The structure of the broad-line region in the Seyfert galaxy Markarian 590
1993; IOP Publishing; Volume: 402; Linguagem: Inglês
10.1086/172150
ISSN1538-4357
AutoresB. M. Peterson, B. Ali, K. Horne, R. Bertram, N. J. Lame, Richard W. Pogge, R. M. Wagner,
Tópico(s)Stellar, planetary, and galactic studies
Resumoview Abstract Citations (55) References (34) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS The Structure of the Broad-Line Region in the Seyfert Galaxy Markarian 590 Peterson, Bradley M. ; Ali, Babar ; Horne, Keith ; Bertram, Ray ; Lame, Nancy J. ; Pogge, Richard W. ; Wagner, R. M. Abstract We have undertaken a nine-month study of continuum and emission-line variability in the Seyfert galaxy Mrk 590 in order to determine the structure of the broad-line region. The Hβ variations are found to lag behind those of the optical continuum by about 19 days. We apply a maximum entropy method to solve for the transfer function which relates the line and continuum variability. This analysis suggests that there is a deficit of emission-line response due to gas along the line of sight to the continuum source, as in the case of NGC 5548, although these data do not allow us to reject with confidence models with significant line-of- sight response. We also show that the Hη line variability is apparently confined to the core of the emission line, as suggested previously by Ferland, Korista, and Peterson. Publication: The Astrophysical Journal Pub Date: January 1993 DOI: 10.1086/172150 Bibcode: 1993ApJ...402..469P Keywords: Active Galactic Nuclei; Markarian Galaxies; Seyfert Galaxies; Spectral Line Width; Astronomical Spectroscopy; Emission Spectra; H Beta Line; Maximum Entropy Method; Astrophysics; GALAXIES: INDIVIDUAL NAME: MARKARIAN 590; GALAXIES: SEYFERT; GALAXIES: QUASARS: EMISSION LINES; GALAXIES: ACTIVE full text sources ADS | data products SIMBAD (4) NED (1)
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