Physics
Scientific paper
May 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987nascp2466..515j&link_type=abstract
Star formation in galaxies, Proceedings of a conference at the California Institute of Technology, Pasadena, California, June 16
Physics
Galactic Structure, Infrared Imagery, Interacting Galaxies, Near Infrared Radiation, Stellar Color, Stellar Luminosity, Stellar Spectra, Interstellar Extinction, Nebulae, Radio Emission, Ring Galaxies, Star Formation, Thermal Radiation
Scientific paper
As part of an investigation of the physical mechanisms which produce large infrared luminosities in interacting systems, multicolor near-infrared maps were obtained of the long tailed galaxy NGC 2623 and the ring galaxy Arp 148. The near-infrared broadband spectrum was decomposed to obtain the contribution of four processes: emission from evolved stars, nebular continuum emission, thermal reradiation, and extinction. This multicolor analysis, along with 2 micrometer maps and 10 micrometer measurements, is used to determine the structure of these interacting galaxies and to delineate regions of star formation.
Harvey Paul Michael
Joy Marshall
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