Browsing FAS Scholarly Articles by Keyword "galaxies : individual (NGC 5548)"

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    • Steps toward Determination of the Size and Structure of the Broad‐Line Region in Active Galactic Nuclei. XV. Long‐Term Optical Monitoring of NGC 5548 

      Peterson, B. M.; Barth, A. J.; Berlind, P.; Bertram, R.; Bischoff, K.; Bochkarev, N. G.; Burenkov, A. N.; Cheng, F.‐Z.; Dietrich, M.; Filippenko, A. V.; Giannuzzo, E.; Ho, L. C.; Huchra, J; Hunley, J.; Kaspi, S.; Kollatschny, W.; Leonard, D. C.; Malkov, Yu. F.; Matheson, T.; Mignoli, M.; Nelson, B.; Papaderos, P.; Peters, J.; Pogge, R. W.; Pronik, V. I.; Sergeev, S. G.; Sergeeva, E. A.; Shapovalova, A. I.; Stirpe, G. M.; Tokarz, S.; Wagner, R. M.; Wanders, I.; Wei, J.‐Y.; Wilkes, Belinda Jane; Wu, H.; Xue, S.‐J.; Zou, Z.‐L. (IOP Publishing, 1999)
      We present the results of 3 yr of ground-based observations of the Seyfert 1 galaxy NGC 5548, which, combined with previously reported data, yield optical continuum and broad-line Hβ light curves for a total of 8 yr. The ...