K-Band observations of barred spiral galaxies.

Details K-Band observations of barred spiral galaxies. K-Band observations of barred spiral galaxies.

Sep 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997aj....114..965r&link_type=abstract

The Astronomical Journal, v. 114, p. 965.

Astronomy and Astrophysics

Astronomy

48

Galaxies: Spiral, Galaxies: Structure, Galaxies: Kinematics And Dynamics

Scientific paper

Observations in K band are used to investigate the bar and arm structures in the central regions of ten nearby barred southern spiral galaxies. Bar-interbar contrasts increase with radius for all galaxies. Arm-interarm contrasts reach a peak in mid-disk, where the m=2 Fourier components also peak. Isophotal twists are observed in half of the flat-barred galaxies, but in none of the exponential-barred galaxies. In all galaxies, the ellipticities reach a maximum at bar's end. Flat bars have a constant width with radius and a constant luminosity per unit length.

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