The host galaxy of the broad absorption line QSO PG 1700 + 518 and its ring galaxy companion: Nicmos 1.6 micron imaging

Dean C. Hines, Frank J. Low, Rodger I. Thompson, Ray J. Weymann, Lisa J. Storrie-Lombardi

Research output: Contribution to journalArticle

22 Scopus citations

Abstract

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 ∼5 x 107 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.

Original languageEnglish (US)
Pages (from-to)140-144
Number of pages5
JournalAstrophysical Journal
Volume512
Issue number1 PART 1
StatePublished - Feb 10 1999

Keywords

  • Galaxies: peculiar
  • Infrared: galaxies

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science

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