Disks in elliptical galaxies

Details Disks in elliptical galaxies Disks in elliptical galaxies

Oct 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990apj...362...52r&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 362, Oct. 10, 1990, p. 52-58.

Statistics

121

Astronomical Photometry, Disk Galaxies, Elliptical Galaxies, Galactic Structure, Luminosity, Charge Coupled Devices, Dynamic Characteristics, Fourier Series, Morphology

Scientific paper

The abundance and strength of disk components in elliptical galaxies are investigated by studying the photometric properties of models containing a spheroidal r exp 1/4-law bulge and a weak exponential disk. 'Pointed' isophotes are observed in a substantial fraction of elliptical galaxies. If these isophote distortions are interpreted in the framework of the present models, then the statistics of observed samples suggest that almost all radio-weak ellipticals could have disks containing roughly 20 percent of the light. It is shown that the 'E5' galaxy NGC 4660 has the photometric signatures of a disk containing a third of the light.

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