TEPCat: HD 108236e


 

This page summarises the information held within TEPCat for the transiting planetary system HD 108236e. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:2004.11314  
Date of discovery paper 2020 / 4 / 24 y / m / d
Data/telescope used for discovery TESS  
Right ascension 12 26 17.89 h m s
Declination −51 21 46.2 d m s
Right ascension (decimal) 186.57454 degrees
Declination (decimal) -51.36283 degrees
V-band apparent magnitude 9.24 mag
K-band apparent magnitude 7.64 mag
Transit duration 0.1672
( 4.013 )
day
hour
Transit depth 0.12 %
Time of mid-transit   2458586.56741 ± 0.00055     HJD or BJD
Orbital period 19.5901277 ± 0.000030 days
Reference for orbital ephemeris   arXiv:2210.08912  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5660 ± 61 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.28 ± 0.04 dex
Stellar mass 0.867 +0.047 −0.046   Msun
Stellar radius 0.876 ± 0.007 Rsun
Stellar logarithmic surface gravity 4.49 ± 0.11 c.g.s.
Stellar mean density 1.79 ± 0.11
( 2.53 ± 0.16 )
ρsun
g cm-3
Orbital eccentricity 0.073 +0.014 −0.017  
Orbital semimajor axis   0.1348 ± 0.0012  AU
Planetary mass Mjup
Mearth
Planetary radius 0.2684 ± 0.0029
( 3.008 ± 0.033 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density ρjup
g cm-3
Planetary equilibrium temperature 696 ± 8 K
Reference of detailed study arXiv:2210.08912  

 

HD 108236e does not have an entry in the catalogue of orbital obliquity measurements.

 

HD 108236e has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2022/12/01           John Southworth   (Keele University, UK)