NGC 4038/39: Interacting spiral galaxies with enhanced extended radio emission

Details NGC 4038/39: Interacting spiral galaxies with enhanced extended radio emission NGC 4038/39: Interacting spiral galaxies with enhanced extended radio emission

Jan 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986a%26a...155..151h&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 155, no. 1, Jan. 1986, p. 151-160.

Astronomy and Astrophysics

Astrophysics

62

Astronomical Spectroscopy, Galactic Structure, Gravitational Effects, Interacting Galaxies, Radio Emission, Spiral Galaxies, Stellar Evolution, Magnetic Field Configurations, Particle Acceleration, Radiant Flux Density, Relativistic Electron Beams, Spectral Energy Distribution, Supernovae, Visible Spectrum

Scientific paper

VLA 6-arcsec resolution observations of the radio continuum emission of the interacting galaxies NGC 4038/39 have been conducted at 1.465 and 4.885 GHz. The radio emission is noted to coincide with optical emission, and two radio components are found which can be characterized as a smooth underlying component that peaks on a dustpatch between the galaxies and several discrete radio knots that generally coincide with H-alpha knots. The diffuse component has a relatively steep radio spectrum, which indicates greater age than that of the radio knots.

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