Continuum observations of M 81 at 4.8 GHz

Details Continuum observations of M 81 at 4.8 GHz Continuum observations of M 81 at 4.8 GHz

Jun 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975a%26a....41..115v&link_type=abstract

Astronomy and Astrophysics, vol. 41, no. 1, June 1975, p. 115-117.

Astronomy and Astrophysics

Astronomy

17

Astronomical Maps, Continuous Spectra, Galactic Structure, Microwave Spectra, Spiral Galaxies, Galactic Nuclei, Galactic Radiation, H Ii Regions, Radio Astronomy, Radio Galaxies

Scientific paper

The galaxy NGC 3031 (M 81) has been mapped at the wavelength of 6 cm using a 100-m radio telescope. At this wavelength the beamwidth is 2.6 which gives sufficient resolution to see some of the structure of the galaxy. The map is compared with a similar 21 cm map of M81 to investigate the spectral index and hence the contribution of H II regions.

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