TEPCat: TOI-201c


 

This page summarises the information held within TEPCat for the transiting brown dwarf system TOI-201c. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2025ApJ...988L..63M  
Date of discovery paper 2025 / 8 / 5 y / m / d
Data/telescope used for discovery TESS  
Right ascension 05 49 36.41 h m s
Declination −54 54 38.6 d m s
Right ascension (decimal) 87.40171 degrees
Declination (decimal) -54.91072 degrees
V-band apparent magnitude 9.72 mag
K-band apparent magnitude 7.85 mag
Transit duration 0.582
( 13.97 )
day
hour
Transit depth 0.4 %
Time of mid-transit   2460062.593 ± 0.019     HJD or BJD
Orbital period 2800 ± 285 days
Reference for orbital ephemeris   2025ApJ...988L..63M  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6394 ± 75 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.240 ± 0.036 dex
Stellar mass 1.316 ± 0.027   Msun
Stellar radius 1.339 +0.017 −0.011 Rsun
Stellar logarithmic surface gravity 4.318 ± 0.014 c.g.s.
Stellar mean density 0.57 ± 0.02
( 0.804 ± 0.028 )
ρsun
g cm-3
Orbital eccentricity 0.643 +0.009 −0.021  
Orbital semimajor axis   4.28 +0.36 −0.21  AU
Planetary mass 14.2 +1.0 −1.2
( 45140 +3179 −3815 )
Mjup
Mearth
Planetary radius 0.993 +0.017 −0.014
( 11.13 + 0.19 − 0.16 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 14.5 +0.8 −0.9
( 19.2 + 1.1 − 1.2 )
ρjup
g cm-3
Planetary equilibrium temperature K
Reference of detailed study 2025ApJ...988L..63M  

 

TOI-201c does not have an entry in the catalogue of orbital obliquity measurements.

 


Page generated on 2026/01/29           John Southworth   (Keele University, UK)