Abstract
view Abstract Citations (23) References (26) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Far-ultraviolet dust opacity and photoionization in quasi-stellar objects Martin, P. G. ; Ferland, G. J. Abstract The effects of dust within the broad-line emission region of QSOs by incorporating a realistic grain opacity which decreases with energy in the ionizing continuum are examined. Any changes in the ionization structure therefore reflect the effective hardening of the continuum. The magnitude of structural changes in QSOs is probably small, although some changes might be introduced if there is significant depletion of carbon into small particles. Some effects of dust in explaining anomalies in H II regions are also discussed. Publication: The Astrophysical Journal Pub Date: February 1980 DOI: 10.1086/183174 Bibcode: 1980ApJ...235L.125M Keywords: Cosmic Dust; Interstellar Matter; Opacity; Photoionization; Quasars; Ultraviolet Absorption; Absorption Cross Sections; Emission Spectra; Far Ultraviolet Radiation; H Ii Regions; Astrophysics full text sources ADS |
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