TEPCat: HD 118203


 

This page summarises the information held within TEPCat for the transiting planetary system HD 118203. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:1911.05150  
Date of discovery paper 2019 / 11 / 13 y / m / d
Right ascension 13 34 02.39 h m s
Declination +53 43 41.5 d m s
V-band apparent magnitude 8.14 mag
K-band apparent magnitude 6.54 mag
Transit duration 0.2352
( 5.645 )
day
hour
Transit depth 0.35 %
Time of mid-transit   2458724.93152 ± 0.00023     HJD or BJD
Orbital period 6.134980 ± 0.000038 days
Reference for orbital ephemeris   arXiv:1911.05150  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5692 ± 83 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.223 ± 0.073 dex
Stellar mass 1.257 +0.051 −0.056   Msun
Stellar radius 2.103 +0.055 −0.054 Rsun
Stellar logarithmic surface gravity 3.891 +0.019 −0.020 c.g.s.
Stellar mean density 0.135 ± 0.009
( 0.190 ± 0.013 )
ρsun
g cm-3
Orbital eccentricity 0.316 ± 0.021  
Orbital semimajor axis   0.0708 +0.0010 −0.0011  AU
Planetary mass 2.173 +0.077 −0.080
( 690 +24 −25 )
Mjup
Mearth
Planetary radius 1.133 +0.031 −0.030
( 12.70 + 0.35 − 0.34 )
Rjup
Rearth
Planetary surface gravity 41.9 +2.1 −2.0
3.62 +0.02 −0.02
m/s2
log(cgs)
Planetary mean density 1.39 ± 0.010
( 1.844 ± 0.013 )
ρjup
g cm-3
Planetary equilibrium temperature 1496 ± 26 K
Reference of detailed study arXiv:1911.05150  

 

HD 118203 does not have an entry in the catalogue of orbital obliquity measurements.

 

HD 118203 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2021/11/15           John Southworth   (Keele University, UK)