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 5460 ± 55 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.12 ± 0.10 dex
Stellar mass 0.93 ± 0.03   Msun
Stellar radius 0.895 ± 0.023 Rsun
Stellar logarithmic surface gravity 4.503 ± 0.017 c.g.s.
Stellar mean density 1.297 +0.082 −0.074
( 1.83 +0.12 −0.10 )
ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.0486 ± 0.0005  AU
Planetary mass 0.28 ± 0.03
( 89.0 ± 9.5 )
Mjup
Mearth
Planetary radius 1.27 ± 0.04
( 14.24 ± 0.45 )
Rjup
Rearth
Planetary surface gravity 4.07 ± 0.46
2.61 ± 0.05
m/s2
log(cgs)
Planetary mean density 0.14 ± 0.02
( 0.186 ± 0.027 )
ρjup
g cm-3
Planetary equilibrium temperature 1116 +33 −32 K
Reference of detailed study 2011A+A...531A..40F  

 

WASP-39 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

WASP-39 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)