Fig. 14 from Spectral Variability of Quasars in the Sloan Digital Sky Survey. I. Wavelength Dependence

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Spectral Variability of Quasars in the Sloan Digital Sky Survey. I. Wavelength Dependence

Authors: Brian C. Wilhite, Daniel E. Vanden Berk, Richard G. Kron, Donald P. Schneider, Nicholas Pereyra, Robert J. Brunner, Gordon T. Richards, and Jonathan V. Brinkmann

Wilhite et al. 2005 The Astrophysical Journal 633 638.

Provider: AAS Journals

Caption: Fig. 14.

Color difference between bright‐ and faint‐phase composite spectra as a function of redshift. Bright‐phase quasars are bluer at most redshifts in all colors. Peaks and valleys are due to emission lines being redshifted into and out of filter transmission curves.

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