Planet BD+54 1640 b

Detailed information about planet BD+54 1640 b and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
BD+54 1640 b
Planet Status
Retracted
Discovered in
2025
Publication
Status
—
Update
2025-11-24
Mass
—
Mass*sin(i)
46.6 ( ± 1.0 ) MJ
Semi-Major Axis
0.78 ( ± 0.39 ) AU
Orbital Period
230.22 ( ± 0.01 ) day
Eccentricity
0.141 ( ± 0.003 )
Angular distance
—
ω
6.36 ( ± 0.021 ) deg
Tperi
—
Radius
—
Inclination
—
Detection Method
Radial Velocity
Mass Meas. Method
Radial Velocity
Radius Meas. Method
—
Primary transit
—
Secondary transit
—
λ
—
Impact Parameter b
—
Time Vr=0
—
Velocity Semiamplitude K
1399.0 ( ± 4.0 ) m/s
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

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Star

Name
BD+54 1640
Distance
74.35 ( ± 1.47 ) pc
Spectral type
G2IV
Apparent magnitude V
8.14
Apparent magnitude I
—
Apparent magnitude J
—
Apparent magnitude H
—
Apparent magnitude K
—
Mass
1.18 ( ± 0.03 ) MSun
Age
6.3 ( ± 1.09 ) Gyr
Effective temperature
5627.0 ( ± 22.0 ) K
Radius
1.83 ( ± 0.22 ) RSun
Metallicity [Fe/H]
0.41 ( ± 0.03 )
Detected Disc
—
Magnetic Field
—
RA2000
14:00:31.8
Dec2000
+53:46:06.4
Alternate Names
HD 122471

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