Planet alf Per b

Detailed information about planet alf Per b and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
alf Per b
Planet Status
Candidate
Discovered in
2012
Update
2021-10-11
Mass
6.6 ( +0.2 -0.2 ) MJ
Mass*sin(i)
—
Semi-Major Axis
0.97 AU
Orbital Period
128.2 ( ± 0.1 ) day
Eccentricity
0.1 ( ± 0.04 )
ω
208.37 ( ± 12.36 ) deg
Tperi
2451513.0 ( ± 4.91 ) JD
Radius
—
Inclination
—
Detection Method
Other
Mass Meas. Method
—
Radius Meas. Method
—
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

22 May 2012: This object in uncertain since the RV variation could be due to stellar pulasations or rotational modulations (Lee et al. 2012)

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Star

Name
alf Per
Distance
156.0 ( ± 4.0 ) pc
Spectral type
F5Ib
Apparent magnitude V
1.82
Mass
7.3 ( ± 0.3 ) MSun
Age
0.041 Gyr
Effective temperature
6350.0 ( ± 100.0 ) K
Radius
55.0 RSun
Metallicity [Fe/H]
-0.07 ( ± 0.09 )
Detected Disc
—
Magnetic Field
—
RA2000
03:24:19.0
Dec2000
+49:51:40.0
Alternate Names
—

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