TEPCat: WASP-158


 

This page summarises the information held within TEPCat for the transiting planetary system WASP-158. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:1803.02224  
Date of discovery paper 2018 / 3 / 7 y / m / d
Right ascension 00 16 35.12 h m s
Declination −10 58 35.1 d m s
V-band apparent magnitude 12.05 mag
K-band apparent magnitude 10.88 mag
Transit duration 0.149
( 3.58 )
day
hour
Transit depth 0.6 %
Time of mid-transit   2457619.9195 ± 0.0010     HJD or BJD
Orbital period 3.656333 ± 0.000004 days
Reference for orbital ephemeris   arXiv:1803.02224  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6350 ± 150 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.24 ± 0.10 dex
Stellar mass 1.38 ± 0.14   Msun
Stellar radius 1.39 ± 0.18 Rsun
Stellar logarithmic surface gravity 4.30 +0.05 −0.11 c.g.s.
Stellar mean density 0.53 +0.08 −0.17
( 0.75 +0.11 −0.24 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.16 −0.0  
Orbital semimajor axis   0.0517 ± 0.0018  AU
Planetary mass 2.79 ± 0.23
( 886 ± 73 )
Mjup
Mearth
Planetary radius 1.07 ± 0.15
( 12.0 ± 1.7 )
Rjup
Rearth
Planetary surface gravity 56 +8 −15
3.75 +0.06 −0.14
m/s2
log(cgs)
Planetary mean density 2.3 +0.5 −0.9
( 3.05 +0.66 −1.19 )
ρjup
g cm-3
Planetary equilibrium temperature 1590 ± 80 K
Reference of detailed study arXiv:1803.02224  

 

WASP-158 does not have an entry in the catalogue of orbital obliquity measurements.

 

WASP-158 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2019/07/16           John Southworth   (Keele University, UK)