Planet HD 157172 Ab

Detailed information about planet HD 157172 Ab and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
HD 157172 Ab
Planet Status
Confirmed
Discovered in
2011
Publication
Status
Published in a refereed paper
Update
2025-02-11
Mass
—
Mass*sin(i)
0.12 MJ
Semi-Major Axis
0.416 AU
Orbital Period
104.84 day
Eccentricity
0.46
Angular distance
0.013041 arcsec
ω
—
Tperi
—
Radius
—
Inclination
—
Detection Method
Radial Velocity
Mass Meas. Method
—
Radius Meas. Method
—
Primary transit
—
Secondary transit
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λ
—
Impact Parameter b
—
Time Vr=0
—
Velocity Semiamplitude K
—
Calculated temperature
—
Measured temperature
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Hottest point longitude
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Geometric albedo
—
Surface gravity log(g/gH)
—
Alternate Names
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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.

No link

Star

Name
HD 157172 A
Distance
31.9 ( ± 0.9 ) pc
Spectral type
G8.5V
Apparent magnitude V
7.86
Apparent magnitude I
—
Apparent magnitude J
—
Apparent magnitude H
—
Apparent magnitude K
—
Mass
—
Age
—
Effective temperature
—
Radius
—
Metallicity [Fe/H]
—
Detected Disc
—
Magnetic Field
—
RA2000
17:22:35.0
Dec2000
-19:36:58.0
Alternate Names

Gonzalez-Payo et al. (2024) report a wide separation companion (164,000 AUs) with no characterization of mass or spectral type.

No link