TEPCat: TOI-1231


 

This page summarises the information held within TEPCat for the transiting planetary system TOI-1231. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:2105.08077  
Date of discovery paper 2021 / 5 / 19 y / m / d
Right ascension 10 26 59.34 h m s
Declination −52 28 04.2 d m s
V-band apparent magnitude 12.32 mag
K-band apparent magnitude 8.07 mag
Transit duration 0.1350
( 3.240 )
day
hour
Transit depth 0.5 %
Time of mid-transit   2458563.88838 ± 0.00058     HJD or BJD
Orbital period 24.245586 ± 0.000065 days
Reference for orbital ephemeris   arXiv:2105.08077  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 3562 ± 101 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.05 ± 0.08 dex
Stellar mass 0.485 ± 0.024   Msun
Stellar radius 0.476 +0.015 −0.014 Rsun
Stellar logarithmic surface gravity 4.767 +0.033 −0.035 c.g.s.
Stellar mean density 4.47 +0.48 −0.45
( 6.31 +0.68 −0.63 )
ρsun
g cm-3
Orbital eccentricity 0.087 +0.12 −0.061  
Orbital semimajor axis   0.1288 +0.0021 −0.0022  AU
Planetary mass 0.048 ± 0.010
( 15.3 ± 3.2 )
Mjup
Mearth
Planetary radius 0.326 +0.014 −0.013
( 3.65 +0.16 −0.15 )
Rjup
Rearth
Planetary surface gravity 11.3 +2.7 −2.5
3.05 +0.09 −0.11
m/s2
log(cgs)
Planetary mean density 1.31 +0.35 −0.32
( 1.74 +0.46 −0.42 )
ρjup
g cm-3
Planetary equilibrium temperature 330 ± 4 K
Reference of detailed study arXiv:2105.08077  

 

TOI-1231 does not have an entry in the catalogue of orbital obliquity measurements.

 

TOI-1231 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)