TEPCat: WASP-43


 

This page summarises the information held within TEPCat for the transiting planetary system WASP-43. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2011A+A...535L...7H  
Date of discovery paper 2011 / 4 / 15 y / m / d
Data/telescope used for discovery WASP  
Right ascension 10 19 38.01 h m s
Declination −09 48 22.5 d m s
Right ascension (decimal) 154.90838 degrees
Declination (decimal) -9.80625 degrees
V-band apparent magnitude 12.37 mag
K-band apparent magnitude 9.27 mag
Transit duration 0.05115
( 1.2276 )
day
hour
Transit depth 2.7 %
Time of mid-transit   2455528.868421 ± 0.000054     HJD or BJD
Orbital period 0.813474243 ± 0.000000017 days
Reference for orbital ephemeris   arXiv:2209.10752  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 4240 +30 −20 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.15 +0.10 −0.04 dex
Stellar mass 0.712 +0.041 −0.036   Msun
Stellar radius 0.698 ± 0.014 Rsun
Stellar logarithmic surface gravity 4.71 ± 0.09 c.g.s.
Stellar mean density 2.20 ± 0.04
( 3.104 ± 0.056 )
ρsun
g cm-3
Orbital eccentricity 0.0035 +0.0060 −0.0025  
Orbital semimajor axis   0.01526 ± 0.00018  AU
Planetary mass 2.034 +0.052 −0.051
( 646 +16 −16 )
Mjup
Mearth
Planetary radius 1.08 ± 0.02
( 12.11 ± 0.22 )
Rjup
Rearth
Planetary surface gravity 47.0 +1.4 −1.3
3.67 +0.01 −0.01
m/s2
log(cgs)
Planetary mean density 1.826 +0.084 −0.078
( 2.42 +0.11 −0.10 )
ρjup
g cm-3
Planetary equilibrium temperature 1440 +40 −39 K
Reference of detailed study arXiv:2209.05303  

 

Entries in the catalogue of orbital obliquity measurements:
 
Reference λ (degrees)
Esposito et al. (2017)   3.5   ±   6.8  

 

 

WASP-43 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2022/12/01           John Southworth   (Keele University, UK)