Exoplanet

G 9-40 b

Orbiting G 9-40

Overview

G 9-40 b is an exoplanet orbiting the star G 9-40, discovered in 2019 using the Transit method. It is a Super-Earth world.

Key Measurements

Radius

1.90

Earth radii

015 R⊕

Mass

4.00

Earth masses

0500 M⊕

Orbital Period

5.7

days

0.1d10,000d

Distance

27.9

parsecs

Nearby10,000 pc

Equilibrium Temp

441

K

150 K3,500 K

Radius (Earth radii)

1.90

Mass (Earth masses)

4.00

Measured

Equilibrium Temperature

441 K

Orbital Period

5.75 days

Distance from Earth

27.9 pc (~91 ly)

Spectral Type

Unknown

Temperature

3395 K

Mass (Solar)

0.30 M☉

Radius (Solar)

0.30 R☉

Luminosity

-1.96 log L☉

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

134.7189°, 21.0748°

Discovery Method

Transit

Discovery Year

2019

Data Sources

Source ID: G 9-40 b

System Context

G 9-40 b orbits G 9-40 and was reported in 2019 and was detected with the Transit method.

Published measurements list a radius of 1.9 Earth radii, a mass of 4 Earth masses, an orbital period of 5.75 days, and an equilibrium temperature near 441 K.

Catalog data places the system at about 27.9 parsecs from Earth 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 G 9-40