TEPCat: TOI-1238b


 

This page summarises the information held within TEPCat for the transiting planetary system TOI-1238b. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:2111.14602  
Date of discovery paper 2021 / 11 / 30 y / m / d
Data/telescope used for discovery TESS  
Right ascension 13 25 31.76 h m s
Declination +68 50 09.8 d m s
Right ascension (decimal) 201.38233 degrees
Declination (decimal) 68.83606 degrees
V-band apparent magnitude 12.80 mag
K-band apparent magnitude 9.18 mag
Transit duration 0.0467
( 1.121 )
day
hour
Transit depth 0.04 %
Time of mid-transit   2458684.1022 ± 0.0031     HJD or BJD
Orbital period 0.764596 ± 0.000015 days
Reference for orbital ephemeris   arXiv:2111.14602  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 4089 ± 54 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.31 ± 0.19 dex
Stellar mass 0.59 ± 0.02   Msun
Stellar radius 0.58 ± 0.02 Rsun
Stellar logarithmic surface gravity 4.63 ± 0.06 c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity 0.0 +0.25 −0.0  
Orbital semimajor axis   0.0139 ± 0.0008  AU
Planetary mass 0.0118 +0.0036 −0.0034
( 3.8 +1.1 −1.1 )
Mjup
Mearth
Planetary radius 0.108 +0.009 −0.010
( 1.21 +0.10 −0.11 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 8.8 +3.2 −2.6
( 11.7 + 4.2 − 3.4 )
ρjup
g cm-3
Planetary equilibrium temperature K
Reference of detailed study arXiv:2111.14602  

 

TOI-1238b does not have an entry in the catalogue of orbital obliquity measurements.

 

TOI-1238b has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2022/12/07           John Southworth   (Keele University, UK)