Do the broad emission lines in ARP 102B ARISE in a relativistic disk?

Details Do the broad emission lines in ARP 102B ARISE in a relativistic disk? Do the broad emission lines in ARP 102B ARISE in a relativistic disk?

Sep 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990apj...361...98m&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 361, Sept. 20, 1990, p. 98-100. Research supported by the W. H. Crocker Fun

Astronomy and Astrophysics

Astrophysics

34

Emission Spectra, Line Spectra, Relativistic Effects, Seyfert Galaxies, Active Galactic Nuclei, H Alpha Line, Luminosity, Red Shift, Spectrum Analysis

Scientific paper

It is been proposed by Chen et al. (1989) that the asymmetric double-peaked emission-line profiles observed in Arp 102B arise in a relativistic disk. Here, new data are presented showing that at least at some epochs the long-wavelength side of the line profile is higher than the short-wavelength side, contrary to what is expected from a relativistic disk in which the approaching side of the disk is brighter because of Doppler boosting. Moreover, the two peaks do not vary together in flux as expected if the emission-line variability is attributable to changes in the flux from the central continuum source. It is concluded that an axisymmetric relativistic disk cannot explain the salient features of the line profiles in Arp 102B.

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