TEPCat: WASP-39


 

This page summarises the information held within TEPCat for the transiting planetary system WASP-39. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2011A+A...531A..40F  
Date of discovery paper 2011 / 2 / 8 y / m / d
Right ascension 14 29 18.42 h m s
Declination −03 26 40.1 d m s
V-band apparent magnitude 12.10 mag
K-band apparent magnitude 10.20 mag
Transit duration 0.1168
( 2.803 )
day
hour
Transit depth 2.5 %
Time of mid-transit   2455342.9696 ± 0.00014     HJD or BJD
Orbital period 4.05528047 ± 0.0000007 days
Reference for orbital ephemeris   2016ApJ...827...19F  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5485 ± 50 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.01 ± 0.09 dex
Stellar mass 0.913 ± 0.046   Msun
Stellar radius 0.939 ± 0.022 Rsun
Stellar logarithmic surface gravity 4.453 ± 0.018 c.g.s.
Stellar mean density 1.103 ± 0.057
( 1.556 ± 0.080 )
ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.04828 ± 0.00081  AU
Planetary mass 0.281 ± 0.032
( 89 ± 10 )
Mjup
Mearth
Planetary radius 1.279 ± 0.040
( 14.34 ± 0.45 )
Rjup
Rearth
Planetary surface gravity 4.26 ± 0.50
2.63 ± 0.05
m/s2
log(cgs)
Planetary mean density 0.126 ± 0.017
( 0.167 ± 0.023 )
ρjup
g cm-3
Planetary equilibrium temperature 1166 ± 14 K
Reference of detailed study 2018A+A...613A..41M  

 

Entries in the catalogue of orbital obliquity measurements:
 
Reference λ (degrees)
Mancini et al. (2018)   0   ±   11  

 

 

WASP-39 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2018/07/20           John Southworth   (Keele University, UK)