TEPCat: WASP-126


 

This page summarises the information held within TEPCat for the transiting planetary system WASP-126. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2016A+A...591A..55M  
Date of discovery paper 2016 / 2 / 5 y / m / d
Right ascension 04 13 29.75 h m s
Declination −69 13 36.6 d m s
V-band apparent magnitude 11.20 mag
K-band apparent magnitude 9.60 mag
Transit duration 0.142
( 3.41 )
day
hour
Transit depth 0.7 %
Time of mid-transit   2456890.3191 ± 0.0006     HJD or BJD
Orbital period 3.28880 ± 0.00001 days
Reference for orbital ephemeris   2016A+A...591A..55M  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5800 ± 100 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.17 ± 0.08 dex
Stellar mass 1.12 ± 0.06   Msun
Stellar radius 1.27 +0.10 −0.05 Rsun
Stellar logarithmic surface gravity 4.28 +0.03 −0.07 c.g.s.
Stellar mean density 0.56 +0.06 −0.07
( 0.790 +0.085 −0.099 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.18 −0.0  
Orbital semimajor axis   0.0449 ± 0.0008  AU
Planetary mass 0.28 ± 0.04
( 89 ± 12 )
Mjup
Mearth
Planetary radius 0.96 +0.10 −0.05
( 10.76 + 1.12 − 0.56 )
Rjup
Rearth
Planetary surface gravity 6.8 +1.6 −1.3
2.83 +0.09 −0.09
m/s2
log(cgs)
Planetary mean density 0.31 ± 0.08
( 0.41 ± 0.11 )
ρjup
g cm-3
Planetary equilibrium temperature 1480 ± 60 K
Reference of detailed study 2016A+A...591A..55M  

 

WASP-126 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

WASP-126 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2017/12/05           John Southworth   (Keele University, UK)