Abstract
view Abstract Citations (68) References (8) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Photoelectric Spectrophotometry of OQ 172 and OH 471 Oke, J. B. Abstract Absolute spectral energy distributions for the large-redshift quasars OQ 172 and OH 471 are discussed along with similar data for two other quasars: 4C 05.34 and PHL 957. If the redshifts are assumed to be cosmological, OQ 172 and OH 471 are not as luminous as PHL 957. If these quasars are basically similar and if radiative processes dominate, the strength of La and the behavior of the continuum at the Lyman limit strongly suggest that these objects consist of a central ionizing source surrounded by discrete clouds, filaments, or a gaseous structure such as a disk. This gaseous matter does not cover the whole solid angle surrounding the source. Subject headings: quasi-stellar sources - spectrophotometry Publication: The Astrophysical Journal Pub Date: April 1974 DOI: 10.1086/181461 Bibcode: 1974ApJ...189L..47O full text sources ADS |
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