TEPCat: HD 28109d


 

This page summarises the information held within TEPCat for the transiting planetary system HD 28109d. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:2205.09046  
Date of discovery paper 2022 / 5 / 19 y / m / d
Data/telescope used for discovery TESS  
Right ascension 04 20 57.13 h m s
Declination −68 06 09.5 d m s
Right ascension (decimal) 65.23804 degrees
Declination (decimal) -68.10264 degrees
V-band apparent magnitude 9.38 mag
K-band apparent magnitude 8.81 mag
Transit duration 0.403
( 9.67 )
day
hour
Transit depth 0.05 %
Time of mid-transit   2458355.6732 ± 0.0043     HJD or BJD
Orbital period 84.2600 ± 0.0070 days
Reference for orbital ephemeris   arXiv:2205.09046  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6120 ± 50 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.0 ± 0.1 dex
Stellar mass 1.446 ± 0.035   Msun
Stellar radius 1.26 ± 0.08 Rsun
Stellar logarithmic surface gravity 4.13 ± 0.10 c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity 0.0 +0.086 −0.0  
Orbital semimajor axis   0.411 ± 0.016  AU
Planetary mass 0.018 +0.009 −0.007
( 5.7 +2.9 −2.2 )
Mjup
Mearth
Planetary radius 0.290 ± 0.010
( 3.25 ± 0.11 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density ρjup
g cm-3
Planetary equilibrium temperature 507 ± 8 K
Reference of detailed study arXiv:2205.09046  

 

HD 28109d does not have an entry in the catalogue of orbital obliquity measurements.

 

HD 28109d has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2022/12/06           John Southworth   (Keele University, UK)