Exoplanet

KELT-4 A b

Orbiting KELT-4 A

Overview

KELT-4 A b is an exoplanet orbiting the star KELT-4 A, discovered in 2016 using the Transit method. It is a Jupiter-sized world.

Key Measurements

Radius

19.04

Earth radii

015 R⊕

Mass

286.68

Earth masses

0500 M⊕

Orbital Period

3.0

days

0.1d10,000d

Distance

218.1

parsecs

Nearby10,000 pc

Equilibrium Temp

1823

K

150 K3,500 K

Radius (Earth radii)

19.04

Mass (Earth masses)

286.68

Measured

Equilibrium Temperature

1823 K

Orbital Period

2.99 days

Distance from Earth

218.1 pc (~711 ly)

Spectral Type

F

Temperature

6206 K

Mass (Solar)

1.20 M☉

Radius (Solar)

1.60 R☉

Luminosity

0.54 log L☉

Planets in System

1

Stars in System

3

Coordinates (RA, Dec)

157.0626°, 25.5731°

Discovery Method

Transit

Discovery Year

2016

Data Sources
NASA Exoplanet Archive

Source ID: KELT-4 A b

System Context

KELT-4 A b orbits KELT-4 A and was reported in 2016 and was detected with the Transit method.

Published measurements list a radius of 19.04 Earth radii, a mass of 286.68 Earth masses, an orbital period of 2.99 days, and an equilibrium temperature near 1,823 K.

Catalog data places the system at about 218.1 parsecs from Earth, a host star classified as F, 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 KELT-4 A