TEPCat: WTS-1


 

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

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2012MNRAS.427.1877C  
Date of discovery paper 2012 / 10 / 5 y / m / d
Right ascension 19 35 56.41 h m s
Declination +36 17 46.7 d m s
V-band apparent magnitude 16.13 mag
K-band apparent magnitude 15.27 mag
Transit duration 0.11
( 2.6 )
day
hour
Transit depth 1.8 %
Time of mid-transit   2454318.7472 ± 0.0040     HJD or BJD
Orbital period 3.352059 ± 0.000011 days
Reference for orbital ephemeris   2012MNRAS.427.1877C  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6250 ± 200 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.25 ± 0.25 dex
Stellar mass 1.2 ± 0.1   Msun
Stellar radius 1.15 +0.10 −0.12 Rsun
Stellar logarithmic surface gravity 4.4 ± 0.1 c.g.s.
Stellar mean density 0.79 +0.31 −0.18
( 1.11 +0.44 −0.25 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.1 −0.0  
Orbital semimajor axis   0.047 ± 0.001  AU
Planetary mass 4.01 ± 0.35
( 12747 ± 1113 )
Mjup
Mearth
Planetary radius 1.49 +0.16 −0.18
( 16.7 + 1.8 − 2.0 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 1.21 ± 0.42
( 1.61 ± 0.56 )
ρjup
g cm-3
Planetary equilibrium temperature 1500 ± 100 K
Reference of detailed study 2012MNRAS.427.1877C  

 

WTS-1 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

WTS-1 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


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