TEPCat: CoRoT-2


 

This page summarises the information held within TEPCat for the transiting planetary system CoRoT-2. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2008A+A...482L..21A  
Date of discovery paper 2008 / 3 / 21 y / m / d
Data/telescope used for discovery CoRoT  
Right ascension 19 27 06.50 h m s
Declination +01 23 01.4 d m s
Right ascension (decimal) 291.77708 degrees
Declination (decimal) 1.38372 degrees
V-band apparent magnitude 12.57 mag
K-band apparent magnitude 10.31 mag
Transit duration 0.09446
( 2.2670 )
day
hour
Transit depth 3.2 %
Time of mid-transit   2455628.44758 ± 0.00014     HJD or BJD
Orbital period 1.74299673 ± 0.00000031 days
Reference for orbital ephemeris   2015MNRAS.450.3101B  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5598 ± 50 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.04 ± 0.05 dex
Stellar mass 0.997 ± 0.049   Msun
Stellar radius 0.901 ± 0.019 Rsun
Stellar logarithmic surface gravity 4.527 ± 0.017 c.g.s.
Stellar mean density 1.362 ± 0.064
( 1.922 ± 0.090 )
ρsun
g cm-3
Orbital eccentricity 0.0143 ± 0.0077  
Orbital semimajor axis   0.02835 ± 0.00047  AU
Planetary mass 3.57 ± 0.15
( 1134 ± 47 )
Mjup
Mearth
Planetary radius 1.460 ± 0.031
( 16.37 ± 0.35 )
Rjup
Rearth
Planetary surface gravity 41.5 ± 1.7
3.62 ± 0.02
m/s2
log(cgs)
Planetary mean density 1.073 ± 0.058
( 1.423 ± 0.077 )
ρjup
g cm-3
Planetary equilibrium temperature 1521 ± 18 K
Reference of detailed study 2012MNRAS.426.1291S  

 

Entries in the catalogue of orbital obliquity measurements:
 
Reference λ (degrees)
Bouchy et al. (2008)   7.2   ±   4.5  
Nutzmann et al. (2011)   4.7   ±   12.3  
Czesla et al. (2012)   −1.0   + 6.0   - 7.7  
Gillon et al. (2010)   4.0   + 5.9   - 6.1  

 

 


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