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List of nearest stars and brown dwarfs and Proxima Centauri

Shortcuts: Differences, Similarities, Jaccard Similarity Coefficient, References.

Difference between List of nearest stars and brown dwarfs and Proxima Centauri

List of nearest stars and brown dwarfs vs. Proxima Centauri

The following two lists include all the known stars and brown dwarfs that are within of the Sun, or were/will be within in the astronomically near past or future. Proxima Centauri, or Alpha Centauri C, is a red dwarf, a small low-mass star, about from the Sun in the constellation of Centaurus.

Similarities between List of nearest stars and brown dwarfs and Proxima Centauri

List of nearest stars and brown dwarfs and Proxima Centauri have 28 things in common (in Unionpedia): Absolute magnitude, Alpha Centauri, Apparent magnitude, Astrometry, Astronomical unit, Brown dwarf, Declination, Epoch (astronomy), Flare star, Hipparcos, Interstellar travel, Milky Way, Minute and second of arc, Monthly Notices of the Royal Astronomical Society, Parallax, Proper motion, Proxima Centauri b, Radial velocity, Red dwarf, Research Consortium On Nearby Stars, Right ascension, Star catalogue, Star system, Stars and planetary systems in fiction, Stellar classification, Stellar kinematics, Sun, White dwarf.

Absolute magnitude

Absolute magnitude is a measure of the luminosity of a celestial object, on a logarithmic astronomical magnitude scale.

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Alpha Centauri

Alpha Centauri (α Centauri, abbreviated Alf Cen or α Cen) is the star system closest to the Solar System, being from the Sun.

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Apparent magnitude

The apparent magnitude of a celestial object is a number that is a measure of its brightness as seen by an observer on Earth.

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Astrometry

Astrometry is the branch of astronomy that involves precise measurements of the positions and movements of stars and other celestial bodies.

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Astronomical unit

The astronomical unit (symbol: au, ua, or AU) is a unit of length, roughly the distance from Earth to the Sun.

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Brown dwarf

Brown dwarfs are substellar objects that occupy the mass range between the heaviest gas giant planets and the lightest stars, having masses between approximately 13 to 75–80 times that of Jupiter, or approximately to about.

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Declination

In astronomy, declination (abbreviated dec; symbol δ) is one of the two angles that locate a point on the celestial sphere in the equatorial coordinate system, the other being hour angle.

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Epoch (astronomy)

In astronomy, an epoch is a moment in time used as a reference point for some time-varying astronomical quantity, such as the celestial coordinates or elliptical orbital elements of a celestial body, because these are subject to perturbations and vary with time.

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Flare star

A flare star is a variable star that can undergo unpredictable dramatic increases in brightness for a few minutes.

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Hipparcos

Hipparcos was a scientific satellite of the European Space Agency (ESA), launched in 1989 and operated until 1993.

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Interstellar travel

Interstellar travel is the term used for hypothetical crewed or uncrewed travel between stars or planetary systems.

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Milky Way

The Milky Way is the galaxy that contains our Solar System.

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Minute and second of arc

A minute of arc, arcminute (arcmin), arc minute, or minute arc is a unit of angular measurement equal to of one degree.

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Monthly Notices of the Royal Astronomical Society

Monthly Notices of the Royal Astronomical Society (MNRAS) is a peer-reviewed scientific journal covering research in astronomy and astrophysics.

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Parallax

Parallax is a displacement or difference in the apparent position of an object viewed along two different lines of sight, and is measured by the angle or semi-angle of inclination between those two lines.

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Proper motion

Proper motion is the astronomical measure of the observed changes in the apparent places of stars or other celestial objects in the sky, as seen from the center of mass of the Solar System, compared to the abstract background of the more distant stars.

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Proxima Centauri b

Proxima Centauri b (also called Proxima b or Alpha Centauri Cb) is an exoplanet orbiting within the habitable zone of the red dwarf star Proxima Centauri, which is the closest star to the Sun and part of a triple star system.

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Radial velocity

The radial velocity of an object with respect to a given point is the rate of change of the distance between the object and the point.

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Red dwarf

A red dwarf (or M dwarf) is a small and relatively cool star on the main sequence, of M spectral type.

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Research Consortium On Nearby Stars

The REsearch Consortium On Nearby Stars (RECONS) is an international group of astronomers founded in 1994 to investigate the stars nearest to the Solar System - with a focus on those within 10 parsecs (32.6 light years), but as of 2012 stretching the horizon to 25 parsecs.

List of nearest stars and brown dwarfs and Research Consortium On Nearby Stars · Proxima Centauri and Research Consortium On Nearby Stars · See more »

Right ascension

Right ascension (abbreviated RA; symbol) is the angular distance measured only eastward along the celestial equator from the Sun at the March equinox to the (hour circle of the) point above the earth in question.

List of nearest stars and brown dwarfs and Right ascension · Proxima Centauri and Right ascension · See more »

Star catalogue

A star catalogue (Commonwealth English) or star catalog (American English), is an astronomical catalogue that lists stars.

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Star system

A star system or stellar system is a small number of stars that orbit each other, bound by gravitational attraction.

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Stars and planetary systems in fiction

The planetary systems of stars other than the Sun and the Solar System are a staple element in many works of the science fiction genre.

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Stellar classification

In astronomy, stellar classification is the classification of stars based on their spectral characteristics.

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Stellar kinematics

In astronomy, stellar kinematics is the observational study or measurement of the kinematics or motions of stars through space.

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Sun

The Sun is the star at the center of the Solar System.

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White dwarf

A white dwarf, also called a degenerate dwarf, is a stellar core remnant composed mostly of electron-degenerate matter.

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The list above answers the following questions

List of nearest stars and brown dwarfs and Proxima Centauri Comparison

List of nearest stars and brown dwarfs has 140 relations, while Proxima Centauri has 165. As they have in common 28, the Jaccard index is 9.18% = 28 / (140 + 165).

References

This article shows the relationship between List of nearest stars and brown dwarfs and Proxima Centauri. To access each article from which the information was extracted, please visit:

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