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Index U (TNO)

U is a possible astronomical body detected by the Atacama Large Millimeter Array (ALMA) during a survey for substellar objects in the Alpha Centauri system. [1]

17 relations: Alpha Centauri, Artifact (error), ArXiv, Astronomical object, Atacama Large Millimeter Array, Brown dwarf, Far infrared, Forbes, Michael E. Brown, Minute and second of arc, Proper motion, Scientific American, Solar System, Standard deviation, Sun, Super-Earth, Trans-Neptunian object.

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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Artifact (error)

In natural science and signal processing, an artifact is any error in the perception or representation of any information, introduced by the involved equipment or technique(s).

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arXiv (pronounced "archive") is a repository of electronic preprints (known as e-prints) approved for publication after moderation, that consists of scientific papers in the fields of mathematics, physics, astronomy, computer science, quantitative biology, statistics, and quantitative finance, which can be accessed online.

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Astronomical object

An astronomical object or celestial object is a naturally occurring physical entity, association, or structure that exists in the observable universe.

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Atacama Large Millimeter Array

The Atacama Large Millimeter/submillimeter Array (ALMA) is an astronomical interferometer of radio telescopes in the Atacama Desert of northern Chile.

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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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Far infrared

Far infrared (FIR) is a region in the infrared spectrum of electromagnetic radiation.

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Forbes is an American business magazine.

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Michael E. Brown

Michael E. Brown (born June 5, 1965) is an American astronomer, who has been professor of planetary astronomy at the California Institute of Technology (Caltech) since 2003.

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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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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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Scientific American

Scientific American (informally abbreviated SciAm) is an American popular science magazine.

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Solar System

The Solar SystemCapitalization of the name varies.

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Standard deviation

In statistics, the standard deviation (SD, also represented by the Greek letter sigma σ or the Latin letter s) is a measure that is used to quantify the amount of variation or dispersion of a set of data values.

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

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A super-Earth is an extrasolar planet with a mass higher than Earth's, but substantially below the masses of the Solar System's ice giants, Uranus and Neptune, which have masses of 15 and 17 times Earth's, respectively.

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Trans-Neptunian object

A trans-Neptunian object (TNO, also written transneptunian object) is any minor planet in the Solar System that orbits the Sun at a greater average distance (semi-major axis) than Neptune, 30 astronomical units (AU).

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[1] https://en.wikipedia.org/wiki/U_(TNO)

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