Planet TW Hya d

Detailed information about planet TW Hya d and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

TW Hya d

Planet Status

Candidate

Discovered in

2016

Publication Status

Published in a refereed paper

Update

2025-09-08

Mass

1.29

M_J 1 publication

The Surprising Evolution of the Shadow on the TW Hya Disk

Mass*sin(i)

—

Semi-Major Axis

5.5 (\pm 0.8)

AU 1 publication

Sparse aperture masking interferometry survey of transitional discs. Search for substellar-mass companions and asymmetries in their parent discs

Orbital Period

—

Eccentricity

—

Angular distance

0.101

arcsec

ω

—

T_peri

—

Radius

—

Inclination

—

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

Debes et al. (2023): mass provided is an uppermost limit based on astrometry.

No link

Star

Name

TW Hya

Distance

60.0 (\begin{matrix} + 0.37 \\ - 0.11 \end{matrix})

pc 1 publication

SPIRou spectropolarimetry of the T Tauri star TW Hydrae: magnetic fields, accretion and planets

Spectral type

K8V

Apparent magnitude V

11.1

Apparent magnitude I

—

Apparent magnitude J

—

Apparent magnitude H

—

Apparent magnitude K

—

Mass

0.8 (\pm 0.05)

M_Sun 2 publications

A young massive planet in a star-disk system
SPIRou spectropolarimetry of the T Tauri star TW Hydrae: magnetic fields, accretion and planets

Age

0.0075 (\pm 0.0025)

Gyr 2 publications

A young massive planet in a star-disk system
SPIRou spectropolarimetry of the T Tauri star TW Hydrae: magnetic fields, accretion and planets

Effective temperature

4050.0 (\pm 50.0)

K 2 publications

The 0.5-2.22 μm Scattered Light Spectrum of the Disk around TW Hya: Detection of a Partially Filled Disk Gap at 80 AU
SPIRou spectropolarimetry of the T Tauri star TW Hydrae: magnetic fields, accretion and planets

Radius

1.16 (\pm 0.13)

R_Sun 2 publications

The 0.5-2.22 μm Scattered Light Spectrum of the Disk around TW Hya: Detection of a Partially Filled Disk Gap at 80 AU
SPIRou spectropolarimetry of the T Tauri star TW Hydrae: magnetic fields, accretion and planets

Metallicity [Fe/H]

—

Detected Disc

Imaging

Magnetic Field

—

RA₂₀₀₀

11:01:52.0

Dec₂₀₀₀

-34:42:17.0

Alternate Names

No remarks

No link

Simbad
Most recent references (ADS)

Planet TW Hya d

Planet

Basic informations 30 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks Some remarks

Other web pages No page

Star

Basic informations 17 parameters

Planetary system 1 planet

Remarks No remark

Other web pages No page

More data 2 references

Planet TW Hya d

Planet

Basic informations 30 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks Some remarks

Other web pages No page

Star

Basic informations 17 parameters

Planetary system 1 planet

Remarks No remark

Other web pages No page

More data 2 references

Related publications

SPIRou spectropolarimetry of the T Tauri star TW Hydrae: magnetic fields, accretion and planets

The Surprising Evolution of the Shadow on the TW Hya Disk

Sparse aperture masking interferometry survey of transitional discs. Search for substellar-mass companions and asymmetries in their parent discs

The 0.5-2.22 μm Scattered Light Spectrum of the Disk around TW Hya: Detection of a Partially Filled Disk Gap at 80 AU

A young massive planet in a star-disk system