TEPCat: WASP-172


 

This page summarises the information held within TEPCat for the transiting planetary system WASP-172. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:1803.02224  
Date of discovery paper 2018 / 3 / 7 y / m / d
Right ascension 13 17 44.12 h m s
Declination −47 14 15.3 d m s
V-band apparent magnitude 11.09 mag
K-band apparent magnitude 10.13 mag
Transit duration 0.2206
( 5.294 )
day
hour
Transit depth 0.7 %
Time of mid-transit   2457032.2617 ± 0.0005     HJD or BJD
Orbital period 5.477433 ± 0.000007 days
Reference for orbital ephemeris   arXiv:1803.02224  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6900 ± 150 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.10 ± 0.08 dex
Stellar mass 1.49 ± 0.07   Msun
Stellar radius 1.91 ± 0.10 Rsun
Stellar logarithmic surface gravity 4.05 ± 0.05 c.g.s.
Stellar mean density 0.21 ± 0.04
( 0.296 ± 0.056 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.28 −0.0  
Orbital semimajor axis   0.0694 ± 0.0011  AU
Planetary mass 0.47 ± 0.10
( 149 ± 31 )
Mjup
Mearth
Planetary radius 1.57 ± 0.10
( 17.6 ± 1.1 )
Rjup
Rearth
Planetary surface gravity 4.4 +1.3 −1.0
2.6 +0.1 −0.1
m/s2
log(cgs)
Planetary mean density 0.12 ± 0.04
( 0.159 ± 0.053 )
ρjup
g cm-3
Planetary equilibrium temperature 1740 ± 60 K
Reference of detailed study arXiv:1803.02224  

 

WASP-172 does not have an entry in the catalogue of orbital obliquity measurements.

 

WASP-172 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)