TEPCat: WASP-107


 

This page summarises the information held within TEPCat for the transiting planetary system WASP-107. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2017A+A...604A.110A  
Date of discovery paper 2017 / 1 / 16 y / m / d
Right ascension 12 33 32.84 h m s
Declination −10 08 46.1 d m s
V-band apparent magnitude 11.59 mag
K-band apparent magnitude 8.64 mag
Transit duration 0.11411
( 2.7386 )
day
hour
Transit depth 2.7 %
Time of mid-transit   2457584.329746 ± 0.000011     HJD or BJD
Orbital period 5.72149242 ± 0.00000046 days
Reference for orbital ephemeris   2017MNRAS.469.1622M  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 4425 ± 70 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.02 ± 0.09 dex
Stellar mass 0.683 +0.017 −0.016   Msun
Stellar radius 0.67 ± 0.02 Rsun
Stellar logarithmic surface gravity 4.633 ± 0.012 c.g.s.
Stellar mean density 2.441 ± 0.023
( 3.444 ± 0.032 )
ρsun
g cm-3
Orbital eccentricity 0.06 +0.04 −0.004  
Orbital semimajor axis   0.0553 ± 0.0013  AU
Planetary mass 0.096 ± 0.005
( 30.5 ± 1.6 )
Mjup
Mearth
Planetary radius 0.924 ± 0.022
( 10.36 ± 0.25 )
Rjup
Rearth
Planetary surface gravity 3.09 +0.38 −0.34
2.49 +0.05 −0.05
m/s2
log(cgs)
Planetary mean density 0.101 +0.011 −0.010
( 0.134 +0.015 −0.013 )
ρjup
g cm-3
Planetary equilibrium temperature 736 ± 17 K
Reference of detailed study arXiv:2011.13444  

 

Entries in the catalogue of orbital obliquity measurements:
 
Reference λ (degrees)
Dai et al. (2017)   −999   ±   -999  
Rubenzahl et al. (2021)   118   + 38   - 19  

 

 

WASP-107 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2021/12/02           John Southworth   (Keele University, UK)