Planet Aldebaran x

Detailed information about planet Aldebaran x and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

Aldebaran x

Planet Status

Controversial

Discovered in

1998

Mass

6.47 M_J

Mass*sin(i)

6.47 M_J 2 publications

Long-lived, long-period radial velocity variations in Aldebaran: A planetary companion and stellar activity
Extrasolar planets around intermediate mass stars

Semi-Major Axis

1.46 AU 1 publication

Long-lived, long-period radial velocity variations in Aldebaran: A planetary companion and stellar activity

Orbital Period

614.1 day 3 publications

Precise radial velocities of giant stars. XII. Evidence against the proposed planet Aldebaran b
Long-lived, long-period radial velocity variations in Aldebaran: A planetary companion and stellar activity
Extrasolar planets around intermediate mass stars

Eccentricity

0.24 (± 0.04) 3 publications

Precise radial velocities of giant stars. XII. Evidence against the proposed planet Aldebaran b
Long-lived, long-period radial velocity variations in Aldebaran: A planetary companion and stellar activity
On the Nature of the Radial Velocity Variability of Aldebaran: A Search for Spectral Line Bisector Variations

ω

336.2 deg 3 publications

Precise radial velocities of giant stars. XII. Evidence against the proposed planet Aldebaran b
Long-lived, long-period radial velocity variations in Aldebaran: A planetary companion and stellar activity
On the Nature of the Radial Velocity Variability of Aldebaran: A Search for Spectral Line Bisector Variations

T_peri

2452688.1 JD 3 publications

Precise radial velocities of giant stars. XII. Evidence against the proposed planet Aldebaran b
Long-lived, long-period radial velocity variations in Aldebaran: A planetary companion and stellar activity
On the Nature of the Radial Velocity Variability of Aldebaran: A Search for Spectral Line Bisector Variations

Radius

—

Inclination

—

Update

2024-04-22

Detection Method

Radial Velocity

Mass Detection Method

Radial Velocity

Radius Detection Method

—

Primary transit

—

Secondary transit

—

λ

—

Impact Parameter b

—

Time V_r=0

—

Velocity Semiamplitude K

125.42 m/s 2 publications

Precise radial velocities of giant stars. XII. Evidence against the proposed planet Aldebaran b
Long-lived, long-period radial velocity variations in Aldebaran: A planetary companion and stellar activity

Calculated temperature

—

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

—

Data Source	Type	Result Value	Result Figure	Notes	Reference

Molecule	Data Source	Type	Result Value	Result Figure	Notes	Reference

25 Mar 2019: According to Reichert et al. 2019: "Oscillatory convective modes might be a plausible alternative explanation of the observed radial-velocity variations."
20 Dec 2010: According to Hatzes 2008: "The most likely explanation for the 630-day RV variations is that they are due to a planetary companion." But the planet is still not published in a refereed Journal.

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