TEPCat: WASP-47c


 

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

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2015ApJ...812L..18B  
Date of discovery paper 2015 / 8 / 11 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 0.08
( 1.9 )
day
hour
Transit depth 0.025 %
Time of mid-transit   2457011.34849 ± 0.00038     HJD or BJD
Orbital period 0.789597 ± 0.000013 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 0.030 +0.036 −0.020  
Orbital semimajor axis   0.01688 ± 0.00017  AU
Planetary mass 0.0215 ± 0.0021
( 6.83 ± 0.67 )
Mjup
Mearth
Planetary radius 0.1586 ± 0.0028
( 1.778 ± 0.031 )
Rjup
Rearth
Planetary surface gravity 20.5 ± 2.0
3.31 ± 0.04
m/s2
log(cgs)
Planetary mean density 4.79 ± 0.48
( 6.35 ± 0.64 )
ρjup
g cm-3
Planetary equilibrium temperature K
Reference of detailed study 2017AJ....154..237V  

 

WASP-47c does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

WASP-47c 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)