TEPCat: TOI-238b


 

This page summarises the information held within TEPCat for the transiting planetary system TOI-238b. 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 2023 / 11 / 2 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 0.07
( 1.7 )
day
hour
Transit depth 0.03 %
Time of mid-transit   2460207.0240 ± 0.0033     HJD or BJD
Orbital period 1.2730991 ± 0.0000029 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 +0.18 −0.0  
Orbital semimajor axis   0.02118 ± 0.00038  AU
Planetary mass 0.0107 ± 0.0014
( 3.40 ± 0.45 )
Mjup
Mearth
Planetary radius 0.1251 ± 0.0077
( 1.402 ± 0.086 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 5.1 ± 1.2
( 6.8 ± 1.6 )
ρjup
g cm-3
Planetary equilibrium temperature 1311 ± 28 K
Reference of detailed study arXiv:2402.04113  

 

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

 


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