Planet DS Tuc Ab

Detailed information about planet DS Tuc Ab and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

DS Tuc Ab

Planet Status

Confirmed

Discovered in

2019

Publication Status

Published in a refereed paper

Update

2024-08-04

Mass

0.0453 (\begin{matrix} + 0.0 \\ - 0.0453 \end{matrix})

M_J 2 publications

Constraints on the mass and atmospheric composition and evolution of the low-density young planet DS Tuc A b
TESS Hunt for Young and Maturing Exoplanets (THYME): A planet in the 45 Myr Tucana-Horologium association

Mass*sin(i)

—

Semi-Major Axis

0.0795 (\pm 0.003)

AU 2 publications

A possibly inflated planet around the bright, young star DS Tuc A
TESS Hunt for Young and Maturing Exoplanets (THYME): A planet in the 45 Myr Tucana-Horologium association

Orbital Period

8.138268 (\pm 1e-05)

day 2 publications

A possibly inflated planet around the bright, young star DS Tuc A
TESS Hunt for Young and Maturing Exoplanets (THYME): A planet in the 45 Myr Tucana-Horologium association

Eccentricity

—

Angular distance

—

ω

—

T_peri

—

Radius

0.5085 (\pm 0.0152)

R_J 2 publications

A possibly inflated planet around the bright, young star DS Tuc A
TESS Hunt for Young and Maturing Exoplanets (THYME): A planet in the 45 Myr Tucana-Horologium association

Inclination

88.73 (\pm 0.18)

deg 2 publications

Constraints on the mass and atmospheric composition and evolution of the low-density young planet DS Tuc A b
A possibly inflated planet around the bright, young star DS Tuc A

Detection Method

Primary Transit

Mass Meas. Method

Theoretical

Radius Meas. Method

Primary Transit

Primary transit

2458832.30997 (\pm 0.00026)

JD 2 publications

A possibly inflated planet around the bright, young star DS Tuc A
TESS Hunt for Young and Maturing Exoplanets (THYME): A planet in the 45 Myr Tucana-Horologium association

Secondary transit

—

λ

12.1 (\begin{matrix} + 2.6 \\ - 2.1 \end{matrix})

deg 1 publication

Constraints on the mass and atmospheric composition and evolution of the low-density young planet DS Tuc A b

Impact Parameter b

0.4 (\begin{matrix} + 0.07 \\ - 0.08 \end{matrix})

1 publication

A possibly inflated planet around the bright, young star DS Tuc A

Time V_r=0

—

Velocity Semiamplitude K

3.2 (\begin{matrix} + 1.4 \\ - 2.2 \end{matrix})

m/s 1 publication

Constraints on the mass and atmospheric composition and evolution of the low-density young planet DS Tuc A b

Calculated temperature

—

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

HD 222259 Ab, TOI-200 b, TOI-200 Ab

Data Source	Type	Result Value	Result Figure	Notes	Reference

Molecule	Data Source	Type	Result Value	Result Figure	Notes	Reference

Star

Name

DS Tuc A

Distance

44.12 (\pm 0.06)

pc 1 publication

A possibly inflated planet around the bright, young star DS Tuc A

Spectral type

G6V

Apparent magnitude V

9.0

Apparent magnitude I

—

Apparent magnitude J

—

Apparent magnitude H

—

Apparent magnitude K

—

Mass

0.959 (\pm 0.031)

M_Sun 1 publication

A possibly inflated planet around the bright, young star DS Tuc A

Age

0.04 (\pm 5.0)

Gyr 2 publications

A possibly inflated planet around the bright, young star DS Tuc A
A possibly inflated planet around the bright, young star DS Tuc A

Effective temperature

5597.0 (\begin{matrix} + 28.0 \\ - 59.0 \end{matrix})

Radius

0.872 (\pm 0.027)

R_Sun 1 publication

A possibly inflated planet around the bright, young star DS Tuc A

Metallicity [Fe/H]

-0.08 (\pm 0.06)

1 publication

A possibly inflated planet around the bright, young star DS Tuc A

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

23:39:40.0

Dec₂₀₀₀

-69:11:45.0

Alternate Names

HD 222259 A, TOI-200

27 Mar. 2020: DS Tuc A has a 0.84 M_Sun companion star (spT K3V) 237 AUs away.
30 Jul. 2024: An additional companion star, an M dwarf (spT M5V), is detected 113,082 AUs away.

No link

Simbad
Most recent references (ADS)

Planet DS Tuc Ab

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 Some remarks

Other web pages No page

More data 2 references

Planet DS Tuc Ab

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 Some remarks

Other web pages No page

More data 2 references

Related publications

Stellar X-Ray Variability and Planetary Evolution in the DS Tucanae System

Gaia Search for (sub)stellar Companions of Exoplanet Hosts

Multiplicity of stars with planets in the solar neighbourhood

X-ray flares of the young planet host DS Tuc A

The Flaring TESS Objects of Interest: Flare Rates for all Two Minute Cadence TESS Planet Candidates

Constraints on the mass and atmospheric composition and evolution of the low-density young planet DS Tuc A b

Search for (sub)stellar companions of exoplanet hosts by exploring the second ESA-Gaia data release

Characterizing Undetected Stellar Companions with Combined Datasets

Orbital Parameter Determination for Wide Stellar Binary Systems in the Age of Gaia

Constraining the entropy of formation from young transiting planets

A search for young exoplanets in Sectors 1-5 of the TESS Full-Frame-Images

A possibly inflated planet around the bright, young star DS Tuc A

TESS Hunt for Young and Maturing Exoplanets (THYME): A planet in the 45 Myr Tucana-Horologium association

A well aligned orbit for the 45 Myr old transiting Neptune DS Tuc Ab

The Young Planet DS Tuc Ab has a Low Obliquity