Titlebook: New Extragalactic Perspectives in the New South Africa; Proceedings of the I David L. Block,J. Mayo Greenberg Conference proceedings 1996 K

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Distribution and Content of Dust in Overlapping Galaxy Systemsally projected against background galaxies. The non-overlapping regions of partially overlapping galaxies can be used to reconstruct, using purely differential photometry, how much light from the background galaxy is lost in passing through the foreground galaxy in the overlap region.

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Evolution and Emission of Cold, Warm and Hot Dust Populations in Diffuse and Molecular Cloudsst in molecular and diffuse clouds. The temperatures characteristic of the “large” tenth micron core-mantle particles, which dominate the mass of the dust and the extinction in the visual, are calculated. For typical situations the tenth micron particle temperatures range from 6 K to 15 K in cool mo

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New Extragalactic Perspectives in the New South AfricaProceedings of the I

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Changing Perceptions of the Morphology and Dust Content in Galaxiesn spiral arms themselves be dark, but the effective dust albedo at K’ in the spiral arms of galaxies can be as high as 0.9 (we derive this result for the M51 arm [dust screen] juxtaposed against the background companion NGC 5195). We conclude the review by discussing the unambiguous detection of dus

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The Interstellar Medium as Observed by COBEkbody. The spectrum of the CMBR differs from a blackbody by less than 0.03%. The FIRAS observed interstellar dust, showing that up to three different temperatures of dust are needed to explain the spectra. It also measured the emission of CO, [C I], [C II], and [N II], tracing several distinct phase

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Optical and Infrared Images of Galaxies: What’s to be Learned?nd dynamical evolution on observations of distant galaxies can be better predicted. This review will give examples of applications of multicolor galaxy surveys and show some results from a partially completed OSU survey of ∼230 spiral galaxies in .. A new technique developed to detect dynamical stru