TEPCat: TOI-558


 

This page summarises the information held within TEPCat for the transiting planetary system TOI-558. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:2102.02222  
Date of discovery paper 2021 / 2 / 5 y / m / d
Right ascension 02 49 09.96 h m s
Declination −58 01 28.9 d m s
V-band apparent magnitude 11.31 mag
K-band apparent magnitude 10.26 mag
Transit duration 0.1127
( 2.705 )
day
hour
Transit depth 0.56 %
Time of mid-transit   2458871.07253 ± 0.00053     HJD or BJD
Orbital period 14.574071 ± 0.000026 days
Reference for orbital ephemeris   arXiv:2102.02222  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6466 +95 −93 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.004 +0.059 −0.055 dex
Stellar mass 1.349 +0.064 −0.065   Msun
Stellar radius 1.496 +0.042 −0.040 Rsun
Stellar logarithmic surface gravity 4.218 +0.030 −0.031 c.g.s.
Stellar mean density 0.403 +0.038 −0.036
( 0.569 +0.054 −0.051 )
ρsun
g cm-3
Orbital eccentricity 0.298 +0.022 −0.020  
Orbital semimajor axis   0.1291 +0.0020 −0.0021  AU
Planetary mass 3.61 ± 0.15
( 1147 ± 47 )
Mjup
Mearth
Planetary radius 1.086 +0.041 −0.038
( 12.17 + 0.46 − 0.43 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 2.64 +0.32 −0.31
( 3.50 +0.42 −0.41 )
ρjup
g cm-3
Planetary equilibrium temperature 1061 +13 −12 K
Reference of detailed study arXiv:2102.02222  

 

TOI-558 does not have an entry in the catalogue of orbital obliquity measurements.

 

TOI-558 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2021/12/02           John Southworth   (Keele University, UK)