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28 relations: Accretion disk, AM Herculis, Binary star, Bremsstrahlung, Cambridge University Press, Cataclysmic variable star, Circular polarization, Dipole, DQ Herculis, Earth's magnetic field, Fourier transform, GK Persei, Helium, Light curve, Magnetic field, Main sequence, Neutron star, Polar (star), Quasi-periodic oscillation, Red dwarf, Shock (mechanics), Sideband, Spectral density, Spectral line, Tesla (unit), Ultraviolet, White dwarf, X-ray.
Accretion disk
An accretion disk is a structure (often a circumstellar disk) formed by diffused material in orbital motion around a massive central body.
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AM Herculis
AM Herculis is a red dwarf variable star located in the constellation Hercules.
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Binary star
A binary star is a star system consisting of two stars orbiting around their common barycenter.
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Bremsstrahlung
Bremsstrahlung, from bremsen "to brake" and Strahlung "radiation"; i.e., "braking radiation" or "deceleration radiation", is electromagnetic radiation produced by the deceleration of a charged particle when deflected by another charged particle, typically an electron by an atomic nucleus.
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Cambridge University Press
Cambridge University Press (CUP) is the publishing business of the University of Cambridge.
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Cataclysmic variable star
Cataclysmic variable stars (CV) are stars which irregularly increase in brightness by a large factor, then drop back down to a quiescent state.
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Circular polarization
In electrodynamics, circular polarization of an electromagnetic wave is a polarization state in which, at each point, the electric field of the wave has a constant magnitude but its direction rotates with time at a steady rate in a plane perpendicular to the direction of the wave.
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Dipole
In electromagnetism, there are two kinds of dipoles.
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DQ Herculis
DQ Herculis (or Nova Herculis 1934) was a slow, bright nova occurring in Hercules in December 1934.
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Earth's magnetic field
Earth's magnetic field, also known as the geomagnetic field, is the magnetic field that extends from the Earth's interior out into space, where it meets the solar wind, a stream of charged particles emanating from the Sun.
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Fourier transform
The Fourier transform (FT) decomposes a function of time (a signal) into the frequencies that make it up, in a way similar to how a musical chord can be expressed as the frequencies (or pitches) of its constituent notes.
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GK Persei
GK Persei (also Nova Persei 1901) was a bright nova occurring in 1901.
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Helium
Helium (from lit) is a chemical element with symbol He and atomic number 2.
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Light curve
In astronomy, a light curve is a graph of light intensity of a celestial object or region, as a function of time.
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Magnetic field
A magnetic field is a vector field that describes the magnetic influence of electrical currents and magnetized materials.
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Main sequence
In astronomy, the main sequence is a continuous and distinctive band of stars that appear on plots of stellar color versus brightness.
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Neutron star
A neutron star is the collapsed core of a large star which before collapse had a total of between 10 and 29 solar masses.
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Polar (star)
A Polar is a highly magnetic type of cataclysmic variable binary star system, originally known as an AM Herculis star after the prototype member AM Herculis.
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Quasi-periodic oscillation
In X-ray astronomy, quasi-periodic oscillation (QPO) is the manner in which the X-ray light from an astronomical object flickers about certain frequencies.
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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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Shock (mechanics)
A mechanical or physical shock is a sudden acceleration caused, for example, by impact, drop, kick, earthquake, or explosion.
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Sideband
In radio communications, a sideband is a band of frequencies higher than or lower than the carrier frequency, containing power as a result of the modulation process.
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Spectral density
The power spectrum S_(f) of a time series x(t) describes the distribution of power into frequency components composing that signal.
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Spectral line
A spectral line is a dark or bright line in an otherwise uniform and continuous spectrum, resulting from emission or absorption of light in a narrow frequency range, compared with the nearby frequencies.
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Tesla (unit)
The tesla (symbol T) is a derived unit of magnetic flux density (informally, magnetic field strength) in the International System of Units.
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Ultraviolet
Ultraviolet (UV) is electromagnetic radiation with a wavelength from 10 nm to 400 nm, shorter than that of visible light but longer than X-rays.
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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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X-ray
X-rays make up X-radiation, a form of electromagnetic radiation.
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DQ Herculis Star, DQ Herculis Variable, DQ Herculis star, DQ Herculis variable, DQ Herculis variables, DQ herculis star, DQ herculis variable, Intermediate Polar, Intermediate Polars, Intermediate polar system, Intermediate polars.
References
[1] https://en.wikipedia.org/wiki/Intermediate_polar
