TEPCat: TOI-406b


 

This page summarises the information held within TEPCat for the transiting planetary system TOI-406b. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2024A+A...692A.238L  
Date of discovery paper 2024 / 9 / 18 y / m / d
Data/telescope used for discovery TESS  
Right ascension 03 17 02.98 h m s
Declination −42 14 32.5 d m s
Right ascension (decimal) 49.26242 degrees
Declination (decimal) -42.24236 degrees
V-band apparent magnitude 13.77 mag
K-band apparent magnitude 8.85 mag
Transit duration 0.0437
( 1.049 )
day
hour
Transit depth 0.1 %
Time of mid-transit   2458385.388 ± 0.002     HJD or BJD
Orbital period 3.307441 ± 0.000009 days
Reference for orbital ephemeris   2024A+A...692A.238L  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 3392 ± 44 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.02 ± 0.04 dex
Stellar mass 0.408 +0.046 −0.042   Msun
Stellar radius 0.410 +0.029 −0.027 Rsun
Stellar logarithmic surface gravity 4.69 ± 0.04 c.g.s.
Stellar mean density 5.1 +1.0 −1.1
( 7.2 +1.4 −1.6 )
ρsun
g cm-3
Orbital eccentricity 0.032 +0.037 −0.023  
Orbital semimajor axis   0.0322 ± 0.0013  AU
Planetary mass 0.0065 ± 0.0007
( 2.07 ± 0.22 )
Mjup
Mearth
Planetary radius 0.118 ± 0.011
( 1.32 ± 0.12 )
Rjup
Rearth
Planetary surface gravity 11.6 ± 1.4
3.06 ± 0.05
m/s2
log(cgs)
Planetary mean density 3.7 ± 1.1
( 4.9 ± 1.5 )
ρjup
g cm-3
Planetary equilibrium temperature 584 ± 22 K
Reference of detailed study 2024A+A...692A.238L  

 

TOI-406b does not have an entry in the catalogue of orbital obliquity measurements.

 


Page generated on 2025/03/24           John Southworth   (Keele University, UK)