TEPCat: WASP-3


 

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

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2008MNRAS.385.1576P  
Date of discovery paper 2007 / 10 / 26 y / m / d
Right ascension 18 34 31.62 h m s
Declination +35 39 41.5 d m s
V-band apparent magnitude 10.64 mag
K-band apparent magnitude 9.36 mag
Transit duration 0.1162
( 2.789 )
day
hour
Transit depth 1.3 %
Time of mid-transit   2454143.85112 ± 0.00024     HJD or BJD
Orbital period 1.8468351 ± 0.0000004 days
Reference for orbital ephemeris   2013AJ....146..147M  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6340 ± 90 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.161 ± 0.063 dex
Stellar mass 1.11 +0.08 −0.06   Msun
Stellar radius 1.298 +0.053 −0.044 Rsun
Stellar logarithmic surface gravity 4.26 ± 0.04 c.g.s.
Stellar mean density 0.506 +0.026 −0.025
( 0.714 +0.037 −0.035 )
ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.0305 +0.0008 −0.0006  AU
Planetary mass 1.77 +0.11 −0.09
( 562 +34 −28 )
Mjup
Mearth
Planetary radius 1.346 ± 0.063
( 15.09 ± 0.71 )
Rjup
Rearth
Planetary surface gravity 24 ± 2
3.38 ± 0.03
m/s2
log(cgs)
Planetary mean density 0.73 +0.15 −0.14
( 0.97 +0.20 −0.19 )
ρjup
g cm-3
Planetary equilibrium temperature 2020 ± 35 K
Reference of detailed study 2013AJ....146..147M  

 

Entries in the catalogue of Rossiter-McLaughlin measurements:
 
Reference λ (degrees)
Simpson et al. (2010)   15   + 10   - 9  
Tripathi et al. (2010)   3.3   + 2.5   - 4.4  
Miller et al. (2010)   5   + 6   - 5  
Oshagh et al. (2013)   20.0   ±   3.3  

 

 

WASP-3 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2017/12/13           John Southworth   (Keele University, UK)