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 ?
Finder chart for locating Proxima Centauri, a red dwarf star of magnitude +11.1.
Proxima Centauri is a roughly 40 trillion kilometer jaunt (SN Online: 8/25/16).
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.
This week, Proxima Centauri says you'll buy a new hat.
Proxima Centauri, the second-closest star, is 4.24 light-years away.
the closest known star - Proxima Centauri is projected to be 4.2 light years away.
RATING: 4/5 PROXIMA by Stephen Baxter(Gollancz, PS20, ebook PS6.49) PROXIMA CENTAURI is the nearest star to our Sun, and this uneven novel weaves its story around three rag-tag attempts to establish the first human presence on one of its planets.
While the newly discovered planet circles Alpha Centauri B, it's part of a system of three stars: Alpha Centauri A, B and the slightly more distant Proxima Centauri. Systems with two or more stars are more common than single stars like our sun, astronomers say.
or Arizona) describes how the universe began, beginning with the Moon, then Jupiter and its moons, the outer solar system, the star system Proxima Centauri, the Orion nebula, and the Milky Way.
The Observatory had just re-opened after a multi-million dollar refurbishment, and by the door of the gift shop they saw a model of Proxima Centauri, the nearest star to the Sun, with an information plaque indicating that this was one component of a huge scale model of the solar system.