Fig. 4 from Distributions of Galaxy Spectral Types in the Sloan Digital Sky Survey

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Distributions of Galaxy Spectral Types in the Sloan Digital Sky Survey

Authors: C. W. Yip, A. J. Connolly, A. S. Szalay, T. Budavári, M. SubbaRao, J. A. Frieman, R. C. Nichol, A. M. Hopkins, D. G. York, S. Okamura, J. Brinkmann, I. Csabai, A. R. Thakar, M. Fukugita, and Ž. Ivezić

Yip et al. 2004 The Astronomical Journal 128 585.

Provider: AAS Journals

Caption: Fig. 4.

Commonality measurement of the subspaces formed by the set of eigenspectra derived using different numbers of observed galaxy spectra where the subspaces are spanned by the first (a) 2, (b) 3, and (c) 10 eigenspectra, respectively. The results show that the eigenspectra sets converge as a function of learning‐set size in the KL gap‐correction formalism.

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