Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990aj.....99.1088n&link_type=abstract
Astronomical Journal (ISSN 0004-6256), vol. 99, April 1990, p. 1088-1099.
Astronomy and Astrophysics
Astronomy
41
Active Galaxies, Infrared Sources (Astronomy), Active Galactic Nuclei, Charge Coupled Devices, Cosmic Dust, H Alpha Line, Infrared Astronomy Satellite, Very Large Array (Vla)
Scientific paper
New observations of the merging galaxy NGC 1614 are described. The system has a nuclear region of QSO-like luminosity, but shows no direct evidence for an active nucleus. It is heavily and unevenly reddened across its nucleus, while infrared imaging also shows a 'ridge' of dust. The inner spiral structure of the galaxy has normal rotation for an inclined disk, as indicated by the H-alpha emission. A linear 'tail' to the S and extended arms to the E have more positive velocities, and probably are the remains of an interacting companion and the tidal plume(s) caused by the collision. The only H I seen in emission appears to coincide with bright knots of H-alpha and forbidden O III emission of the base of the tail. The lack of direct evidence for an active nucleus indicates that if NGC 1614 is a precursor to a Seyfert-like system the AGN has not yet turned on.
Hutchings John B.
Neff Susan G.
Standord S. A.
Unger Stephen W.
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