TEPCat: WASP-94


 

This page summarises the information held within TEPCat for the transiting planetary system WASP-94. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2014A+A...572A..49N  
Date of discovery paper 2014 / 9 / 29 y / m / d
Right ascension 20 55 07.95 h m s
Declination −34 08 07.9 d m s
V-band apparent magnitude 10.06 mag
K-band apparent magnitude 8.87 mag
Transit duration 0.1870
( 4.488 )
day
hour
Transit depth 1.4 %
Time of mid-transit   2456416.40138 ± 0.00026     HJD or BJD
Orbital period 3.9501907 ± 0.0000037 days
Reference for orbital ephemeris   2014A+A...572A..49N  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6170 ± 80 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.26 ± 0.15 dex
Stellar mass 1.45 ± 0.09   Msun
Stellar radius 1.62 +0.05 −0.04 Rsun
Stellar logarithmic surface gravity 4.181 +0.013 −0.017 c.g.s.
Stellar mean density 0.344 +0.011 −0.020
( 0.485 +0.016 −0.028 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.13 −0.0  
Orbital semimajor axis   0.055 ± 0.001  AU
Planetary mass 0.452 +0.035 −0.032
( 143 +11 −10 )
Mjup
Mearth
Planetary radius 1.72 +0.06 −0.05
( 19.28 + 0.67 − 0.56 )
Rjup
Rearth
Planetary surface gravity 3.48 ± 0.25
2.54 ± 0.03
m/s2
log(cgs)
Planetary mean density 0.089 ± 0.008
( 0.118 ± 0.011 )
ρjup
g cm-3
Planetary equilibrium temperature 1604 +25 −22 K
Reference of detailed study 2014A+A...572A..49N  

 

Entries in the catalogue of Rossiter-McLaughlin measurements:
 
Reference λ (degrees)
Neveu-VanMalle et al. (2014)   151   + 16   - 23  

 

 

WASP-94 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)