TEPCat: HD 20329


 

This page summarises the information held within TEPCat for the transiting planetary system HD 20329. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2022A+A...668A.158M  
Date of discovery paper 2022 / 11 / 7 y / m / d
Data/telescope used for discovery TESS  
Right ascension 03 16 42.63 h m s
Declination +15 39 26.0 d m s
Right ascension (decimal) 49.17762 degrees
Declination (decimal) 15.65722 degrees
V-band apparent magnitude 8.74 mag
K-band apparent magnitude 7.12 mag
Transit duration 0.0526
( 1.262 )
day
hour
Transit depth 0.02 %
Time of mid-transit   2459472.14321 ± 0.00079     HJD or BJD
Orbital period 0.926118 ± 0.00047 days
Reference for orbital ephemeris   2022A+A...668A.158M  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5596 ± 50 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.07 +0.06 −0.0 dex
Stellar mass 0.90 ± 0.05   Msun
Stellar radius 1.13 ± 0.02 Rsun
Stellar logarithmic surface gravity 4.40 ± 0.07 c.g.s.
Stellar mean density 0.62 ± 0.05
( 0.875 ± 0.071 )
ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.0180 ± 0.0003  AU
Planetary mass 0.0233 ± 0.0034
( 7.4 ± 1.1 )
Mjup
Mearth
Planetary radius 0.153 ± 0.006
( 1.715 ± 0.067 )
Rjup
Rearth
Planetary surface gravity 24.7 ± 4.1
3.39 ± 0.07
m/s2
log(cgs)
Planetary mean density 6.1 ± 1.2
( 8.1 ± 1.6 )
ρjup
g cm-3
Planetary equilibrium temperature 2141 ± 17 K
Reference of detailed study 2022A+A...668A.158M  

 

HD 20329 does not have an entry in the catalogue of orbital obliquity measurements.

 


Page generated on 2024/03/28           John Southworth   (Keele University, UK)