Other
Scientific paper
Dec 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982aj.....87.1621b&link_type=abstract
Astronomical Journal, vol. 87, Dec. 1982, p. 1621-1627. Research supported by the University of Maryland;
Other
36
Galactic Nuclei, Galactic Structure, Hydrogen Ions, Interacting Galaxies, Quasars, Spectral Line Width, Charge Coupled Devices, Emission Spectra, Light (Visible Radiation), Oxygen Spectra
Scientific paper
The results of a detailed investigation into the nature of the H I-rich quasi-stellar object 0351+026 are presented. An improved H I profile reveals the presence of two distinct components. A high-quality CCD image clearly shows the presence of two galaxies. The brighter galaxy hosts the QSO while the less luminous companion has a prominent, apparently stellar nucleus. Moreover, this image also shows streamers of nebulosity emanating from the two galaxies and has an overall morphology which is highly reminiscent of that seen in other strongly interacting galaxies. Optical spectroscopy of the system shows that the forbidden O III emission lies between the two nuclei and there is strong evidence of stellar absorption lines in both the host and companion galaxies. Overall, the data suggest that this system represents a violent encounter between two low-luminosity H I-rich galaxies. The possibility exists that this collision has triggered the QSO activity in the brighter galaxy.
Balick Bruce
Bothun Gragory D.
Heckman Tim
Kristian Jerome
Mould Jeremy
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