Morphological peculiarities and luminous activity in galaxies

Details Morphological peculiarities and luminous activity in galaxies Morphological peculiarities and luminous activity in galaxies

Dec 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988aj.....96.1861s&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 96, Dec. 1988, p. 1861-1863.

Astronomy and Astrophysics

Astronomy

3

Luminosity, Peculiar Galaxies, Sky Surveys (Astronomy), Emission Spectra, Far Infrared Radiation, H Alpha Line, Infrared Astronomy Satellite

Scientific paper

A sample of approximately one hundred galaxies has been examined on the Palomar Observatory Sky Survey prints for objects with morphological peculiarities. Fourteen objects with peculiar characteristics were selected, of which half obviously have interacting partners of similar brightness. Those with obviously interacting companions do not exhibit stronger than average Hα luminosities, nor are they excessively luminous as measured in far-infrared emission by IRAS in comparison with isolated systems. The other half may have interacting partners, but if so the partners are either very faint compared to the primary object or are large angular distances from the primary. These objects exhibit no enhanced Hα or far-infrared emission either. Morphological peculiarities in themselves do not seem to be an indication of enhanced emission characterists.

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