Radio polarization surveys of Centaurus A (NGC 5128). I - The complete radio source at 6.3 CM

Details Radio polarization surveys of Centaurus A (NGC 5128). I - The complete radio source at 6.3 CM Radio polarization surveys of Centaurus A (NGC 5128). I - The complete radio source at 6.3 CM

Mar 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993a%26a...269...29j&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 269, no. 1-2, p. 29-38.

Astronomy and Astrophysics

Astronomy

61

Astronomical Maps, Astronomical Polarimetry, Radio Sources (Astronomy), Radio Telescopes, Continuous Radiation, Interstellar Magnetic Fields

Scientific paper

We present a new radio continuum and polarization survey of Centaurus A (Cen A) made with the Parkes radio telescope at 6.3 cm wavelength having a beamwidth of 4.3 arcmin. The rms noise in the final total-power map is 20 mJy/b.a. while that in the polarized-intensity map is 8 mJy/b.a. The paper describes observations and data analysis techniques used and presents maps of the complete radio source. The outer radio lobes of Cen A can be traced over more than 9 on the sky (or 500 kpc linear distance). They are significantly polarized over most of the area. The radio continuum morphology of Cen A shows a distinct S-shaped structure in the outer radio lobes.

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