Proxima Centauri c

Proxima Centauri c
Schematic: Orbits of Proxima Centauri d, Proxima Centauri b and Proxima Centauri c around Proxima Centauri
Discovery[1]
Discovered byDamasso et al.
Discovery siteHARPS
Discovery dateJanuary 2020
Radial velocity
Orbital characteristics
1.489±0.049 AU[2]
Eccentricity0.04±0.01[3]
1928±20 d[3]
Inclination133±1[3]
331±1[3]
−4±4[3]
2456202±21[3]
Semi-amplitude1.1±0.2[3]
StarProxima Centauri
Physical characteristics
Mass7±1 ME[3]
Temperature39 K (−234.2 °C; −389.5 °F)[1]

Proxima Centauri c (also called Proxima c[2] or Alpha Centauri Cc) is a controversial[why?][4] exoplanet candidate claimed to be orbiting the red dwarf star Proxima Centauri, which is the closest star to the Sun and part of a triple star system.

  1. ^ a b Cite error: The named reference Damasso2020 was invoked but never defined (see the help page).
  2. ^ a b Cite error: The named reference Kervella2020 was invoked but never defined (see the help page).
  3. ^ a b c d e f g h Cite error: The named reference BenedictMcArthur2020 was invoked but never defined (see the help page).
  4. ^ Cite error: The named reference Artigau2022 was invoked but never defined (see the help page).