- spectral class
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A classification of stars depending on their spectra and luminosity; usually one of O, B, A, F, G, K, M.
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spectral class
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spectral class — spectral class, any one of the classes into which stars are divided on the basis of their spectra. Spectral classes range from very hot blue stars to very cool red stars … Useful english dictionary
spectral class — spektrinė klasė statusas T sritis fizika atitikmenys: angl. spectral class vok. spektrale Klasse, f rus. спектральный класс, m pranc. classe spectrale, f; type spectral, m … Fizikos terminų žodynas
spectral type — Astron. a category for classifying a star, as A star or G star, according to features of its spectrum, as its shape as a function of temperature and wavelength and its absorption spectrum, that indicate the surface temperature of the star and the … Universalium
Spectral method — Spectral methods are a class of techniques used in applied mathematics and scientific computing to numerically solve certain Dynamical Systems, often involving the use of the Fast Fourier Transform. Where applicable, spectral methods have… … Wikipedia
Spectral layout — is a class of algorithm for drawing graphs. The layout uses the eigenvectors of a matrix, such as the Laplace matrix of the graph … Wikipedia
Spectral theorem — In mathematics, particularly linear algebra and functional analysis, the spectral theorem is any of a number of results about linear operators or about matrices. In broad terms the spectral theorem provides conditions under which an operator or a … Wikipedia
G class — or Class G may refer to: Locomotives NZR G class, a type of steam locomotive used in New Zealand V/Line G class, a class of diesel electric locomotives G601 class and G611 class, two types of diesel locomotives collectively known as G Class… … Wikipedia
type spectral — spektrinė klasė statusas T sritis fizika atitikmenys: angl. spectral class vok. spektrale Klasse, f rus. спектральный класс, m pranc. classe spectrale, f; type spectral, m … Fizikos terminų žodynas
Cohen's class distribution function — For many years, signal analysis in both time and frequency domain has enjoyed high degree of popularity. The time frequency analysis techniques are especially effective in analyzing non stationary signals, whose frequency distribution and… … Wikipedia
Asteroid spectral types — Asteroids are assigned a type based on spectral shape, color, and sometimes albedo. These types are thought to correspond to an asteroid s surface composition. For small bodies which are not internally differentiated, the surface and internal… … Wikipedia
