Thick and thin disk structural parameters in edge-on spiral galaxies

Details Thick and thin disk structural parameters in edge-on spiral galaxies Thick and thin disk structural parameters in edge-on spiral galaxies

Dec 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aas...201.1316y&link_type=abstract

American Astronomical Society, 201st AAS Meeting, #13.16; Bulletin of the American Astronomical Society, Vol. 34, p.1117

Astronomy and Astrophysics

Astronomy

Scientific paper

We analyze the global structure of 47 extremely late-type edge-on unwarped, bulgeless disk galaxies spanning a wide range of mass. The radial and vertical scale parameters for both thick and thin disks are obtained by two-dimensional least-squares fitting on our B, R, and Ks-band photometry. We find that the radial scale lengths of the thick disks are uncorrelated with that of the embedded thin disks. The total luminosity of the low-mass galaxies is dominated by the thick disk, while more massive galaxies' luminosities are thin disk dominated.

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