Near Infrared Surface Photometry and Morphology in Virgo Cluster Spiral Galaxy Nuclear Regions.

Details Near Infrared Surface Photometry and Morphology in Virgo Cluster Spiral Galaxy Nuclear Regions. Near Infrared Surface Photometry and Morphology in Virgo Cluster Spiral Galaxy Nuclear Regions.

Jan 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995phdt.........5r&link_type=abstract

Thesis (PH.D.)--THE UNIVERSITY OF CHICAGO, 1995.Source: Dissertation Abstracts International, Volume: 56-03, Section: B, page: 1

Astronomy and Astrophysics

Astronomy

Scientific paper

This paper was published in the April 1995 Astronomical Journal as: Rauscher, B. J. 1995, "Near Infrared Surface Photometry and Morphology in Virgo Cluster Spiral Galaxy Nuclear Regions." The journal article contains color plates. The reader is strongly encouraged to read the journal article. This paper presents very high spatial resolution (seeing 0.75 arcsec FWHM) K band surface photometry of 15 Virgo cluster spiral galaxy nuclear regions (radii < 1 Kpc). It presents B and I band CCD images of 13 of these galaxies. The goals of the study were: (1) to begin to establish a K band baseline of normal spiral galaxy nuclear regions against which peculiar galaxies may be compared, (2) to provide better constraints on N-body models, and (3) to complement near infrared studies of large scale structure in spiral galaxies with very high resolution imaging of the important nuclear regions. The principal findings are: (1) between 1/4 and 1/3 of these nuclear regions show K band evidence of triaxiality, (2) approximately 1/2 of these galaxies have axisymmetric nuclear regions, and (3) NGC 4321 has a bar that is not detectable in the optical images.

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