TEPCat: TrES-3


 

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

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2007ApJ...663L..37O  
Date of discovery paper 2007 / 4 / 27 y / m / d
Right ascension 17 52 07.03 h m s
Declination +37 32 46.1 d m s
V-band apparent magnitude 12.5 mag
K-band apparent magnitude 10.61 mag
Transit duration 0.05492
( 1.3181 )
day
hour
Transit depth 2.7 %
Time of mid-transit   2454185.910993 ± 0.000050     HJD or BJD
Orbital period 1.306186483 ± 0.00000070 days
Reference for orbital ephemeris   2013ApJ...764....8K  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5650 ± 75 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.19 ± 0.08 dex
Stellar mass 0.921 ± 0.019   Msun
Stellar radius 0.8235 ± 0.011 Rsun
Stellar logarithmic surface gravity 4.571 ± 0.007 c.g.s.
Stellar mean density 1.648 ± 0.041
( 2.325 ± 0.058 )
ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.02276 ± 0.00016  AU
Planetary mass 1.899 ± 0.062
( 603 ± 19 )
Mjup
Mearth
Planetary radius 1.310 ± 0.019
( 14.68 ± 0.21 )
Rjup
Rearth
Planetary surface gravity 27.4 ± 1.1
3.44 ± 0.02
m/s2
log(cgs)
Planetary mean density 0.790 ± 0.040
( 1.048 ± 0.053 )
ρjup
g cm-3
Planetary equilibrium temperature 1638 ± 22 K
Reference of detailed study 2011MNRAS.417.2166S  

 

TrES-3 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

TrES-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same as the physical properties given above, but in some cases the Homogeneous Studies results given below have been superseded by newer analyses.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 369 ± 11 m/s
Stellar effective temperature 5650 ± 75 K
Stellar metal abundance ([Fe/H] or [M/H])   -0.19 ± 0.08 dex
Orbital inclination 81.93 ± 0.13   degrees
Fractional stellar radius (R* / a) 0.1682 ± 0.0014  
Fractional planetary radius (Rpl / a)   0.02750 ± 0.00035   
Light curve analysis reference 2011MNRAS.417.2166S  
 
Derived parameters Value Unit
Stellar mass 0.921 ± 0.014 ± 0.014 Msun
Stellar radius 0.824 ± 0.010 ± 0.004 Rsun
Stellar logarithmic surface gravity 4.571 ± 0.006 ± 0.002 c.g.s.
Stellar mean density 1.648 ± 0.041 ρsun
Orbital semimajor axis   0.02276 ± 0.00012 ± 0.00011  AU
Planetary mass 1.899 ± 0.060 ± 0.019 Mjup
Planetary radius 1.310 ± 0.019 ± 0.006 Rjup
Planetary surface gravity 27.4 ± 1.1 m/s2
Planetary mean density 0.790 ± 0.040 ± 0.004 ρjup
Planetary equilibrium temperature 1638 ± 22 K
Safronov number 0.0716 ± 0.0024 ± 0.0004  
Main analysis reference 2011MNRAS.417.2166S  

 


Page generated on 2017/12/11           John Southworth   (Keele University, UK)