Astronomy and Astrophysics – Astronomy
Scientific paper
May 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992aas...180.5405s&link_type=abstract
American Astronomical Society, 180th AAS Meeting, #54.05; Bulletin of the American Astronomical Society, Vol. 24, p.818
Astronomy and Astrophysics
Astronomy
Scientific paper
We report on several disk galaxies observed in the near infrared J, H, and K bands using the Wyoming Infrared Camera, including NGC 5195, NGC 309, NGC 5383, and NGC 1068. Several galaxies appear considerably different in the infrared then in the optical. We extract the photometric parameters of the galactic components, such as the scale lengths of the disks. The infrared parameters are contrasted with optical parameters from the literature. Estimates of the infrared mass to light ratios are presented in several cases. We also present images of spiral galaxies in log r versus theta coordinates. These coordinates display spiral arms as straight lines, so that the global structure of the density waves is clearly displayed. We interpret our images in terms of the location of resonances.
Spillar Earl J.
Wenz Michael
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