spectral classification

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spectral classification [′spek·trəl ‚klas·ə·fə′kā·shən]

(astronomy)

A classification of stars by characteristics revealed by study of their spectra; the six classes B, A, F, G, K, and M include 99% of all known stars.

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No references found			This approach, based on watershed, is composed of a spectral classification to obtain the markers and a vectorial gradient which gives the spatial information. Morphological segmentation of hyperspectral images by Noyel, Guillaume; Angulo, Jesus; Jeulin, Dominique / Image Analysis and Stereology The objective of the project was to determine minimum masses and individual spectral classifications for the two stars in HD100213. Topographic Separation of the Binary Spectra for HD 100213 Tumus by Outz, Cynthia L.; Penny, Lara / Bulletin of the South Carolina Academy of Science The group's 17th session gets under way at Burbage Visitor Centre on Tuesday, September 5, with a presentation by David Conner, of Leicester Astronomical Society, on the spectral classification of stars. Speaker aiming for stars by Coventry Evening Telegraph (England)			SPECSystem SPECT spectacle spectacle bird spectacle frame spectacle stone Spectacled Bear spectacular Spectator spectator ion Spectator, The SPECTEXT Spector Spector, Phil Spectra 70 Spectra Pritchard photometer Spectral Analysis of Linear Operators Spectral Analysis of Speech Sounds spectral approximation Spectral Band Replication spectral bands spectral bandwidth spectral centroid spectral characteristic spectral class spectral classification Spectral Classification of Stars spectral color Spectral Concentration spectral density spectral dimension spectral directional reflectance factor spectral emissivity spectral energy distribution spectral extinction spectral factorization spectral function spectral hygrometer spectral irradiance Spectral Line Spectral Lines, Width of spectral locus spectral luminosity classification Spectral Luminous Efficacy spectral luminous efficiency spectral measure spectral photography spectral power distribution spectral pyrometer spectral radiance spectral radiance factor			Spectral Analysis and Recognition Computer Spectral Analysis Facility Spectral Analysis Laboratory Spectral Analysis of Heart Rate Variability Spectral Analysis of Linear Operators Spectral Analysis of Speech Sounds Spectral Analysis of Surface Waves Spectral Analysis of the Ultrasound Doppler's Signal Spectral and In-Band Radiometric Imaging of Targets and Scenes Spectral and Photometric Imaging Receiver Spectral Angle Mapper spectral approximation Spectral Autocorrelation Peak Valley Ratio Spectral band Spectral band emission Spectral band replication Spectral band replication Spectral bands Spectral bands spectral bandwidth Spectral Bat Spectral centroid Spectral Change Vector Analysis spectral characteristic Spectral class Spectral class Spectral classes Spectral classes spectral classification Spectral Classification of Stars Spectral Classified Vector Quantization spectral color spectral color spectral colour spectral colour Spectral Comparator Facility Spectral Concentration Spectral Data Spectral Data Base System Spectral decomposition Spectral density spectral dimension spectral directional reflectance factor Spectral Domain Analysis Spectral Domain Full-Wave Analysis Spectral Domain Integral Equation Spectral Domain Optical Coherence Tomography spectral Doppler ultrasound Spectral Dyadic Green's Function Spectral edge frequency Spectral Edge Frequency 95 Percentile Spectral efficiency Spectral element method Spectral Element Ocean Model Spectral emissions Spectral emissions

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