Proxima Centauri d

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Explore the main themes, entities and connections around Proxima Centauri d. Start with the topic map, then use the sections below for research and deeper semantic analysis.

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Characteristics

Sub-Earth M🜨Mars Barnard's Star e Equilibrium temperature

17 related topics

Overview

Exoplanet Red dwarf Proxima Centauri Sun Alpha Centauri

11 related topics

Key facts & relationships

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Detection method: Radial velocity
Discovery date: February 2022
Discovery site: VLT-ESPRESSO
Eccentricity: low[a]
Mass: ≥0.260±0.038 M🜨
Mean radius: ~0.81±0.08 R🜨 (predicted)

Topics to explore

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Overview

Characteristics

Sub-Earth
M🜨 Earth mass
Mars
Barnard's Star e
Equilibrium temperature Planetary equilibrium temperature
Reflectivity Bond albedo
Radial velocity method
Minimum mass
Orbital inclination
ESPRESSO
2σ level 68–95–99.7 rule
HARPS
La Silla Observatory
NIRPS ESO 3.6 m Telescope
Magnetic fields Magnetosphere
That of Earth Earth's magnetic field
YZ Ceti b

Advanced semantic analysis

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Map overview Semantic statistics

Nodes31

Edges30

Triples11

Avg. degree1.94

Density0.064516

Components1

How this topic connects Entity context

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Proxima Centauri d

Top relations

Detection method · 1

Proxima Centauri d → Radial velocity

Discovery date · 1

Proxima Centauri d → February 2022

Discovery site · 1

Proxima Centauri d → VLT-ESPRESSO

Eccentricity · 1

Proxima Centauri d → low[a]

Mass · 1

Proxima Centauri d → ≥0.260±0.038 M🜨

Mean radius · 1

Proxima Centauri d → ~0.81±0.08 R🜨 (predicted)

Orbital period (sidereal) · 1

Proxima Centauri d → 5.12338±0.00035 d

Semi-amplitude · 1

Proxima Centauri d → 0.392±0.057 m/s

Semi-major axis · 1

Proxima Centauri d → 0.02881±0.00017 AU

Star · 1

Proxima Centauri d → Proxima Centauri

Important terminology Word statistics

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

proxima exoplanet centauri star radial velocity mass 2022 confirmed system also detected known 2025 closest signal method orbital alpha february

Entity relationships Subject–Predicate–Object triples

Subject	Predicate	Object	Confidence	Src
Proxima Centauri d	Detection method	Radial velocity	1.00	infobox
Proxima Centauri d	Discovery date	February 2022	1.00	infobox
Proxima Centauri d	Discovery site	VLT-ESPRESSO	1.00	infobox
Proxima Centauri d	Eccentricity	low[a]	1.00	infobox
Proxima Centauri d	Mass	≥0.260±0.038 M🜨	1.00	infobox
Proxima Centauri d	Mean radius	~0.81±0.08 R🜨 (predicted)	1.00	infobox
Proxima Centauri d	Orbital period (sidereal)	5.12338±0.00035 d	1.00	infobox
Proxima Centauri d	Semi-amplitude	0.392±0.057 m/s	1.00	infobox
Proxima Centauri d	Semi-major axis	0.02881±0.00017 AU	1.00	infobox
Proxima Centauri d	Star	Proxima Centauri	1.00	infobox
Proxima Centauri d	Temperature	.mw-parser-output .tooltip-dotted{border-bottom:1px dotted;cursor:help}360 K (87 °C; 188 °F)	1.00	infobox

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