Planet TOI-172 Ab

Detailed information about planet TOI-172 Ab and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
TOI-172 Ab
Planet Status
Confirmed
Discovered in
2019
Update
2024-07-29
Mass
5.41 ( ± 0.2 ) MJ
Mass*sin(i)
—
Semi-Major Axis
0.0913 ( ± 0.0017 ) AU
Orbital Period
9.47721 ( +0.0006 -0.0008 ) day
Eccentricity
0.3805 ( ± 0.0092 )
ω
57.1 ( ± 1.7 ) deg
Tperi
2458326.549 ( ± 0.026 ) JD
Radius
0.965 ( ± 0.033 ) RJ
Inclination
88.3 ( ± 1.0 ) deg
Detection Method
Primary Transit
Mass Meas. Method
Radial Velocity
Radius Meas. Method
Primary Transit
Primary transit
2458326.9195 ( ± 0.0018 ) JD
Secondary transit
—
λ
—
Impact Parameter b
0.22 ( ± 0.14 )
Time Vr=0
—
Velocity Semiamplitude K
517.6 ( ± 6.2 ) m/s
Calculated temperature
1198.0 ( ± 18.0 ) K
Measured temperature
—
Hottest point longitude
—
Geometric albedo
—
Surface gravity log(g/gH)
—
Alternate Names
—
Data Source Type Result Value Result Figure Notes Reference
Molecule Data Source Type Result Value Result Figure Notes Reference

See also Planets in Binaries webpage.

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Star

Name
TOI-172 A
Distance
336.47 ( ± 6.79 ) pc
Spectral type
G3IV
Apparent magnitude V
11.4
Mass
1.124 ( ± 0.063 ) MSun
Age
7.5 ( ± 1.6 ) Gyr
Effective temperature
5644.0 ( ± 50.0 ) K
Radius
1.774 ( ± 0.046 ) RSun
Metallicity [Fe/H]
0.146 ( ± 0.08 )
Detected Disc
—
Magnetic Field
—
RA2000
21:06:32.0
Dec2000
-26:41:34.0
Alternate Names
—

Ziegler et al. (2020) report an M dwarf companion star 1.1 arcseconds away (370 AUs at 336 pc).

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