VLBI observations of NGC 4151, MK 231 and other galaxies with broad emission line nuclei

Details VLBI observations of NGC 4151, MK 231 and other galaxies with broad emission line nuclei VLBI observations of NGC 4151, MK 231 and other galaxies with broad emission line nuclei

Aug 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983mnras.204..783p&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 204, Aug. 1983, p. 783-790.

Astronomy and Astrophysics

Astronomy

38

Emission Spectra, Galactic Nuclei, Radio Astronomy, Very Long Base Interferometry, Line Spectra, Seyfert Galaxies

Scientific paper

The authors report VLBI observations at 6 cm wavelength of 10 galaxies with broad nuclear emission lines and of a further three with only narrow lines. The linear resolution corresponding to half a fringe-spacing and the rms noise in fringe-amplitude are respectively 0.1 and 0.005 pc Mpc-1 and 5 and 8 mJy on the European and transatlantic baselines. Ten objects were detected on the shorter and five on the longer baseline. In particular, radio emission on the parsec scale is seen for the first time in the Seyfert 1 galaxies NGC 4151 and Mk 231. For completeness, a list is included of all broad-line galaxies known by the authors to have been observed with VLBI at cm-wavelengths.

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