Proxima Centauri


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Related to Proxima Centauri: Betelgeuse, Barnard's Star, Alpha Centauri

Proxima Centauri:

see Alpha CentauriAlpha Centauri
, brightest star in the constellation Centaurus and 3d-brightest star in the sky; also known as Rigil Kent or Rigil Kentaurus; 1992 position R.A. 14h39.1m, Dec. −60°49'. Its apparent magnitude is −0.26.
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Proxima Centauri

(proks -ă-mă sen-tor -ÿ, -ee) (V645 Cen) The nearest known star to the Sun. It is a flare star located in the constellation Centaurus and is a component of the Alpha Centauri system, about 2°.2 from α Cen. Although very faint, it is an intense source of low-energy X-rays and high-energy ultraviolet – i.e. XUV wavelengths. mv : 11.05 (var.); Mv : 15.5; spectral type: M5.5 Ve; mass: 0.1 times solar mass; distance: 1.29 pc. (4.2 l.y.).

Proxima Centauri

 

the star closest to our solar system; located 1.31 parsecs away, in the constellation Centaurus. Proxima Centauri is an eruptive variable star with a visual magnitude of 11. Together with the bright star α Centauri, which is located 0.02 parsec farther away, it constitutes a binary system.

Proxima Centauri

[′präk·sə·mə sen′tȯr·ē]
(astronomy)
The star that is the sun's nearest neighbor; stellar magnitude is ll, and it is 2° from the bright star α Centauri.
References in periodicals archive ?
Proxima Centauri, a red dwarf star, is the smallest of the three stars in the Alpha Centauri system about four light-years away, and it also hosts an exoplanet called Proxima b.
Dust appears to lie in a belt that extends a few hundred million kilometres from Proxima Centauri and has a total mass of about one hundredth of the Earth's mass.
If the planet transits, it would block a smidgen of starlight from reaching Earth, subtly dimming Proxima Centauri.
24, 2016, astronomers announced the intriguing discovery of a nearly Earth-sized planet in the habitable zone orbiting the star Proxima Centauri.
Proxima Centauri is a red dwarf star, located around four light years away from us.
Proxima Centauri is part of a triple system of stars in the constellation of Centaurus.
But because Proxima Centauri is a dim red dwarf star radiating much less heat than the Sun, it still occupies the "habitable zone" where temperatures are mild enough to permit liquid surface water.
He believes that starship could record images and data as it nears the red dwarf Proxima Centauri, the nearest to Earth.
THE nearest star, not counting our own sun, is one called Proxima Centauri.
This week, Proxima Centauri says you'll buy a new hat.
A fast spacecraft can reach the Moon in seven hours, but it would take it 100,000 years to get to Proxima Centauri.
southern stars and constellations, including data on all the brightest stars, a brief guide to pronouncing star names and charts for locating Proxima Centauri and Sirius' companion;