Planet Aledebaran c

Name Aledebaran c
Planet Status Controversial
Discovered in 2019
Mass
Mass*sin(i)
Semi-Major Axis
Orbital Period 772.83 (± 4.34) day
Eccentricity 0.09 (± 0.08)
ω 24.4 (± 46.4) deg
Tperi 2452934.0 (± 98.6) JD
Radius
Inclination
Update 2019-03-25
Detection Method Radial Velocity
Mass Detection Method Radial Velocity
Radius Detection Method
Primary transit
Secondary transit
λ
Impact Parameter b
Time Vr=0
Velocity Semiamplitude K 72.24 m/s
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

Aldebaran
Name Aldebaran
Distance 20.43 (± 0.32) pc
Spectral type K5III
Apparent magnitude V 0.85
Mass 1.13 (± 0.11) MSun +
Age 6.6 (± 2.4) Gyr
Effective temperature 4055.0 (± 70.0) K
Radius 45.1 (± 0.1) RSun
Metallicity [Fe/H] -0.27 (± 0.05)
Detected Disc
Magnetic Field
RA2000 04:35:55.0
Dec2000 +16:30:33
Alternate Names alf Tau
Planetary system 1 planet

More data

Observability Predictor

Remarks

25 Mar 2019: According to Reichert et al. 2019: "Oscillatory convective modes might be a plausible alternative explanation of the observed radial-velocity variations."

Related publications

Precise radial velocities of giant stars. XII. Evidence against the proposed planet Aldebaran b
2019 REICHERT K., REFFERT S., STOCK S., TRIFONOV T. & QUIRRENBACH A.
Astron. & Astrophys., accepted
arxiv  

Long-lived, long-period radial velocity variations in Aldebaran: A planetary companion and stellar activity
2015 HATZES A., COCHRAN W., ENDL M., GUENTHER E., MacQUEEN P. et al.
Astron. & Astrophys., 580, A31
paper  arxiv  ADS

Extrasolar planets around intermediate mass stars
2008 HATZES A.
Physica Scripta, T130, 014004
paper