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
Data/telescope used for discovery K2  
Right ascension 22 04 48.72 h m s
Declination −12 01 07.8 d m s
Right ascension (decimal) 331.20300 degrees
Declination (decimal) -12.01883 degrees
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   2457011.34862 ± 0.00030     HJD or BJD
Orbital period 0.7895933 ± 0.0000044 days
Reference for orbital ephemeris   arXiv:2202.12747  

 

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 0.0213 ± 0.0018
( 6.77 ± 0.57 )
Mjup
Mearth
Planetary radius 0.1613 ± 0.0023
( 1.808 ± 0.026 )
Rjup
Rearth
Planetary surface gravity 20.5 ± 2.0
3.31 ± 0.04
m/s2
log(cgs)
Planetary mean density 4.74 ± 0.45
( 6.29 ± 0.60 )
ρjup
g cm-3
Planetary equilibrium temperature K
Reference of detailed study arXiv:2202.12747  

 

WASP-47c does not have an entry in the catalogue of orbital obliquity measurements.

 

WASP-47c has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2022/11/23           John Southworth   (Keele University, UK)