Other
Scientific paper
Sep 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981apj...248..472y&link_type=abstract
Astrophysical Journal, Part 1, vol. 248, Sept. 1, 1981, p. 472-484.
Other
46
Emission Spectra, Galactic Nuclei, H Lines, Light Curve, Spectral Energy Distribution, Balmer Series, Line Spectra, Luminous Intensity, Spectrophotometry, Visible Spectrum
Scientific paper
Multichannel spectrophotometry data acquired from 1969 to 1980 are used to study the absolute energy distribution and emission line variability of the N galaxies 3C 382 and 3C 390.3. It is shown that: (1) the continuum spectra can be decomposed into a nuclear nonthermal component of constant spectral shape and a constant elliptical galaxy component; (2) apparent visual magnitudes within a 10 arcsec aperture are derived for underlying galaxies, 3C 382 being 15.27 and 3C 390.3, 16.04; (3) forbidden lines and narrow Balmer lines do not change with the central continuum, but (4) the intensity variations of the broad Balmer lines are correlated nonlinearly with changes in the luminosity of the central continuum source. This correlation can be explained by a time-lag effect if there are two components of broad-line emission, one varying on a time scale of a few months and the other over a few years.
Oke Bev J.
Yee Howard K. C.
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