TEPCat: WASP-193


 

This page summarises the information held within TEPCat for the transiting planetary system WASP-193. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2024NatAs...8..909B  
Date of discovery paper 2023 / 7 / 18 y / m / d
Data/telescope used for discovery WASP  
Right ascension 10 57 23.85 h m s
Declination −29 59 49.7 d m s
Right ascension (decimal) 164.34937 degrees
Declination (decimal) -29.99714 degrees
V-band apparent magnitude 12.19 mag
K-band apparent magnitude 10.75 mag
Transit duration 0.17733
( 4.2559 )
day
hour
Transit depth 1.3 %
Time of mid-transit   2457781.66567 ± 0.00056     HJD or BJD
Orbital period 6.2463345 ± 0.0000003 days
Reference for orbital ephemeris   2024NatAs...8..909B  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6080 ± 130 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.108 +0.055 −0.056 dex
Stellar mass 1.018 +0.064 −0.062   Msun
Stellar radius 1.213 +0.050 −0.042 Rsun
Stellar logarithmic surface gravity 4.280 +0.042 −0.050 c.g.s.
Stellar mean density 0.57 ± 0.08
( 0.80 ± 0.11 )
ρsun
g cm-3
Orbital eccentricity 0.081 +0.076 −0.055  
Orbital semimajor axis   0.0668 ± 0.0014  AU
Planetary mass 0.112 +0.029 −0.034
( 35.6 +9.2 −10.8 )
Mjup
Mearth
Planetary radius 1.319 +0.058 −0.046
( 14.78 + 0.65 − 0.52 )
Rjup
Rearth
Planetary surface gravity 1.58 +0.46 −0.49
2.2 +0.1 −0.2
m/s2
log(cgs)
Planetary mean density 0.045 ± 0.014
( 0.060 ± 0.019 )
ρjup
g cm-3
Planetary equilibrium temperature 1250 +21 −22 K
Reference of detailed study 2025AJ....169..225Y  

 

Entries in the catalogue of orbital obliquity measurements:
 
Reference λ (degrees)
Yee et al. (2025)   17   + 17   - 16  

 

 


Page generated on 2025/08/27           John Southworth   (Keele University, UK)