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Luminous infrared galaxy

Index Luminous infrared galaxy

Luminous infrared galaxies or LIRGs are galaxies with luminosities, the measurement of brightness, above. [1]

44 relations: Active galactic nucleus, Arp 220, Bulge (astronomy), Chandra, Classical mechanics, Declination, Eddington luminosity, Elliptical galaxy, Far infrared, FSC15307+3253, Galaxy, Galaxy merger, GALEX, Gravitational lens, Great Observatories program, Hubble Space Telescope, Infrared, Interstellar medium, IRAS, Low-ionization nuclear emission-line region, Luminosity, NASA, Netherlands, Netherlands Agency for Aerospace Programmes, NGC 5010, NGC 6240, Quasar, Right ascension, Science and Engineering Research Council, Science Daily, Seyfert galaxy, Spiral galaxy, Spitzer, Star, Star formation, Starburst galaxy, Thermal radiation, United Kingdom, United States, Visible spectrum, Wavelength, Wide-field Infrared Survey Explorer, WISE J224607.57-052635.0, ZW II 96.

Active galactic nucleus

An active galactic nucleus (AGN) is a compact region at the center of a galaxy that has a much higher than normal luminosity over at least some portion—and possibly all—of the electromagnetic spectrum, with characteristics indicating that the excess luminosity is not produced by stars.

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Arp 220

Arp 220 is the result of a collision between two galaxies which are now in the process of merging.

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Bulge (astronomy)

In astronomy, a bulge is a tightly packed group of stars within a larger formation.

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Chandra

Chandra (चन्द्र, IAST: Candra, lit. "shining" or "moon")Graha Sutras By Ernst Wilhelm, Published by Kala Occult Publishers p.51 is a lunar deity and is also one of the nine planets (Navagraha) in Hinduism.

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Classical mechanics

Classical mechanics describes the motion of macroscopic objects, from projectiles to parts of machinery, and astronomical objects, such as spacecraft, planets, stars and galaxies.

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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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Eddington luminosity

The Eddington luminosity, also referred to as the Eddington limit, is the maximum luminosity a body (such as a star) can achieve when there is balance between the force of radiation acting outward and the gravitational force acting inward.

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Elliptical galaxy

An elliptical galaxy is a type of galaxy having an approximately ellipsoidal shape and a smooth, nearly featureless image.

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Far infrared

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

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FSC15307+3253

FSC15307+3253 (or IRAS F15307+3252) is an ultraluminous infrared galaxy (ULIRG), with a luminosity between 8 and 1000 µm of approximately 2 L⊙, possibly the largest known at this time.

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Galaxy

A galaxy is a gravitationally bound system of stars, stellar remnants, interstellar gas, dust, and dark matter.

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Galaxy merger

Galaxy mergers can occur when two (or more) galaxies collide.

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GALEX

The Galaxy Evolution Explorer (GALEX) is an orbiting ultraviolet space telescope launched on April 28, 2003, and operated until early 2012.

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Gravitational lens

A gravitational lens is a distribution of matter (such as a cluster of galaxies) between a distant light source and an observer, that is capable of bending the light from the source as the light travels towards the observer.

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Great Observatories program

NASA's series of Great Observatories satellites are four large, powerful space-based astronomical telescopes.

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Hubble Space Telescope

The Hubble Space Telescope (HST) is a space telescope that was launched into low Earth orbit in 1990 and remains in operation.

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Infrared

Infrared radiation (IR) is electromagnetic radiation (EMR) with longer wavelengths than those of visible light, and is therefore generally invisible to the human eye (although IR at wavelengths up to 1050 nm from specially pulsed lasers can be seen by humans under certain conditions). It is sometimes called infrared light.

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Interstellar medium

In astronomy, the interstellar medium (ISM) is the matter and radiation that exists in the space between the star systems in a galaxy.

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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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Low-ionization nuclear emission-line region

A low-ionization nuclear emission-line region (LINER) is a type of galactic nucleus that is defined by its spectral line emission.

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Luminosity

In astronomy, luminosity is the total amount of energy emitted per unit of time by a star, galaxy, or other astronomical object.

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NASA

The National Aeronautics and Space Administration (NASA) is an independent agency of the executive branch of the United States federal government responsible for the civilian space program, as well as aeronautics and aerospace research.

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Netherlands

The Netherlands (Nederland), often referred to as Holland, is a country located mostly in Western Europe with a population of seventeen million.

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Netherlands Agency for Aerospace Programmes

The Netherlands Agency for Aerospace Programmes (in Dutch language, Nederlands Instituut voor Vliegtuigontwikkeling en Ruimtevaart (NIVR)) was the official space-exploration agency of the Dutch government until 2009.

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NGC 5010

NGC 5010 is a lenticular galaxy located about 140 million light years away, in the constellation Virgo.

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NGC 6240

NGC 6240 is a nearby ultraluminous infrared galaxy (ULIRG) in the constellation Ophiuchus.

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Quasar

A quasar (also known as a QSO or quasi-stellar object) is an extremely luminous active galactic nucleus (AGN).

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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.

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Science and Engineering Research Council

The Science and Engineering Research Council (SERC) was the UK agency in charge of publicly funded scientific and engineering research activities, including astronomy, biotechnology and biological sciences, space research and particle physics, between 1965 and 1994.

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Science Daily

Science Daily is an American website that aggregates press releases and publishes lightly edited press releases (a practice called churnalism) about science, similar to Phys.org and EurekAlert!.

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Seyfert galaxy

Seyfert galaxies are one of the two largest groups of active galaxies, along with quasars.

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Spiral galaxy

Spiral galaxies form a class of galaxy originally described by Edwin Hubble in his 1936 work The Realm of the Nebulae(pp. 124–151) and, as such, form part of the Hubble sequence.

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Spitzer

Spitzer is a surname.

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Star

A star is type of astronomical object consisting of a luminous spheroid of plasma held together by its own gravity.

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Star formation

Star formation is the process by which dense regions within molecular clouds in interstellar space, sometimes referred to as "stellar nurseries" or "star-forming regions", collapse and form stars.

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Starburst galaxy

A starburst galaxy is a galaxy undergoing an exceptionally high rate of star formation, as compared to the long-term average rate of star formation in the galaxy or the star formation rate observed in most other galaxies.

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Thermal radiation

Thermal radiation is electromagnetic radiation generated by the thermal motion of charged particles in matter.

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United Kingdom

The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain,Usage is mixed with some organisations, including the and preferring to use Britain as shorthand for Great Britain is a sovereign country in western Europe.

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United States

The United States of America (USA), commonly known as the United States (U.S.) or America, is a federal republic composed of 50 states, a federal district, five major self-governing territories, and various possessions.

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Visible spectrum

The visible spectrum is the portion of the electromagnetic spectrum that is visible to the human eye.

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Wavelength

In physics, the wavelength is the spatial period of a periodic wave—the distance over which the wave's shape repeats.

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Wide-field Infrared Survey Explorer

Wide-field Infrared Survey Explorer (WISE) is a NASA infrared-wavelength astronomical space telescope launched in December 2009, and placed in hibernation in February 2011.

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WISE J224607.57-052635.0

WISE J224607.57-052635.0 is an Extremely Luminous Infrared Galaxy (ELIRG) which, in 2015, was announced as the most luminous galaxy in the Universe.

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ZW II 96

The object ZW II 96 (also II Zw 96) is a pair of galaxies that are merging.

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Redirects here:

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References

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

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