TEPCat: TrES-1


 

This page summarises the information held within TEPCat for the transiting planetary system TrES-1. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2004ApJ...613L.153A  
Date of discovery paper 2004 / 8 / 6 y / m / d
Data/telescope used for discovery TrES  
Right ascension 19 04 09.84 h m s
Declination +36 37 57.5 d m s
Right ascension (decimal) 286.04100 degrees
Declination (decimal) 36.63264 degrees
V-band apparent magnitude 11.79 mag
K-band apparent magnitude 9.82 mag
Transit duration 0.104
( 2.50 )
day
hour
Transit depth 2.2 %
Time of mid-transit   2453898.874169 ± 0.000038     HJD or BJD
Orbital period 3.030069676 ± 0.000000042 days
Reference for orbital ephemeris   2022AJ....164..220H  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5226 ± 50 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.06 ± 0.05 dex
Stellar mass 0.892 ± 0.049   Msun
Stellar radius 0.818 ± 0.021 Rsun
Stellar logarithmic surface gravity 4.563 ± 0.020 c.g.s.
Stellar mean density 1.632 ± 0.092
( 2.30 ± 0.13 )
ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.03946 ± 0.00072  AU
Planetary mass 0.761 ± 0.051
( 241 ± 16 )
Mjup
Mearth
Planetary radius 1.099 ± 0.035
( 12.32 ± 0.39 )
Rjup
Rearth
Planetary surface gravity 15.6 ± 1.2
3.19 ± 0.03
m/s2
log(cgs)
Planetary mean density 0.57 ± 0.06
( 0.756 ± 0.080 )
ρjup
g cm-3
Planetary equilibrium temperature 1147 ± 15 K
Reference of detailed study 2010MNRAS.408.1689S  

 

Entries in the catalogue of orbital obliquity measurements:
 
Reference λ (degrees)
Narita et al. (2007)   30   ±   21  

 

 


Page generated on 2024/06/14           John Southworth   (Keele University, UK)