Planet HIP 21152 b

Detailed information about planet HIP 21152 b and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

HIP 21152 b

Planet Status

Confirmed

Discovered in

2022

Update

2022-11-21

Mass

24.0 (\begin{matrix} + 6.0 \\ - 4.0 \end{matrix})

M_J 3 publications

Astrometric Accelerations as Dynamical Beacons: Discovery and Characterization of HIP 21152 B, the First T-Dwarf Companion in the Hyades
Results from The COPAINS Pilot Survey: four new BDs and a high companion detection rate for accelerating stars
Direct Imaging Discovery and Dynamical Mass of a Substellar Companion Orbiting an Accelerating Hyades Sun-like Star with SCExAO/CHARIS

Mass*sin(i)

—

Semi-Major Axis

17.0 (\begin{matrix} + 5.0 \\ - 4.0 \end{matrix})

AU 3 publications

Astrometric Accelerations as Dynamical Beacons: Discovery and Characterization of HIP 21152 B, the First T-Dwarf Companion in the Hyades
Results from The COPAINS Pilot Survey: four new BDs and a high companion detection rate for accelerating stars
Direct Imaging Discovery and Dynamical Mass of a Substellar Companion Orbiting an Accelerating Hyades Sun-like Star with SCExAO/CHARIS

Orbital Period

21550.0 (\begin{matrix} + 11320.0 \\ - 5845.0 \end{matrix})

day 2 publications

Astrometric Accelerations as Dynamical Beacons: Discovery and Characterization of HIP 21152 B, the First T-Dwarf Companion in the Hyades
Direct Imaging Discovery and Dynamical Mass of a Substellar Companion Orbiting an Accelerating Hyades Sun-like Star with SCExAO/CHARIS

Eccentricity

0.36 (\begin{matrix} + 0.37 \\ - 0.25 \end{matrix})

2 publications

Astrometric Accelerations as Dynamical Beacons: Discovery and Characterization of HIP 21152 B, the First T-Dwarf Companion in the Hyades
Direct Imaging Discovery and Dynamical Mass of a Substellar Companion Orbiting an Accelerating Hyades Sun-like Star with SCExAO/CHARIS

ω

160.0 (\begin{matrix} + 160.0 \\ - 130.0 \end{matrix})

deg 2 publications

Astrometric Accelerations as Dynamical Beacons: Discovery and Characterization of HIP 21152 B, the First T-Dwarf Companion in the Hyades
Direct Imaging Discovery and Dynamical Mass of a Substellar Companion Orbiting an Accelerating Hyades Sun-like Star with SCExAO/CHARIS

T_peri

—

Radius

—

Inclination

95.3 (\begin{matrix} + 3.9 \\ - 2.1 \end{matrix})

deg 2 publications

Astrometric Accelerations as Dynamical Beacons: Discovery and Characterization of HIP 21152 B, the First T-Dwarf Companion in the Hyades
Direct Imaging Discovery and Dynamical Mass of a Substellar Companion Orbiting an Accelerating Hyades Sun-like Star with SCExAO/CHARIS

Detection Method

Imaging

Mass Meas. Method

Astrometry

Radius Meas. Method

—

Primary transit

—

Secondary transit

—

λ

—

Impact Parameter b

—

Time V_r=0

—

Velocity Semiamplitude K

—

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

No remarks

No link

Star

Name

HIP 21152

Distance

43.27 (\pm 0.06)

pc 1 publication

Results from The COPAINS Pilot Survey: four new BDs and a high companion detection rate for accelerating stars

Spectral type

F5V

Apparent magnitude V

—

Mass

1.44 (\pm 0.002)

M_Sun 1 publication

Results from The COPAINS Pilot Survey: four new BDs and a high companion detection rate for accelerating stars

Age

0.625 (\begin{matrix} + 0.7 \\ - 0.6 \end{matrix})

Gyr 1 publication

Results from The COPAINS Pilot Survey: four new BDs and a high companion detection rate for accelerating stars

Effective temperature

—

Radius

—

Metallicity [Fe/H]

—

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

04:32:05.0

Dec₂₀₀₀

+05:24:36.0

Alternate Names

—

No remarks

No link

Simbad
Most recent references (ADS)

Planet HIP 21152 b

Planet

Basic informations 28 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks No remark

Other web pages No page

Star

Basic informations 13 parameters

Planetary system 1 planet

Remarks No remark

Other web pages No page

More data 2 references

Planet HIP 21152 b

Planet

Basic informations 28 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks No remark

Other web pages No page

Star

Basic informations 13 parameters

Planetary system 1 planet

Remarks No remark

Other web pages No page

More data 2 references

Related publications

Astrometric Accelerations as Dynamical Beacons: Discovery and Characterization of HIP 21152 B, the First T-Dwarf Companion in the Hyades

Direct Imaging Discovery and Dynamical Mass of a Substellar Companion Orbiting an Accelerating Hyades Sun-like Star with SCExAO/CHARIS

Results from The COPAINS Pilot Survey: four new BDs and a high companion detection rate for accelerating stars