TEPCat: HD 207496


 

This page summarises the information held within TEPCat for the transiting planetary system HD 207496. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2023A+A...673A...4B  
Date of discovery paper 2023 / 3 / 8 y / m / d
Data/telescope used for discovery TESS  
Right ascension 13 41 47.74 h m s
Declination −77 20 19.8 d m s
Right ascension (decimal) 205.44892 degrees
Declination (decimal) -77.33883 degrees
V-band apparent magnitude 8.23 mag
K-band apparent magnitude 6.57 mag
Transit duration 0.0734
( 1.762 )
day
hour
Transit depth 0.07 %
Time of mid-transit   2458658.78978 ± 0.00050     HJD or BJD
Orbital period 6.441008 ± 0.000011 days
Reference for orbital ephemeris   2023A+A...673A...4B  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 4819 ± 94 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.095 ± 0.038 dex
Stellar mass 0.80 ± 0.04   Msun
Stellar radius 0.769 ± 0.026 Rsun
Stellar logarithmic surface gravity 4.51 ± 0.04 c.g.s.
Stellar mean density 1.77 ± 0.20
( 2.50 ± 0.28 )
ρsun
g cm-3
Orbital eccentricity 0.231 +0.042 −0.049  
Orbital semimajor axis   0.0629 ± 0.0011  AU
Planetary mass 0.019 ± 0.005
( 6.0 ± 1.6 )
Mjup
Mearth
Planetary radius 0.201 +0.011 −0.009
( 2.25 +0.12 −0.10 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 2.39 +0.73 −0.69
( 3.17 +0.97 −0.92 )
ρjup
g cm-3
Planetary equilibrium temperature 743 ± 26 K
Reference of detailed study 2023A+A...673A...4B  

 

HD 207496 does not have an entry in the catalogue of orbital obliquity measurements.

 


Page generated on 2024/05/08           John Southworth   (Keele University, UK)