An Extended Scheme of Spectral Classification for Objective Prism Spectra

P. Hantzios,E. Kontizas,M. Kontizas,A. Dapergolas,F. Pasian,R. Smareglia

doi:10.1007/978-94-011-1146-1_52

An Extended Scheme of Spectral Classification for Objective Prism Spectra

P. Hantzios, E. Kontizas + Show 4 more

https://doi.org/10.1007/978-94-011-1146-1_52

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Publication Date: Jan 1, 1994

Citations: 1

Affiliation: National Observatory of Athens, National and Kapodistrian University of Athens, Trieste Astronomical Observatory

#Luminosity Class #Spectral Classification Scheme + Show 8 more

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Abstract

A spectral classification scheme has been developed for objective prism spectra of LMC stars, taken with the 1.2 m UK Schmidt Telescope in Australia. Various line ratios, discontinuities, and continuum intensities have been used as criteria. The scheme is a 2-D system (spectral type — luminosity class), and the criteria are given in graphical form. The typical accuracy of our scheme is 2 subdivisions of spectral type. Comparison of our types with those given by other authors for common stars yields a very good correlation with deviations within our accuracy.

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