TEPCat: WASP-11


 

This page summarises the information held within TEPCat for the transiting planetary system WASP-11. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2009A+A...502..395W  
Date of discovery paper 2008 / 9 / 26 y / m / d
Right ascension 03 09 28.55 h m s
Declination +30 40 24.9 d m s
V-band apparent magnitude 11.89 mag
K-band apparent magnitude 9.42 mag
Transit duration 0.1090
( 2.616 )
day
hour
Transit depth 2.2 %
Time of mid-transit   2454729.90716 ± 0.00020     HJD or BJD
Orbital period 3.72247967 ± 0.00000045 days
Reference for orbital ephemeris   2015A+A...579A.136M  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 4900 ± 65 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.12 ± 0.09 dex
Stellar mass 0.806 ± 0.040   Msun
Stellar radius 0.772 ± 0.015 Rsun
Stellar logarithmic surface gravity 4.569 ± 0.018 c.g.s.
Stellar mean density 1.748 ± 0.074
( 2.47 ± 0.10 )
ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.04375 ± 0.00074  AU
Planetary mass 0.492 ± 0.024
( 156.40 ± 7.63 )
Mjup
Mearth
Planetary radius 0.990 ± 0.023
( 11.10 ± 0.26 )
Rjup
Rearth
Planetary surface gravity 12.45 ± 0.50
3.10 ± 0.02
m/s2
log(cgs)
Planetary mean density 0.475 ± 0.026
( 0.630 ± 0.034 )
ρjup
g cm-3
Planetary equilibrium temperature 992 ± 14 K
Reference of detailed study 2015A+A...579A.136M  

 

Entries in the catalogue of Rossiter-McLaughlin measurements:
 
Reference λ (degrees)
Mancini et al. (2015)   7   ±   5  

 

 

WASP-11 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)