Exoplanet

GJ 3473 c

Orbiting GJ 3473

Overview

GJ 3473 c is an exoplanet orbiting the star GJ 3473, discovered in 2020 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

7.41

Earth masses

0500 M⊕

Orbital Period

15.5

days

0.1d10,000d

Distance

27.4

parsecs

Nearby10,000 pc

Equilibrium Temp

329

K

150 K3,500 K

Radius (Earth radii)

Unknown

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

7.41

Radial-velocity minimum

Equilibrium Temperature

329 K

Parameter source: Kemmer et al. 2020

Orbital Period

15.509+0.0330.033days

Semi-Major Axis

0.0876+0.00350.0034au

M sin(i) (Earth masses)

7.41+0.910.86

M sin(i) (Jupiter masses)

0.0233+0.00290.0027

Eccentricity

0.0000

Radial Velocity Semi-Amplitude

3.75+0.450.42m/s

Distance from Earth

27.4 pc (~89 ly)

Spectral Type

Unknown

Temperature

3347 K

Mass (Solar)

0.36 M☉

Radius (Solar)

0.36 R☉

Luminosity

-1.82 log L☉

Planets in System

2

Stars in System

2

Coordinates (RA, Dec)

120.5936°, 3.3372°

Discovery Method

Radial Velocity

Discovery Year

2020

Data Sources

Source ID: GJ 3473 c

System Context

GJ 3473 c orbits GJ 3473 and was reported in 2020 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 7.41 Earth masses (M sin i), an orbital period of 15.51 days, and an equilibrium temperature near 329 K.

Catalog data places the system at about 27.4 parsecs from Earth and 2 known planets in the system.

Host star

Explore the stellar record for this system to compare temperature, spectral type, and known planets.

Open GJ 3473

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