TEPCat: TOI-451c


 

This page summarises the information held within TEPCat for the transiting planetary system TOI-451c. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2021AJ....161...65N  
Date of discovery paper 2021 / 2 / 12 y / m / d
Data/telescope used for discovery TESS  
Right ascension 04 11 51.95 h m s
Declination −37 56 23.2 d m s
Right ascension (decimal) 62.96646 degrees
Declination (decimal) -37.93978 degrees
V-band apparent magnitude 11.02 mag
K-band apparent magnitude 9.19 mag
Transit duration 0.137
( 3.29 )
day
hour
Transit depth 0.10 %
Time of mid-transit   2460314.6376 ± 0.0025     HJD or BJD
Orbital period 9.192463 ± 0.000017 days
Reference for orbital ephemeris   arXiv:2601.09438  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5490 ± 115 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.02 ± 0.06 dex
Stellar mass 0.93 ± 0.04   Msun
Stellar radius 0.85 ± 0.03 Rsun
Stellar logarithmic surface gravity 4.53 ± 0.22 c.g.s.
Stellar mean density 1.52 ± 0.18
( 2.14 ± 0.25 )
ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.0795 ± 0.0050  AU
Planetary mass 0.012 +0.010 −0.008
( 3.8 +3.2 −2.5 )
Mjup
Mearth
Planetary radius 0.261 ± 0.014
( 2.93 ± 0.16 )
Rjup
Rearth
Planetary surface gravity 0.43 +0.37 −0.28
1.6 +0.3 −0.5
m/s2
log(cgs)
Planetary mean density 0.6 +0.5 −0.4
( 0.80 +0.66 −0.53 )
ρjup
g cm-3
Planetary equilibrium temperature 865 +27 −24 K
Reference of detailed study arXiv:2601.09438  

 

TOI-451c does not have an entry in the catalogue of orbital obliquity measurements.

 


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