016 / 4 / 15 y / m / d
Data/telescope used for discovery WASP  
Right ascension 14 00 46.44 h m s
Declination −30 35 00.8 d m s
Right ascension (decimal) 210.19350 degrees
Declination (decimal) -30.58356 degrees
V-band apparent magnitude 10.08 mag
K-band apparent magnitude 8.57 mag
Transit duration 0.1596
( 3.830 )
day
hour
Transit depth 0.6 %
Time of mid-transit   2458282.25880 ± 0.00019     HJD or BJD
Orbital period 5.3220125 ± 0.0000010 days
Reference for orbital ephemeris   2023MNRAS.522.4499D  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5990 ± 50 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.20 ± 0.07 dex
Stellar mass 1.06 ± 0.06   Msun
Stellar radius 1.68 ± 0.02 Rsun
Stellar logarithmic surface gravity 3.89 ± 0.08 c.g.s.
Stellar mean density 0.278 ± 0.016
( 0.392 ± 0.023 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.10 −0.0  
Orbital semimajor axis   0.0608 ± 0.0013  AU
Planetary mass 0.273 ± 0.019
( 86.8 ± 6.0 )
Mjup
Mearth
Planetary radius 1.264 ± 0.037
( 14.17 ± 0.41 )
Rjup
Rearth
Planetary surface gravity 4.16 ± 0.30
2.62 ± 0.03
m/s2
log(cgs)
Planetary mean density 0.148 ± 0.013
( 0.196 ± 0.017 )
ρjup
g cm-3
Planetary equilibrium temperature 1450 ± 36 K
Reference of detailed study 2023MNRAS.522.4499D  

 

Entries in the catalogue of orbital obliquity measurements:
 
Reference λ (degrees)
Doyle et al. (2023)   162.4   + 1.3   - 1.2  
Zak et al. (2024)   161   ±   5  

 

 


Page generated on 2024/06/14           John Southworth   (Keele University, UK)