TEPCat: HD 23472c


 

This page summarises the information held within TEPCat for the transiting planetary system HD 23472c. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2022A+A...665A.154B  
Date of discovery paper 2022 / 9 / 28 y / m / d
Data/telescope used for discovery TESS  
Right ascension 02 18 35.85 h m s
Declination −62 46 02.2 d m s
Right ascension (decimal) 34.64937 degrees
Declination (decimal) -62.76728 degrees
V-band apparent magnitude 9.72 mag
K-band apparent magnitude 7.35 mag
Transit duration 0.123
( 2.95 )
day
hour
Transit depth 0.06 %
Time of mid-transit   2458370.1037 ± 0.0019     HJD or BJD
Orbital period 29.79749 ± 0.00014 days
Reference for orbital ephemeris   2022A+A...665A.154B  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 4684 ± 99 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.20 ± 0.05 dex
Stellar mass 0.67 ± 0.03   Msun
Stellar radius 0.71 ± 0.02 Rsun
Stellar logarithmic surface gravity 4.53 ± 0.08 c.g.s.
Stellar mean density 1.88 ± 0.18
( 2.65 ± 0.25 )
ρsun
g cm-3
Orbital eccentricity 0.056 +0.051 −0.039  
Orbital semimajor axis   0.1646 ± 0.0024  AU
Planetary mass 0.0107 +0.0028 −0.0025
( 3.40 +0.89 −0.79 )
Mjup
Mearth
Planetary radius 0.167 +0.011 −0.010
( 1.87 +0.12 −0.11 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 2.34 +0.75 −0.63
( 3.10 +0.99 −0.84 )
ρjup
g cm-3
Planetary equilibrium temperature 467 +19 −18 K
Reference of detailed study 2022A+A...665A.154B  

 

HD 23472c does not have an entry in the catalogue of orbital obliquity measurements.

 


Page generated on 2024/04/19           John Southworth   (Keele University, UK)