Steps toward determination of the size and structure of the broad-line region in active galactic nuclei. I-an 8 month campaign of monitoring NGC 5548 with IUE
J Clavel, GA Reichert, D Alloin… - … Journal, Part 1 …, 1991 - adsabs.harvard.edu
… devoted to the spectrophotometric monitoring of active galaxies (see, eg, the review … region
in active galaxies and quasars, and in particular on the geometry and the ionization structure …
in active galaxies and quasars, and in particular on the geometry and the ionization structure …
Steps toward determination of the size and structure of the broad-line region in active galactic nuclei. II-an intensive study of NGC 5548 at optical wavelengths
BM Peterson, TJ Balonek, ES Barker… - The Astrophysical …, 1991 - dash.harvard.edu
… Variability of the continuum and emission lines in active galactic nuclei (AGNs) is a well-…
it may be possible to determine the size and structure of the broad-line region (BLR) from the …
it may be possible to determine the size and structure of the broad-line region (BLR) from the …
Steps toward determination of the size and structure of the broad-Line region in active galactic nuclei. IX. Ultraviolet observations of fairall 9
PM Rodriguez-Pascual, D Alloin, J Clavel… - The Astrophysical …, 1997 - iopscience.iop.org
… ionization-stratified broad-line region. In this case, the results are less certain, since none of
the emission-line lags are very well determined. The best-determined emission line lag is Ly …
the emission-line lags are very well determined. The best-determined emission line lag is Ly …
Steps toward determination of the size and structure of the broad-line region in active galactic nuclei. XVI. A 13 year study of spectral variability in NGC 5548
BM Peterson, P Berlind, R Bertram… - The Astrophysical …, 2002 - iopscience.iop.org
… prediction between the size of the broad-line region and the ionizing luminosity, r / L 1=2 …
the broad-line region (BLR) is arguably one of the major remaining mysteries in active galactic …
the broad-line region (BLR) is arguably one of the major remaining mysteries in active galactic …
Steps toward determination of the size and structure of the broad-line region in active galactic nuclei. VIII. An intensive HST, IUE, and ground-based study of NGC …
KT Korista, DM Alloin, P Barr, J Clavel… - … 97, no. 2 (Apr. 1995), p …, 1995 - lume.ufrgs.br
… of Seyfert galaxies over extended periods has proved to be a powerful way to unravel the
structure and physical conditions of the broad-line region (BLR) in active galactic nuclei (AGNs)…
structure and physical conditions of the broad-line region (BLR) in active galactic nuclei (AGNs)…
Steps toward determination of the size and structure of the broad-line region in active galactic nuclei. XIV. Intensive optical spectrophotometric observations of NGC …
We present results of an intensive 2 month campaign of ground-based spectrophotometric
monitoring of the Seyfert 1 galaxy NGC 7469, with a temporal resolution ≲ 1 day. The broad H …
monitoring of the Seyfert 1 galaxy NGC 7469, with a temporal resolution ≲ 1 day. The broad H …
Steps toward determination of the size and structure of the broad-line region in active galactic nuclei. XII. Ground-based monitoring of 3C 390.3
M Dietrich, BM Peterson, P Albrecht… - The Astrophysical …, 1998 - iopscience.iop.org
… excellent tool to investigate the innermost region of active galactic nuclei (AGNs). Detailed
… about the size, structure, and dynamics of the broad-line region (BLR) in these sources (see …
… about the size, structure, and dynamics of the broad-line region (BLR) in these sources (see …
Steps toward determination of the size and structure of the broad-line region in active galactic nuclei. XI. Intensive monitoring of the ultraviolet spectrum of NGC 7469
I Wanders, BM Peterson, D Alloin… - The Astrophysical …, 1997 - iopscience.iop.org
… lines of active galactic nuclei (AGNs) have established that they respond to changes in the
continuum —ux. This provides strong evidence for photoionization of the broadline region (…
continuum —ux. This provides strong evidence for photoionization of the broadline region (…
Steps toward determination of the size and structure of the broad-line region in active galactic nuclei. VI. Variability of NGC 3783 from ground-based data
GM Stirpe - arXiv preprint astro-ph/9311002, 1993 - arxiv.org
… The continuum measurements include a contribution from the underlying galaxy, … : the
galaxy has an apparent diameter of ∼ 2 arcmin, while the broad-line region (BLR) and the region …
galaxy has an apparent diameter of ∼ 2 arcmin, while the broad-line region (BLR) and the region …
Steps toward determination of the size and structure of the broad-line region in active galactic nuclei. XIII. Ultraviolet observations of the broad-line radio galaxy 3C …
PT O'Brien, M Dietrich, K Leighly, D Alloin… - The Astrophysical …, 1998 - iopscience.iop.org
… The broad-line region (BLR) gas in active galactic nuclei (AGN) is believed to be … It is now
well established that determining the variability characteristics of AGN provides an invaluable …
well established that determining the variability characteristics of AGN provides an invaluable …