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Ultraviolet and Multiwavelength Variability of the Blazar 3C 279: Evidence for Thermal Emission

  • Authors: E. Pian, C. M. Urry, L. Maraschi, G. Madejski, I. M. McHardy, A. Koratkar, A. Treves, L. Chiappetti, P. Grandi, R. C. Hartman, H. Kubo, C. M. Leach, J. E. Pesce, C. Imhoff, R. Thompson, and A. E. Wehrle

Pian et al. 1999 The Astrophysical Journal 521 112.

  • Provider: AAS Journals

Caption: Fig. 5.

Amplitude of the discrete correlation function (Edelson & Krolik 1988) between the ROSAT count rates and spectral slopes. The positive time lag corresponds to spectral index changes trailing those of the emission.

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