TEPCat: CoRoT-20


 

This page summarises the information held within TEPCat for the transiting planetary system CoRoT-20. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2012A+A...538A.145D  
Date of discovery paper 2011 / 9 / 16 y / m / d
Data/telescope used for discovery CoRoT  
Right ascension 06 30 52.90 h m s
Declination +00 13 36.9 d m s
Right ascension (decimal) 97.72042 degrees
Declination (decimal) 0.22692 degrees
V-band apparent magnitude 14.66 mag
K-band apparent magnitude 12.51 mag
Transit duration 0.0927
( 2.225 )
day
hour
Transit depth 0.9 %
Time of mid-transit   2455266.0006 ± 0.0012     HJD or BJD
Orbital period 9.2431839 ± 0.0000072 days
Reference for orbital ephemeris   2021FrASS...8..210K  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5880 ± 90 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.14 ± 0.12 dex
Stellar mass 1.10 ± 0.10   Msun
Stellar radius 1.16 +0.15 −0.20 Rsun
Stellar logarithmic surface gravity 4.35 +0.11 −0.14 c.g.s.
Stellar mean density 0.71 +0.26 −0.35
( 1.00 +0.37 −0.49 )
ρsun
g cm-3
Orbital eccentricity 0.59 ± 0.02  
Orbital semimajor axis   0.0891 ± 0.0038  AU
Planetary mass 4.14 +0.36 −0.30
( 1316 +114 −95 )
Mjup
Mearth
Planetary radius 1.00 +0.18 −0.21
( 11.2 + 2.0 − 2.4 )
Rjup
Rearth
Planetary surface gravity 102 +42 −35
4.0 +0.1 −0.2
m/s2
log(cgs)
Planetary mean density 3.9 +2.1 −2.4
( 5.2 +2.8 −3.2 )
ρjup
g cm-3
Planetary equilibrium temperature 1024 ± 16 K
Reference of detailed study 2019MNRAS.483..824R  

 

CoRoT-20 does not have an entry in the catalogue of orbital obliquity measurements.

 


Page generated on 2024/04/19           John Southworth   (Keele University, UK)