Astronomy and Astrophysics – Astrophysics
Scientific paper
Sep 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...260l..45c&link_type=abstract
Astrophysical Journal, Part 2 - Letters to the Editor, vol. 260, Sept. 15, 1982, p. L45-L47.
Astronomy and Astrophysics
Astrophysics
2
Globular Clusters, Interstellar Gas, Line Spectra, Radio Galaxies, Astronomical Spectroscopy, Calcium, Elliptical Galaxies, Galactic Nuclei, Galactic Rotation, Peculiar Galaxies, Radial Velocity
Scientific paper
Three of the brightest globular clusters associated with the peculiar radio galaxy NGC 5128 have been observed spectroscopically. In addition to interstellar Ca II lines from our own Galaxy, two of the three show interstellar Ca II lines arising in NGC 5128. The radial velocities are not consistent with gas which shares the motion of the elliptical galaxy. In one case, the gas is possibly associated with the rotating inclined disk of gas seen close to the nucleus. The interstellar clouds are between 12 and 30 kpc from the nucleus of NGC 5128, depending on whether they are in an extension of the rotating disk and how the disk is warped.
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