The submillimetre and millimetre spectrum of NGC 5128

Details The submillimetre and millimetre spectrum of NGC 5128 The submillimetre and millimetre spectrum of NGC 5128

Dec 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984mnras.211..543c&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 211, Dec. 1, 1984, p. 543-547. Research supported by th

Astronomy and Astrophysics

Astronomy

11

Astronomical Spectroscopy, Elliptical Galaxies, Galactic Structure, Millimeter Waves, Submillimeter Waves, Cosmic Dust, Emission Spectra, Jeans Theory, Nonthermal Radiation, Star Distribution, Stellar Evolution, Synchrotron Radiation, Thermal Radiation

Scientific paper

The authors' observations define the millimetre and submillimetre spectrum of the central 80 arcsec of NGC 5128 and show that in the submillimetre region the spectrum displays a radical departure from what, at longer wavelengths, appears to be non-thermal synchrotron emission. The observed submillimetre excess is probably the Rayleigh-Jeans tail of thermal emission from warm dust in the dark lane, which may be heated by an extended distribution of young stars and possibly partly by the nuclear source itself.

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