TEPCat: TOI-238c


 

This page summarises the information held within TEPCat for the transiting planetary system TOI-238c. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:2311.00688  
Date of discovery paper 2024 / 2 / 7 y / m / d
Data/telescope used for discovery TESS  
Right ascension 23 16 55.46 h m s
Declination −18 36 23.9 d m s
Right ascension (decimal) 349.23108 degrees
Declination (decimal) -18.60664 degrees
V-band apparent magnitude 10.75 mag
K-band apparent magnitude 8.60 mag
Transit duration 0.08
( 1.9 )
day
hour
Transit depth 0.07 %
Time of mid-transit   2460204.9675 ± 0.0050     HJD or BJD
Orbital period 8.465651 ± 0.000035 days
Reference for orbital ephemeris   arXiv:2402.04113  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5059 ± 89 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.114 ± 0.051 dex
Stellar mass 0.790 ± 0.022   Msun
Stellar radius 0.733 ± 0.015 Rsun
Stellar logarithmic surface gravity 4.577 ± 0.021 c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity 0.0 +0.36 −0.0  
Orbital semimajor axis   0.0749 ± 0.0013  AU
Planetary mass 0.0211 ± 0.0035
( 6.7 ± 1.1 )
Mjup
Mearth
Planetary radius 0.195 ± 0.016
( 2.19 ± 0.18 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 1.38 ± 0.50
( 1.83 ± 0.66 )
ρjup
g cm-3
Planetary equilibrium temperature 696 ± 15 K
Reference of detailed study arXiv:2402.04113  

 

TOI-238c does not have an entry in the catalogue of orbital obliquity measurements.

 


Page generated on 2024/03/28           John Southworth   (Keele University, UK)