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Sunyaev–Zel'dovich effect

Index Sunyaev–Zel'dovich effect

The Sunyaev–Zel'dovich effect (named after Rashid Sunyaev and Yakov B. Zel'dovich and often abbreviated as the SZ effect) is the distortion of the cosmic microwave background radiation (CMB) through inverse Compton scattering by high energy electrons in galaxy clusters, in which the low energy CMB photons receive an average energy boost during collision with the high energy cluster electrons. [1]

32 relations: Angular diameter distance, Arcminute Microkelvin Imager, Astrophysics, Atacama Cosmology Telescope, Atacama Pathfinder Experiment, Background radiation, Cavendish Astrophysics Group, Cosmic microwave background, Electromagnetic spectrum, Electron, Ethan Vishniac, Galaxy cluster, Hubble's law, Jeremiah P. Ostriker, Kinematics, MACS J0717.5+3745, Monthly Notices of the Royal Astronomical Society, Multipole expansion, Observable universe, Owens Valley Radio Observatory, Photon, Physical cosmology, Planck (spacecraft), Polarization (waves), Rashid Sunyaev, Ryle Telescope, South Pole Telescope, Sunyaev–Zel'dovich Array, Thermal, Wilkinson Microwave Anisotropy Probe, Yakov Borisovich Zel'dovich, Yoel Rephaeli.

Angular diameter distance

The angular diameter distance is a distance measure used in astronomy.

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Arcminute Microkelvin Imager

The Arcminute Microkelvin Imager (AMI) consists of a pair of interferometric radio telescopes - the Small and Large Arrays - located at the Mullard Radio Astronomy Observatory near Cambridge.

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Astrophysics

Astrophysics is the branch of astronomy that employs the principles of physics and chemistry "to ascertain the nature of the astronomical objects, rather than their positions or motions in space".

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Atacama Cosmology Telescope

The Atacama Cosmology Telescope (ACT) is a six-metre telescope on Cerro Toco in the Atacama Desert in the north of Chile, near the Llano de Chajnantor Observatory.

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Atacama Pathfinder Experiment

The Atacama Pathfinder Experiment (APEX) is a radio telescope 5,100 meters above sea level, at the Llano de Chajnantor Observatory in the Atacama desert in northern Chile, 50 km east of San Pedro de Atacama built and operated by 3 European research institutes.

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Background radiation

Background radiation is a measure of the ionizing radiation present in the environment at a particular location which is not due to deliberate introduction of radiation sources.

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Cavendish Astrophysics Group

The Cavendish Astrophysics Group (formerly the Radio Astronomy Group) is based at the Cavendish Laboratory at the University of Cambridge.

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Cosmic microwave background

The cosmic microwave background (CMB, CMBR) is electromagnetic radiation as a remnant from an early stage of the universe in Big Bang cosmology.

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Electromagnetic spectrum

The electromagnetic spectrum is the range of frequencies (the spectrum) of electromagnetic radiation and their respective wavelengths and photon energies.

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Electron

The electron is a subatomic particle, symbol or, whose electric charge is negative one elementary charge.

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Ethan Vishniac

Ethan Tecumseh Vishniac (born 1955) is an American astrophysicist.

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Galaxy cluster

A galaxy cluster, or cluster of galaxies, is a structure that consists of anywhere from hundreds to thousands of galaxies that are bound together by gravity with typical masses ranging from 1014–1015 solar masses.

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Hubble's law

Hubble's law is the name for the observation in physical cosmology that.

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Jeremiah P. Ostriker

Jeremiah Paul "Jerry" Ostriker (born April 13, 1937) is an astrophysicist and a professor of astronomy at Columbia University and is the Charles A. Young Professor Emeritus at Princeton where he also continues as a Senior Research Scholar.

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Kinematics

Kinematics is a branch of classical mechanics that describes the motion of points, bodies (objects), and systems of bodies (groups of objects) without considering the mass of each or the forces that caused the motion.

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MACS J0717.5+3745

MACS J0717.5+3745 (MACS J0717 or MACS 0717 for short) is a large galaxy cluster located 5.4 billion light years away in the constellation Auriga, appearing in the MAssive Cluster Survey (MACS).

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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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Multipole expansion

A multipole expansion is a mathematical series representing a function that depends on angles—usually the two angles on a sphere.

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Observable universe

The observable universe is a spherical region of the Universe comprising all matter that can be observed from Earth at the present time, because electromagnetic radiation from these objects has had time to reach Earth since the beginning of the cosmological expansion.

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Owens Valley Radio Observatory

Owens Valley Radio Observatory (OVRO) is a radio astronomy observatory located near Big Pine, California (US) in Owens Valley.

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Photon

The photon is a type of elementary particle, the quantum of the electromagnetic field including electromagnetic radiation such as light, and the force carrier for the electromagnetic force (even when static via virtual particles).

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Physical cosmology

Physical cosmology is the study of the largest-scale structures and dynamics of the Universe and is concerned with fundamental questions about its origin, structure, evolution, and ultimate fate.

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Planck (spacecraft)

Planck was a space observatory operated by the European Space Agency (ESA) from 2009 to 2013, which mapped the anisotropies of the cosmic microwave background (CMB) at microwave and infra-red frequencies, with high sensitivity and small angular resolution.

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Polarization (waves)

Polarization (also polarisation) is a property applying to transverse waves that specifies the geometrical orientation of the oscillations.

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Rashid Sunyaev

Rashid Alievich Sunyaev (Рәшит Гали улы Сөнәев, Раши́д Али́евич Сюня́ев; born 1 March 1943 in Tashkent, USSR) is a Soviet and Russian astrophysicist of Tatar descent.

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Ryle Telescope

The Ryle Telescope (named after Martin Ryle, and formerly known as the 5-km Array) was a linear east-west radio telescope array at the Mullard Radio Astronomy Observatory.

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South Pole Telescope

The South Pole Telescope (SPT) is a 10 meter (394 in) diameter telescope located at the Amundsen–Scott South Pole Station, Antarctica.

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Sunyaev–Zel'dovich Array

The Sunyaev–Zel'dovich Array (SZA) in California is an array of eight 3.5 meter telescopes that is now operating as part of the Combined Array for Research in Millimeter-wave Astronomy (CARMA).

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Thermal

A thermal column (or thermal) is a column of rising air in the lower altitudes of Earth's atmosphere, a form of atmospheric updraft.

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Wilkinson Microwave Anisotropy Probe

The Wilkinson Microwave Anisotropy Probe (WMAP), originally known as the Microwave Anisotropy Probe (MAP), was a spacecraft operating from 2001 to 2010 which measured temperature differences across the sky in the cosmic microwave background (CMB) – the radiant heat remaining from the Big Bang.

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Yakov Borisovich Zel'dovich

Yakov Borisovich Zel’dovich (Я́каў Бары́савіч Зяльдо́віч, Я́ков Бори́сович Зельдо́вич; 8 March 1914 – 2 December 1987), also known as YaB, was a Soviet physicist of Belarusian Jewish ethnicity, who is known for his prolific contributions in cosmology and the physics of thermonuclear and hydrodynamical phenomena.

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Yoel Rephaeli

Yoel Rephaeli is an Israeli-American cosmologist.

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References

[1] https://en.wikipedia.org/wiki/Sunyaev–Zel'dovich_effect

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