Exoplanet

HAT-P-40 b

Orbiting HAT-P-40

Overview

HAT-P-40 b is an exoplanet orbiting the star HAT-P-40, discovered in 2012 using the Transit method. It is a Jupiter-sized world.

Key Measurements

Radius

17.04

Earth radii

015 R⊕

Mass

152.56

Earth masses

0500 M⊕

Orbital Period

4.5

days

0.1d10,000d

Distance

464.5

parsecs

Nearby10,000 pc

Radius (Earth radii)

17.04

Mass (Earth masses)

152.56

Measured

Equilibrium Temperature

Unknown

Parameter source: Stassun et al. 2017

Orbital Period

4.457+0.0000.000days

Planet Mass (Earth masses)

152.56+41.3241.32

Planet Mass (Jupiter masses)

0.4800+0.13000.1300

Eccentricity

0.0000

Radial Velocity Semi-Amplitude

58.10+2.902.90m/s

Distance from Earth

464.5 pc (~1515 ly)

Spectral Type

Unknown

Temperature

6080 K

Mass (Solar)

1.03 M☉

Radius (Solar)

1.94 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

335.5129°, 45.4573°

Discovery Method

Transit

Discovery Year

2012

Data Sources

Source ID: HAT-P-40 b

System Context

HAT-P-40 b orbits HAT-P-40 and was reported in 2012 and was detected with the Transit method.

Published measurements list a radius of 17.04 Earth radii, a mass of 152.56 Earth masses, and an orbital period of 4.46 days.

Catalog data places the system at about 464.5 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 HAT-P-40