Exoplanet

DMPP-4 b

Orbiting DMPP-4

Overview

DMPP-4 b is an exoplanet orbiting the star DMPP-4, discovered in 2023 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

12.20

Earth masses

0500 M⊕

Orbital Period

3.5

days

0.1d10,000d

Distance

25.3

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

Minimum Mass, M sin(i) (Earth masses)

12.20

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Barnes et al. 2023

Orbital Period

3.498+0.0020.233days

Semi-Major Axis

0.0485+0.00040.0020au

M sin(i) (Earth masses)

12.20+1.801.90

M sin(i) (Jupiter masses)

0.0384+0.00570.0060

Eccentricity

<0.063

Argument of Periastron

200.0+110.0130.0deg

Radial Velocity Semi-Amplitude

4.43+0.660.69m/s

Distance from Earth

25.3 pc (~83 ly)

Spectral Type

F5-F8 V

Temperature

6400 K

Mass (Solar)

1.25 M☉

Radius (Solar)

1.38 R☉

Luminosity

0.46 log L☉

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

293.5827°, 51.2358°

Discovery Method

Radial Velocity

Discovery Year

2023

Data Sources

Source ID: DMPP-4 b

System Context

DMPP-4 b orbits DMPP-4 and was reported in 2023 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 12.2 Earth masses (M sin i) and an orbital period of 3.5 days.

Catalog data places the system at about 25.3 parsecs from Earth, a host star classified as F5-F8 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 DMPP-4
DMPP-4 b