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20 relations: Ambipolar diffusion, Chemically peculiar star, Chromium, Delta Scuti, Dipole, Doppler imaging, Europium, Gauss (unit), Interstellar medium, Magnetic field, Neodymium, Photometry (astronomy), Praseodymium, Przybylski's Star, Radial velocity, Rapidly oscillating Ap star, Spectroscopy, Stellar classification, Strontium, Tesla (unit).
Ambipolar diffusion
Ambipolar diffusion is diffusion of positive and negative species with opposite electrical charge due to their interaction via an electric field.
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Chemically peculiar star
In astrophysics, chemically peculiar stars (CP stars) are stars with distinctly unusual metal abundances, at least in their surface layers.
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Chromium
Chromium is a chemical element with symbol Cr and atomic number 24.
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Delta Scuti
Delta Scuti (δ Sct, δ Scuti) is a giant star in the southern constellation Scutum.
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Dipole
In electromagnetism, there are two kinds of dipoles.
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Doppler imaging
Inhomogeneous structures on stellar surfaces, i.e. temperature differences, chemical composition or magnetic fields, create characteristic distortions in the spectral lines due to the Doppler effect.
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Europium
Europium is a chemical element with symbol Eu and atomic number 63.
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Gauss (unit)
The gauss, abbreviated as G or Gs, is the cgs unit of measurement of magnetic flux density (or "magnetic induction") (B).
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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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Magnetic field
A magnetic field is a vector field that describes the magnetic influence of electrical currents and magnetized materials.
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Neodymium
Neodymium is a chemical element with symbol Nd and atomic number 60.
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Photometry (astronomy)
Photometry is a technique of astronomy concerned with measuring the flux, or intensity of an astronomical object's electromagnetic radiation.
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Praseodymium
Praseodymium is a chemical element with symbol Pr and atomic number 59.
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Przybylski's Star
Przybylski's Star, or HD 101065, is a rapidly oscillating Ap star that is located at a distance of roughly from the Sun in the southern constellation of Centaurus.
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Radial velocity
The radial velocity of an object with respect to a given point is the rate of change of the distance between the object and the point.
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Rapidly oscillating Ap star
Rapidly oscillating Ap stars (roAp stars) are a subtype of the Ap star class that exhibit short-timescale rapid photometric or radial velocity variations.
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Spectroscopy
Spectroscopy is the study of the interaction between matter and electromagnetic radiation.
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Stellar classification
In astronomy, stellar classification is the classification of stars based on their spectral characteristics.
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Strontium
Strontium is the chemical element with symbol Sr and atomic number 38.
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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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AP star, Ap and Bp star, Ap and bp star, Ap star, Ap/Bp star, Bp star, Oblique rotator theory of Ap stars, Peculiar A-type star, Silicon star.
