TEPCat: WASP-166


 

This page summarises the information held within TEPCat for the transiting planetary system WASP-166. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:1811.05292  
Date of discovery paper 2018 / 11 / 14 y / m / d
Right ascension 09 39 30.09 h m s
Declination −20 58 56.9 d m s
V-band apparent magnitude 9.36 mag
K-band apparent magnitude 8.03 mag
Transit duration 0.148
( 3.55 )
day
hour
Transit depth 0.3 %
Time of mid-transit   2456651.8371 ± 0.0014     HJD or BJD
Orbital period 5.443526 ± 0.000010 days
Reference for orbital ephemeris   arXiv:1811.05292  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6050 ± 50 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.19 ± 0.05 dex
Stellar mass 1.19 ± 0.06   Msun
Stellar radius 1.22 ± 0.06 Rsun
Stellar logarithmic surface gravity 4.34 ± 0.04 c.g.s.
Stellar mean density 0.65 ± 0.05
( 0.917 ± 0.071 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.07 −0.0  
Orbital semimajor axis   0.0642 ± 0.0001  AU
Planetary mass 0.102 ± 0.004
( 32.4 ± 1.3 )
Mjup
Mearth
Planetary radius 0.63 ± 0.03
( 7.06 ± 0.34 )
Rjup
Rearth
Planetary surface gravity 5.75 +0.56 −0.51
2.76 +0.04 −0.04
m/s2
log(cgs)
Planetary mean density 0.40 ± 0.05
( 0.531 ± 0.066 )
ρjup
g cm-3
Planetary equilibrium temperature 1270 ± 20 K
Reference of detailed study arXiv:1811.05292  

 

Entries in the catalogue of orbital obliquity measurements:
 
Reference λ (degrees)
Hellier et al. (2018)   −3   ±   5  

 

 

WASP-166 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2019/07/16           John Southworth   (Keele University, UK)