TEPCat: CoRoT-3


 

This page summarises the information held within TEPCat for the transiting brown dwarf system CoRoT-3. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2008A+A...491..889D  
Date of discovery paper 2008 / 10 / 6 y / m / d
Right ascension 19 28 13.27 h m s
Declination +00 07 18.6 d m s
V-band apparent magnitude 13.29 mag
K-band apparent magnitude 11.62 mag
Transit duration 0.153
( 3.67 )
day
hour
Transit depth 0.25 %
Time of mid-transit   2454283.13388 ± 0.00024     HJD or BJD
Orbital period 4.2567994 ± 0.0000035 days
Reference for orbital ephemeris   2009A+A...506..377T  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6558 ± 44 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.14 ± 0.04 dex
Stellar mass 1.403 ± 0.061   Msun
Stellar radius 1.575 ± 0.094 Rsun
Stellar logarithmic surface gravity 4.191 ± 0.046 c.g.s.
Stellar mean density 0.359 ± 0.058
( 0.507 ± 0.082 )
ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.05783 +0.00110 −0.00049  AU
Planetary mass 21.96 ± 0.703
( 69809 ± 2235 )
Mjup
Mearth
Planetary radius 1.037 ± 0.069
( 11.62 ± 0.77 )
Rjup
Rearth
Planetary surface gravity 506 ± 67
4.70 ± 0.05
m/s2
log(cgs)
Planetary mean density 18.4 ± 3.70
( 24.4 ± 4.9 )
ρjup
g cm-3
Planetary equilibrium temperature 1695 ± 57 K
Reference of detailed study 2011MNRAS.417.2166S  

 

Entries in the catalogue of Rossiter-McLaughlin measurements:
 
Reference λ (degrees)
Triaud et al. (2009)   −37.6   + 22.3   - 10.0  

 

 

CoRoT-3 has been examined as part of the Homogeneous Studies of Transiting Extrasolar Planets project. The details from this work have been given below. In most instances they are the same as the physical properties given above, but in some cases the Homogeneous Studies results given below have been superseded by newer analyses. Separate statistical and systematic errorbars are given where relevant.

Measured parameters Value Unit
Orbital velocity amplitude 2170 ± 27 m/s
Stellar effective temperature 6740 ± 140 K
Stellar metal abundance ([Fe/H] or [M/H])   -0.02 ± 0.06 dex
Orbital inclination 85.80 ± 0.77   degrees
Fractional stellar radius (R* / a) 0.1266 ± 0.0067  
Fractional planetary radius (Rpl / a)   0.00857 ± 0.00056   
Light curve analysis reference 2011MNRAS.417.2166S  
 
Derived parameters Value Unit
Stellar mass 1.403 ± 0.056 ± 0.026 Msun
Stellar radius 1.575 ± 0.094 ± 0.010 Rsun
Stellar logarithmic surface gravity 4.191 ± 0.046 ± 0.003 c.g.s.
Stellar mean density 0.359 ± 0.058 ρsun
Orbital semimajor axis   0.05783 +0.00078 −0.00035 +0.00078 −0.00035  AU
Planetary mass 21.96 ± 0.65 ± 0.27 Mjup
Planetary radius 1.037 ± 0.069 ± 0.006 Rjup
Planetary surface gravity 506 ± 67 m/s2
Planetary mean density 18.4 ± 3.7 ± 0.1 ρjup
Planetary equilibrium temperature 1695 ± 57 K
Safronov number 1.74 ± 0.12 ± 0.01  
Main analysis reference 2011MNRAS.417.2166S  

 


Page generated on 2017/12/15           John Southworth   (Keele University, UK)