TEPCat: TOI-172


 

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

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:1901.09950  
Date of discovery paper 2019 / 1 / 29 y / m / d
Right ascension 21 06 31.65 h m s
Declination −26 41 34.3 d m s
V-band apparent magnitude 11.38 mag
K-band apparent magnitude 9.72 mag
Transit duration 0.1966
( 4.718 )
day
hour
Transit depth 0.4 %
Time of mid-transit   2458345.8738 ± 0.0014     HJD or BJD
Orbital period 9.47721 ± 0.00083 days
Reference for orbital ephemeris   arXiv:1901.09950  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5640 ± 50 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.14 ± 0.08 dex
Stellar mass 1.124 +0.063 −0.060   Msun
Stellar radius 1.774 +0.046 −0.043 Rsun
Stellar logarithmic surface gravity 3.993 +0.026 −0.027 c.g.s.
Stellar mean density 0.203 +0.015 −0.016
( 0.286 +0.021 −0.023 )
ρsun
g cm-3
Orbital eccentricity 0.3805 +0.0092 −0.0090  
Orbital semimajor axis   0.0913 ± 0.0017  AU
Planetary mass 5.41 +0.21 −0.20
( 1719 +66 −63 )
Mjup
Mearth
Planetary radius 0.965 +0.033 −0.030
( 10.82 + 0.37 − 0.34 )
Rjup
Rearth
Planetary surface gravity 145 +9 −10
4.16 +0.03 −0.03
m/s2
log(cgs)
Planetary mean density 5.66 +0.52 −0.54
( 7.51 +0.69 −0.72 )
ρjup
g cm-3
Planetary equilibrium temperature 1198 +18 −17 K
Reference of detailed study arXiv:1901.09950  

 

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

 

TOI-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)