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DMPP-4 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/DMPP-4 b

Confirmed exoplanet · Neptune Like

DMPP-4 b

Orbiting DMPP-4

Discovered in 2023 using Radial Velocity. This page reflects the latest synchronized NASA Exoplanet Archive composite record.

NASA Archive record ↗Back to catalog →

Generic neptune like catalog artwork; not a direct image of DMPP-4 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,023
Method: Radial Velocity
Radius: 3.53 R⊕
Mass: 12.2 M⊕
Orbit: 3.4982 days
Distance: 25.3284 pc

Planet profile

Orbit and physical properties

Orbital period: 3.4982 days
Semi-major axis: 0.04853 AU
Eccentricity: 0.063
Radius: 3.53 Earth radii
Mass: 12.2 Earth masses
Mass provenance: Msini
Density: 1.52 g/cm³
Equilibrium temperature: 1,645.69 K
Insolation: 1,222.8464 Earth flux

Host system

Star and system properties

Host star: DMPP-4
Stars in system: 1
Known planets in system: 1
Spectral type: F5-F8 V
Stellar temperature: 6,400 K
Stellar radius: 1.38 R☉
Stellar mass: 1.25 M☉
Stellar metallicity: -0.007 dex
Stellar age: 2.15 Gyr
Distance: 25.3284 parsecs
Right ascension: 19h34m19.84s
Declination: +51d14m08.90s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,023
Publication date: 2023-10
Discovery locale: Multiple Locales
Facility: Multiple Observatories
Telescope: Multiple Telescopes
Instrument: Multiple Instruments
NASA Exoplanet Archive: Open composite record ↗

Visual archive

Gallery

One image from DMPP-4 b.

Generic neptune like catalog artwork; not a direct image of DMPP-4 b — Apex Andromeda catalog artwork