A search for QSOs in the fields of nearby galaxies. I - NGC 253, NGC 5236 and NGC 6744

Astronomy and Astrophysics – Astronomy

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Astronomical Coordinates, Interstellar Gas, Quasars, Ultraviolet Astronomy, Ultraviolet Spectroscopy, Absorption Spectra, Astronomical Spectroscopy, Galactic Structure, Galaxies, Lyman Spectra, Magnitude

Scientific paper

The authors give positions and magnitudes of QSO and background-galaxy candidates identified on UKST prism plates centred on the galaxies NGC 253, NGC 5236 and NGC 6744. Follow-up low-resolution spectroscopy with the 1.9-m telescope of the South African Astronomical Observatory confirmed that four of the candidates are QSOs (finding charts are given), and a further seven are galaxies sufficiently bright in the region of the Ca II λλ3933, 3968 lines to permit future high-resolution spectroscopy.

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