High frequency radio continuum observations of barred spiral galaxies.

Details High frequency radio continuum observations of barred spiral galaxies. High frequency radio continuum observations of barred spiral galaxies.

Apr 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993rmxaa..25...31g&link_type=abstract

Revista Mexicana de Astronomia y Astrofisica, Vol. 25, No. 1, p. 31 - 38

Astronomy and Astrophysics

Astronomy

14

Barred Spirals: Radio Continuum, Barred Spirals: Infrared Photometry, Barred Spirals: Radio Luminosities, Barred Spirals: Infrared Luminosities, Barred Spirals: Spectral Indices

Scientific paper

The authors have determined the central radio continuum fluxes at 6.3 and 2.8 cm from a subset of barred spiral galaxies from the Shapley Ames Catalog with the 100-m radio telescope in Effelsberg. They calculated the spectral indices for the galaxies detected and they can see a weak correlation between flat spectral index and dust temperature calculated from IRAS fluxes, that is, Td ≥ 30°K for galaxies having α206.3 ≥ -0.75. The radio continuum at both frequencies and the far-infrared fluxes are strongly correlated.

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