Exoplanet

DS Tuc A b

Orbiting DS Tuc A

Overview

DS Tuc A b is an exoplanet orbiting the star DS Tuc A, discovered in 2019 using the Transit method. It is a Neptune-sized world.

Key Measurements

Radius

5.70

Earth radii

015 R⊕

Mass (est.)

29.34

Earth masses

0500 M⊕

Orbital Period

8.1

days

0.1d10,000d

Distance

44.1

parsecs

Nearby10,000 pc

Equilibrium Temp

850

K

150 K3,500 K

Radius (Earth radii)

5.70

Mass (Earth masses)

29.34

Estimated

Equilibrium Temperature

850 K

Orbital Period

8.14 days

Distance from Earth

44.1 pc (~144 ly)

Spectral Type

G6 V

Temperature

5428 K

Mass (Solar)

1.01 M☉

Radius (Solar)

0.96 R☉

Luminosity

-0.14 log L☉

Planets in System

1

Stars in System

2

Coordinates (RA, Dec)

354.9155°, -69.1960°

Discovery Method

Transit

Discovery Year

2019

Data Sources
NASA Exoplanet Archive

Source ID: DS Tuc A b

System Context

DS Tuc A b orbits DS Tuc A and was reported in 2019 and was detected with the Transit method.

Published measurements list a radius of 5.7 Earth radii, a mass of 29.34 Earth masses (estimated), an orbital period of 8.14 days, and an equilibrium temperature near 850 K.

Catalog data places the system at about 44.1 parsecs from Earth, a host star classified as G6 V, and 1 known planet in the system.

Host star

Explore the stellar record for this system to compare temperature, spectral type, and known planets.

Open DS Tuc A