Variability of the BL Lacertae objects PKS 2155 - 304 and OJ 287 in the far-ultraviolet

Details Variability of the BL Lacertae objects PKS 2155 - 304 and OJ 287 in the far-ultraviolet Variability of the BL Lacertae objects PKS 2155 - 304 and OJ 287 in the far-ultraviolet

May 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986apj...304..637m&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 304, May 15, 1986, p. 637-645.

Astronomy and Astrophysics

Astrophysics

33

Bl Lacertae Objects, Far Ultraviolet Radiation, Galactic Nuclei, Periodic Variations, Spectrum Analysis, Ultraviolet Spectra, Active Galactic Nuclei, Astronomical Models, Continuous Spectra, Emission Spectra, Iue, Radiant Flux Density, Spectral Energy Distribution

Scientific paper

All the ultraviolet spectra of the two bright BL Lacertae objects PKS 2155 - 304 and OJ 287 taken with the International Ultraviolet Explorer in the period 1978-1984 are examined. For each spectrum the best-fitting power law is determined and a correlation between spectral slope and intensity is searched for. The correlation, if present, is weak. This is discussed in terms of models of the continuum emission of active galactic nuclei.

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