Exoplanet

HATS-4 b

Orbiting HATS-4

Overview

HATS-4 b is an exoplanet orbiting the star HATS-4, discovered in 2014 using the Transit method. It is a Jupiter-sized world.

Key Measurements

Radius

11.43

Earth radii

015 R⊕

Mass

420.47

Earth masses

0500 M⊕

Orbital Period

2.5

days

0.1d10,000d

Distance

416.5

parsecs

Nearby10,000 pc

Equilibrium Temp

1315

K

150 K3,500 K

Radius (Earth radii)

11.43

Mass (Earth masses)

420.47

Measured

Equilibrium Temperature

1315 K

Parameter source: Jordan et al. 2014

Orbital Period

2.517+0.000−0.000days

Semi-Major Axis

0.0362+0.0002−0.0002au

Planet Mass (Earth masses)

420.47+8.90−8.90

Planet Mass (Jupiter masses)

1.3230+0.0280−0.0280

Eccentricity

0.0130+0.0160−0.0160

Argument of Periastron

275.0+98.0−98.0deg

Radial Velocity Semi-Amplitude

197.50+3.20−3.20m/s

Distance from Earth

416.5 pc (~1358 ly)

Spectral Type

G

Temperature

5403 K

Mass (Solar)

1.00 M☉

Radius (Solar)

0.93 R☉

Luminosity

-0.19 log L☉

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

94.1121°, -22.5469°

Discovery Method

Transit

Discovery Year

2014

Data Sources
NASA Exoplanet Archive

Source ID: HATS-4 b

System Context

HATS-4 b orbits HATS-4 and was reported in 2014 and was detected with the Transit method.

Published measurements list a radius of 11.43 Earth radii, a mass of 420.47 Earth masses, an orbital period of 2.52 days, and an equilibrium temperature near 1,315 K.

Catalog data places the system at about 416.5 parsecs from Earth, a host star classified as G, 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 HATS-4