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2004MNRAS.354.1065K - Mon. Not. R. Astron. Soc., 354, 1065-1092 (2004/November-2)
The buried Balmer-edge signatures from quasars.
KISHIMOTO M., ANTONUCCI R., BOISSON C. and BLAES O.
Abstract (from CDS):
As the broad emission lines are essentially unpolarized and the polarization is confined only to the continuum in the five quasars including Ton202 in both epochs, the polarized flux is considered to originate interior to the broad emission-line region. The Balmer edge feature seen in the polarized flux is most simply interpreted as an intrinsic spectral feature of the quasar ultraviolet/optical continuum, or the `Big Blue Bump' emission. In this case, the edge feature seen in absorption indeed indicates the thermal and optically thick nature of the continuum emitted. However, we also discuss other possible interpretations.
Abstract Copyright: 2004 RAS
Journal keyword(s): accretion, accretion discs - polarization - radiation mechanisms: general - galaxies: active - quasars: general
CDS comments: Table 4: Pn23s1-15 = [RRW93] Pn23s1-15 in SIMBAD.
Simbad objects: 32
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