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Showing 1996Show all
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astro-ph1996★ 1 cited
The Mid-Infrared Color of NGC 6946
G. Helou, S. Malhotra, C. A. Beichman +10
We analyze the new mid-infrared maps of NGC 6946 for variations in the color ratio of the 7-to-15 micron emission. Our preliminary findings are that this mid-infrared color is rema…
astro-ph1996
ISOCAM Observations of NGC 6946: Mid-IR Structure
S. Malhotra, G. Helou, D. van Buren +12
The nearby spiral galaxy NGC 6946 was observed with ISO-CAM in the mid-infrared, achieving 7 arcsec resolution and sub-MJy/steradian sensitivity. Images taken with CAM filters LW2…
astro-ph1996
Diffuse Ionized Gas in Spiral Galaxies: Probing Photon Leakage from HII Regions?
Annette M. N. Ferguson, Rosemary F. G. Wyse, J. S. Gallagher +1
As part of a large study to map the distribution of star formation across galactic disks, we have obtained deep Halpha images of the nearby Sculptor Group spirals NGC 247 and NGC 7…