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W Aquilae

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W Aquilae (W Aql / SAO 143184 / GC 2525) is a variable star in the constellation of Aquila. [1]

26 relations: Absolute magnitude, American Association of Variable Star Observers, Aquila (constellation), Astronomy & Astrophysics, Astrophysical maser, Atacama Large Millimeter Array, Constellation, IRAS, Kelvin, Light-year, Mira, Mira variable, Periodic table, Planets beyond Neptune, Red giant, S-type star, Silicon monoxide, Solar mass, Solar radius, Solar System, Stellar classification, Technetium, Tycho-2 Catalogue, Variable star, Variable star designation, 2MASS.

Absolute magnitude

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

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American Association of Variable Star Observers

Since its founding in 1911, the American Association of Variable Star Observers (AAVSO) has coordinated, collected, evaluated, analyzed, published, and archived variable star observations made largely by amateur astronomers and makes the records available to professional astronomers, researchers, and educators.

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Aquila (constellation)

Aquila is a constellation on the celestial equator.

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Astronomy & Astrophysics

Astronomy & Astrophysics is a peer-reviewed scientific journal covering theoretical, observational, and instrumental astronomy and astrophysics.

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Astrophysical maser

An astrophysical maser is a naturally occurring source of stimulated spectral line emission, typically in the microwave portion of the electromagnetic spectrum.

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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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Constellation

A constellation is a group of stars that are considered to form imaginary outlines or meaningful patterns on the celestial sphere, typically representing animals, mythological people or gods, mythological creatures, or manufactured devices.

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IRAS

The Infrared Astronomical Satellite (IRAS) was the first-ever space telescope to perform a survey of the entire night sky at infrared wavelengths.

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Kelvin

The Kelvin scale is an absolute thermodynamic temperature scale using as its null point absolute zero, the temperature at which all thermal motion ceases in the classical description of thermodynamics.

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Light-year

The light-year is a unit of length used to express astronomical distances and measures about 9.5 trillion kilometres or 5.9 trillion miles.

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Mira

Mira, alternatively designated Omicron Ceti (ο Ceti, abbreviated Omicron Cet, ο Cet) is a red giant star estimated to be 200–400 light years from the Sun in the constellation of Cetus.

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Mira variable

Mira variables ("Mira", Latin, adj. - feminine form of adjective "wonderful"), named for the prototype star Mira, are a class of pulsating variable stars characterized by very red colours, pulsation periods longer than 100 days, and amplitudes greater than one magnitude in infrared and 2.5 magnitude at visual wavelengths.

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Periodic table

The periodic table is a tabular arrangement of the chemical elements, ordered by their atomic number, electron configuration, and recurring chemical properties, whose structure shows periodic trends.

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Planets beyond Neptune

Following the discovery of the planet Neptune in 1846, there was considerable speculation that another planet might exist beyond its orbit.

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Red giant

A red giant is a luminous giant star of low or intermediate mass (roughly 0.3–8 solar masses) in a late phase of stellar evolution.

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S-type star

An S-type star (or just S star) is a cool giant with approximately equal quantities of carbon and oxygen in its atmosphere.

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Silicon monoxide

Silicon monoxide is the chemical compound with the formula SiO where silicon is present in the oxidation state +2.

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Solar mass

The solar mass is a standard unit of mass in astronomy, equal to approximately.

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Solar radius

Solar radius is a unit of distance used to express the size of stars in astronomy.

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Solar System

The Solar SystemCapitalization of the name varies.

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Stellar classification

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

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Technetium

Technetium is a chemical element with symbol Tc and atomic number 43.

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Tycho-2 Catalogue

The Tycho-2 Catalogue is an astronomical catalogue of more than 2.5 million of the brightest stars.

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Variable star

A variable star is a star whose brightness as seen from Earth (its apparent magnitude) fluctuates.

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Variable star designation

Variable stars are designated using a variation on the Bayer designation format of an identifying label (as described below) combined with the Latin genitive of the name of the constellation in which the star lies.

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2MASS

The Two Micron All-Sky Survey, or 2MASS, was an astronomical survey of the whole sky in the infrared spectrum and one of the most ambitious such projects.

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References

[1] https://en.wikipedia.org/wiki/W_Aquilae

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