The multifrequency spectrum of the starburst galaxy NGC 2782

Details The multifrequency spectrum of the starburst galaxy NGC 2782 The multifrequency spectrum of the starburst galaxy NGC 2782

Jun 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984pasp...96..398k&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 96, June 1984, p. 398-401. NASA-supported research.

Astronomy and Astrophysics

Astronomy

16

Astronomical Spectroscopy, Emission Spectra, Galactic Nuclei, Spiral Galaxies, Starburst Galaxies, Continuous Spectra, Photoionization, Seyfert Galaxies, Stellar Evolution

Scientific paper

The nuclear region of NGC 2782 has been observed at radio, millimeter, infrared, optical, ultraviolet, and X-ray frequencies to understand the ionization source that gives rise to the narrow emission lines. The continuum is probably caused by a normal galactic population plus considerable numbers of young stars and warm dust. In the ultraviolet and optical spectra, which are powerful diagnostics, no strong lines are detected in the 1200 A-3200 A region aside from L-alpha, and the optical emission lines cover only a narrow ionization range. The line and continuum properties suggest that NGC 2782 is a starburst galaxy, in which young stars photoionize the surrounding gas.

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