TEPCat: CoRoT-8


 

This page summarises the information held within TEPCat for the transiting planetary system CoRoT-8. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2010A+A...520A..66B  
Date of discovery paper 2010 / 8 / 2 y / m / d
Data/telescope used for discovery CoRoT  
Right ascension 19 26 21.24 h m s
Declination +01 25 35.2 d m s
Right ascension (decimal) 291.58850 degrees
Declination (decimal) 1.42644 degrees
V-band apparent magnitude 14.76 mag
K-band apparent magnitude 11.46 mag
Transit duration 0.114
( 2.74 )
day
hour
Transit depth 0.7 %
Time of mid-transit   2454239.03317 ± 0.00049     HJD or BJD
Orbital period 6.212445 ± 0.000007 days
Reference for orbital ephemeris   2019MNRAS.483..824R  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5080 ± 80 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.31 ± 0.05 dex
Stellar mass 0.89 ± 0.04   Msun
Stellar radius 0.802 ± 0.014 Rsun
Stellar logarithmic surface gravity 4.58 ± 0.01 c.g.s.
Stellar mean density 1.73 ± 0.26
( 2.44 ± 0.37 )
ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.0636 ± 0.0014  AU
Planetary mass 0.218 ± 0.034
( 69 ± 10 )
Mjup
Mearth
Planetary radius 0.619 +0.016 −0.017
( 6.94 +0.18 −0.19 )
Rjup
Rearth
Planetary surface gravity 14.1 +2.5 −2.1
3.15 +0.07 −0.07
m/s2
log(cgs)
Planetary mean density 0.86 ± 0.15
( 1.14 ± 0.20 )
ρjup
g cm-3
Planetary equilibrium temperature 870 ± 14 K
Reference of detailed study 2019MNRAS.483..824R  

 

CoRoT-8 does not have an entry in the catalogue of orbital obliquity measurements.

 


Page generated on 2024/05/08           John Southworth   (Keele University, UK)