Skip to content

Missions Planets Black Holes 3D Map Agencies Blog About Sign in

Menu

Missions Planets Black Holes 3D Map Agencies Blog About Sign in

Acquiring mission data

Missions Planets Black Holes 3D Map Agencies Blog About apexandromeda.com

This is an independent informational project and is not affiliated with, endorsed by, or sponsored by NASA, ESA, JAXA, Roscosmos, CNSA, ISRO, CSA, or any other space agency. Agency names, logos, and other marks are used for identification where permitted by their respective usage policies.

A passion project from the team behind Apex Rental Pro.

KELT-4 A b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/KELT-4 A b

Confirmed exoplanet · Gas Giant

KELT-4 A b

Orbiting KELT-4 A

Discovered in 2016 using Transit. This page reflects the latest synchronized NASA Exoplanet Archive composite record.

NASA Archive record ↗Back to catalog →

Generic gas giant catalog artwork; not a direct image of KELT-4 A b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,016
Method: Transit
Radius: 19.044091 R⊕
Mass: 286.68266 M⊕
Orbit: 2.989593 days
Distance: 218.05 pc

Planet profile

Orbit and physical properties

Orbital period: 2.989593 days
Semi-major axis: 0.04317 AU
Eccentricity: 0
Radius: 19.044091 Earth radii
Mass: 286.68266 Earth masses
Mass provenance: Mass
Density: 0.228 g/cm³
Equilibrium temperature: 1,823 K
Insolation: 1,840 Earth flux

Host system

Star and system properties

Host star: KELT-4 A
Stars in system: 3
Known planets in system: 1
Spectral type: F
Stellar temperature: 6,206 K
Stellar radius: 1.603 R☉
Stellar mass: 1.201 M☉
Stellar metallicity: -0.116 dex
Stellar age: 4.44 Gyr
Distance: 218.05 parsecs
Right ascension: 10h28m15.03s
Declination: +25d34m23.29s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,016
Publication date: 2016-02
Discovery locale: Ground
Facility: KELT
Telescope: Mamiya 645 80mm f/1.9
Instrument: Apogee 4K CCD Sensor
NASA Exoplanet Archive: Open composite record ↗

Community discussion

Comments 0

No comments yet. The airlock is open.

Sign in or create an account to comment and vote.