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Proxima Centauri c

Proxima Centauri c (also called Proxima c or Alpha Centauri Cc) is a disputed exoplanet candidate, proposed to be orbiting the red dwarf star Proxima Centauri, which is the closest star to the Sun and part of a triple star system. It is located approximately 4.2 light-years (1.3 parsecs; 40 trillion kilometres; 25 trillion miles) from Earth in the…

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Detection method
Radial velocity
Discovered by
Damasso et al.
Discovery date
January 2020
Discovery site
HARPS
Eccentricity
0.04±0.01
Inclination
133±1

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Proxima Centauri c

Nodes33
Edges32
Triples15
Avg. degree1.94
Density0.060606
Components1

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Proxima Centauri c

Top relations

Detection method · 1
Proxima Centauri c → Radial velocity
Discovered by · 1
Proxima Centauri c → Damasso et al.
Discovery date · 1
Proxima Centauri c → January 2020
Discovery site · 1
Proxima Centauri c → HARPS
Eccentricity · 1
Proxima Centauri c → 0.04±0.01
Inclination · 1
Proxima Centauri c → 133±1
Longitude of ascending node · 1
Proxima Centauri c → 331±1
Longitude of periastron · 1
Proxima Centauri c → −4±4
Mass · 1
Proxima Centauri c → 7±1 M🜨
Orbital period (sidereal) · 1
Proxima Centauri c → 1928±20 d

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Important terminology

proxima centauri planet mass also proposed system 2020 star discovery candidate orbiting would closest detection radial velocity exoplanet earth references

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Proxima Centauri cDetection methodRadial velocity1.00infobox
Proxima Centauri cDiscovered byDamasso et al.1.00infobox
Proxima Centauri cDiscovery dateJanuary 20201.00infobox
Proxima Centauri cDiscovery siteHARPS1.00infobox
Proxima Centauri cEccentricity0.04±0.011.00infobox
Proxima Centauri cInclination133±11.00infobox
Proxima Centauri cLongitude of ascending node331±11.00infobox
Proxima Centauri cLongitude of periastron−4±41.00infobox
Proxima Centauri cMass7±1 M🜨1.00infobox
Proxima Centauri cOrbital period (sidereal)1928±20 d1.00infobox
Proxima Centauri cSemi-amplitude1.1±0.21.00infobox
Proxima Centauri cSemi-major axis1.489±0.049 AU1.00infobox
Proxima Centauri cStarProxima Centauri1.00infobox
Proxima Centauri cTemperature39 K (−234.2 °C; −389.5 °F)1.00infobox
Proxima Centauri cTime of periastron2456202±211.00infobox

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