TEPCat: HD 86226c


 

This page summarises the information held within TEPCat for the transiting planetary system HD 86226c. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:2007.13927  
Date of discovery paper 2020 / 7 / 29 y / m / d
Right ascension 09 56 29.84 h m s
Declination −24 05 57.8 d m s
V-band apparent magnitude 8.00 mag
K-band apparent magnitude 6.46 mag
Transit duration 0.130
( 3.12 )
day
hour
Transit depth 0.04 %
Time of mid-transit   2458543.2539 ± 0.0007     HJD or BJD
Orbital period 3.98442 ± 0.00018 days
Reference for orbital ephemeris   arXiv:2007.13927  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5863 ± 88 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.018 +0.057 −0.043 dex
Stellar mass 1.019 +0.061 −0.066   Msun
Stellar radius 1.053 ± 0.026 Rsun
Stellar logarithmic surface gravity 4.400 +0.029 −0.032 c.g.s.
Stellar mean density 0.869 +0.065 −0.064
( 1.226 +0.092 −0.090 )
ρsun
g cm-3
Orbital eccentricity 0.075 +0.065 −0.048  
Orbital semimajor axis   0.049 ± 0.001  AU
Planetary mass 0.0228 +0.0037 −0.0035
( 7.2 +1.2 −1.1 )
Mjup
Mearth
Planetary radius 0.193 ± 0.007
( 2.163 ± 0.078 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 2.99 +0.59 −0.55
( 3.97 +0.78 −0.73 )
ρjup
g cm-3
Planetary equilibrium temperature 1311 ± 28 K
Reference of detailed study arXiv:2007.13927  

 

HD 86226c does not have an entry in the catalogue of orbital obliquity measurements.

 

HD 86226c has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2021/01/04           John Southworth   (Keele University, UK)