TEPCat: TOI-122


 

This page summarises the information held within TEPCat for the transiting planetary system TOI-122. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:2010.15905  
Date of discovery paper 2020 / 11 / 2 y / m / d
Right ascension 22 11 47.30 h m s
Declination −58 56 42.3 d m s
V-band apparent magnitude 15.53 mag
K-band apparent magnitude 10.77 mag
Transit duration 0.05
( 1.2 )
day
hour
Transit depth 0.56 %
Time of mid-transit   2458425.60256 ± 0.00063     HJD or BJD
Orbital period 5.078030 ± 0.000015 days
Reference for orbital ephemeris   arXiv:2010.15905  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 3403 ± 100 K
Stellar metal abundance ([Fe/H] or [M/H])   dex
Stellar mass 0.312 ± 0.007   Msun
Stellar radius 0.334 ± 0.010 Rsun
Stellar logarithmic surface gravity 4.88 ± 0.05 c.g.s.
Stellar mean density 9.1 +6.7 −3.0
( 12.8 + 9.5 − 4.2 )
ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.0392 ± 0.0007  AU
Planetary mass 0.0 +6.7 −0.0
( 0 +2129 −0 )
Mjup
Mearth
Planetary radius 0.243 ± 0.016
( 2.72 ± 0.18 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density ρjup
g cm-3
Planetary equilibrium temperature 471 K
Reference of detailed study arXiv:2010.15905  

 

TOI-122 does not have an entry in the catalogue of orbital obliquity measurements.

 

TOI-122 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)