TEPCat: WASP-47b


 

This page summarises the information held within TEPCat for the transiting planetary system WASP-47b. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2012MNRAS.426..739H  
Date of discovery paper 2012 / 4 / 24 y / m / d
Right ascension 22 04 48.72 h m s
Declination −12 01 07.8 d m s
V-band apparent magnitude 11.93 mag
K-band apparent magnitude 10.19 mag
Transit duration 0.14933
( 3.5839 )
day
hour
Transit depth 1.3 %
Time of mid-transit   2457007.932131 ± 0.000023     HJD or BJD
Orbital period 4.1591287 ± 0.0000049 days
Reference for orbital ephemeris   2015ApJ...812L..18B  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5576 ± 67 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.36 ± 0.05 dex
Stellar mass 1.040 ± 0.031   Msun
Stellar radius 1.137 ± 0.013 Rsun
Stellar logarithmic surface gravity 4.3437 ± 0.0063 c.g.s.
Stellar mean density 0.708 ± 0.010
( 0.999 ± 0.014 )
ρsun
g cm-3
Orbital eccentricity 0.028 +0.0042 −0.0020  
Orbital semimajor axis   0.05111 ± 0.00051  AU
Planetary mass 1.142 ± 0.023
( 363.03 ± 7.31 )
Mjup
Mearth
Planetary radius 1.123 ± 0.013
( 12.59 ± 0.15 )
Rjup
Rearth
Planetary surface gravity 22.33 ± 0.27
3.349 ± 0.005
m/s2
log(cgs)
Planetary mean density 0.749 ± 0.016
( 0.994 ± 0.021 )
ρjup
g cm-3
Planetary equilibrium temperature 1220 ± 20 K
Reference of detailed study 2017AJ....154..237V  

 

Entries in the catalogue of Rossiter-McLaughlin measurements:
 
Reference λ (degrees)
Sanchis-Ojeda et al. (2015)   0   ±   24  

 

 

WASP-47b 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)