Planet HD 149026 b

Detailed information about planet HD 149026 b and its parameters.

Planet

Name
HD 149026 b
Planet Status
Confirmed
Discovered in
2005
Publication
Status
—
Update
2025-11-24
Mass
Mass*sin(i)
Semi-Major Axis
Orbital Period
Eccentricity
Angular distance
0.000543 arcsec
ω
—
Tperi
Radius
Inclination
Detection Method
Primary Transit, Radial Velocity
Mass Meas. Method
Radial Velocity
Radius Meas. Method
Primary Transit
Primary transit
Secondary transit
—
λ
Impact Parameter b
—
Time Vr=0
—
Velocity Semiamplitude K
Calculated temperature
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
Fe
Measurements Detected 3σ 2021 - ISHIZUKA M.
H2O
Measurements Detected 2024 - RAFI S.
Ti
Measurements Detected 0.0 2024 - BIASSONI F.

11 Aug 2011: Stevenson et al; (2011) consider also an eccentric orbit with eccentricity 0.154 ± 0.016, but estimate that it is unlikely.

Star

Name
HD 149026
Distance
78.9 ( ± 6.6 ) pc
Spectral type
G0 IV
Apparent magnitude V
8.15
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
16:30:29.0
Dec2000
+38:20:50.0
Alternate Names
—

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