Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 1999
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999apj...512..140h&link_type=abstract
The Astrophysical Journal, Volume 512, Issue 1, pp. 140-144.
Astronomy and Astrophysics
Astronomy
23
Galaxies: Peculiar, Infrared: Galaxies, Galaxies: Quasars: Individual: Alphanumeric: Pg 1700+518
Scientific paper
The 1.6 μm Near Infrared Camera and Multiobject Spectrometer image of the broad absorption line QSO PG 1700+518 clearly resolves the QSO host galaxy and a ringlike companion. The companion is most likely a ring galaxy produced in a collision with the QSO galaxy ~5x10^7 yr ago. The morphology of the PG 1700+518 system is very similar to IRAS 04505-2958 (Boyce et al. 1996). Both objects were identified in a sample of eight QSOs selected by ``warm'' far-IR colors and extreme IR luminosities (Low et al. 1988). All eight QSOs show signs of strong interaction, and the presence of two head-on colliding systems in this sample may suggest that small impact parameters favor the energizing of IR-luminous QSOs.
Hines Dean Carter
Low Frank J.
Storrie-Lombardi Lisa J.
Thompson Rodger I.
Weymann Ray J.
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