Exoplanet

KELT-19 A b

Orbiting KELT-19 A

Overview

KELT-19 A b is an exoplanet orbiting the star KELT-19 A, discovered in 2017 using the Transit method. It is a Jupiter-sized world.

Key Measurements

Radius

21.41

Earth radii

015 R⊕

Mass

1293.57

Earth masses

0500 M⊕

Orbital Period

4.6

days

0.1d10,000d

Distance

300.3

parsecs

Nearby10,000 pc

Equilibrium Temp

1935

K

150 K3,500 K

Radius (Earth radii)

21.41

Mass (Earth masses)

1293.57

Measured

Equilibrium Temperature

1935 K

Orbital Period

4.61 days

Distance from Earth

300.3 pc (~979 ly)

Spectral Type

A8 V

Temperature

7500 K

Mass (Solar)

1.62 M☉

Radius (Solar)

1.83 R☉

Luminosity

0.98 log L☉

Planets in System

1

Stars in System

2

Coordinates (RA, Dec)

111.5095°, 7.6158°

Discovery Method

Transit

Discovery Year

2017

Data Sources
NASA Exoplanet Archive

Source ID: KELT-19 A b

System Context

KELT-19 A b orbits KELT-19 A and was reported in 2017 and was detected with the Transit method.

Published measurements list a radius of 21.41 Earth radii, a mass of 1,293.57 Earth masses, an orbital period of 4.61 days, and an equilibrium temperature near 1,935 K.

Catalog data places the system at about 300.3 parsecs from Earth, a host star classified as A8 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 KELT-19 A