TEPCat: WTS-2


 

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

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2014MNRAS.440.1470B  
Date of discovery paper 2014 / 2 / 25 y / m / d
Right ascension 19 34 55.87 h m s
Declination +36 48 55.7 d m s
V-band apparent magnitude 15.9 mag
K-band apparent magnitude 13.41 mag
Transit duration 0.062
( 1.49 )
day
hour
Transit depth 3.9 %
Time of mid-transit   2454317.81333 ± 0.00065     HJD or BJD
Orbital period 1.0187068 ± 0.00000065 days
Reference for orbital ephemeris   2014MNRAS.440.1470B  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5000 ± 250 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.2 +0.3 −0.2 dex
Stellar mass 0.820 ± 0.082   Msun
Stellar radius 0.752 ± 0.032 Rsun
Stellar logarithmic surface gravity 4.600 ± 0.023 c.g.s.
Stellar mean density 1.93 ± 0.16
( 2.72 ± 0.23 )
ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.01855 ± 0.00062  AU
Planetary mass 1.12 ± 0.16
( 356 ± 50 )
Mjup
Mearth
Planetary radius 1.363 ± 0.061
( 15.28 ± 0.68 )
Rjup
Rearth
Planetary surface gravity 14.9 ± 2.5
3.17 ± 0.07
m/s2
log(cgs)
Planetary mean density 0.413 ± 0.080
( 0.55 ± 0.11 )
ρjup
g cm-3
Planetary equilibrium temperature 2000 ± 100 K
Reference of detailed study 2014MNRAS.440.1470B  

 

WTS-2 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

WTS-2 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


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