TEPCat: WASP-41


 

This page summarises the information held within TEPCat for the transiting planetary system WASP-41. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2011PASP..123..547M  
Date of discovery paper 2010 / 12 / 14 y / m / d
Right ascension 12 42 28.50 h m s
Declination −30 38 23.5 d m s
V-band apparent magnitude 11.64 mag
K-band apparent magnitude 9.68 mag
Transit duration 0.1099
( 2.638 )
day
hour
Transit depth 2.1 %
Time of mid-transit   2455996.67927 ± 0.00010     HJD or BJD
Orbital period 3.05240154 ± 0.00000041 days
Reference for orbital ephemeris   2016MNRAS.457.4205S  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5546 ± 33 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.06 ± 0.04 dex
Stellar mass 0.987 ± 0.033   Msun
Stellar radius 0.886 ± 0.012 Rsun
Stellar logarithmic surface gravity 4.538 ± 0.009 c.g.s.
Stellar mean density 1.420 ± 0.034
( 2.004 ± 0.048 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.026 −0.0  
Orbital semimajor axis   0.0410 ± 0.0005  AU
Planetary mass 0.977 ± 0.026
( 310.58 ± 8.27 )
Mjup
Mearth
Planetary radius 1.178 ± 0.018
( 13.20 ± 0.20 )
Rjup
Rearth
Planetary surface gravity 17.45 ± 0.46
3.24 ± 0.01
m/s2
log(cgs)
Planetary mean density 0.558 ± 0.021
( 0.740 ± 0.028 )
ρjup
g cm-3
Planetary equilibrium temperature 1242 ± 12 K
Reference of detailed study 2016MNRAS.457.4205S  

 

Entries in the catalogue of Rossiter-McLaughlin measurements:
 
Reference λ (degrees)
Neveu-VanMalle et al. (2016)   29   + 10   - 14  
Southworth et al. (2016)   6   ±   11  

 

 

WASP-41 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2017/12/13           John Southworth   (Keele University, UK)