TEPCat: WASP-120


 

This page summarises the information held within TEPCat for the transiting planetary system WASP-120. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2016PASP..128f4401T  
Date of discovery paper 2015 / 9 / 9 y / m / d
Right ascension 04 10 27.85 h m s
Declination −45 53 53.6 d m s
V-band apparent magnitude 10.96 mag
K-band apparent magnitude 9.88 mag
Transit duration 0.1483
( 3.559 )
day
hour
Transit depth 0.7 %
Time of mid-transit   2456779.43556 ± 0.00051     HJD or BJD
Orbital period 3.6112706 ± 0.0000043 days
Reference for orbital ephemeris   2016PASP..128f4401T  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6450 ± 120 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.05 ± 0.07 dex
Stellar mass 1.393 ± 0.057   Msun
Stellar radius 1.87 ± 0.11 Rsun
Stellar logarithmic surface gravity 4.035 ± 0.049 c.g.s.
Stellar mean density 0.212 +0.041 −0.031
( 0.299 +0.058 −0.044 )
ρsun
g cm-3
Orbital eccentricity 0.057 +0.022 −0.018  
Orbital semimajor axis   0.0514 ± 0.0007  AU
Planetary mass 4.85 ± 0.21
( 1541 ± 66 )
Mjup
Mearth
Planetary radius 1.473 ± 0.096
( 16.5 ± 1.1 )
Rjup
Rearth
Planetary surface gravity 50.9 +5.6 −5.0
3.71 +0.05 −0.04
m/s2
log(cgs)
Planetary mean density 1.51 +0.33 −0.26
( 2.00 +0.44 −0.34 )
ρjup
g cm-3
Planetary equilibrium temperature 1880 ± 70 K
Reference of detailed study 2016PASP..128f4401T  

 

WASP-120 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

WASP-120 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


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