NGC 1614 - An IR-luminous merger but not (yet ) an active galaxy

Journal Article · Sun Apr 01 04:00:00 EDT 1990 · Astronomical Journal; (USA)

DOI:https://doi.org/10.1086/115398· OSTI ID:6865197

Neff, S G; Hutchings, J B; Standord, S A; Unger, S W ^[1]

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1. NASA, Goddard Space Flight Center, Greenbelt, MD (USA) Dominion Astrophysical Observatory, Victoria (Canada) Washburn Observatory, Madison, WI (USA) Royal Greenwich Observatory, Herstmonceux (England)

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. 39 refs.

• OSTI ID: 6865197
• Journal Information: Astronomical Journal; (USA), Journal Name: Astronomical Journal; (USA) Vol. 99; ISSN 0004-6256; ISSN ANJOA
• Country of Publication: United States
• Language: English

Related Subjects

640105* -- Astrophysics & Cosmology-- Galaxies
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
BALMER LINES
BASIC INTERACTIONS
CHARGE-COUPLED DEVICES
COLLISIONS
CONFIGURATION
COSMIC DUST
COSMIC RADIO SOURCES
DUSTS
ELECTROMAGNETIC RADIATION
GALACTIC EVOLUTION
GALAXIES
GALAXY NUCLEI
GRAVITATIONAL INTERACTIONS
H1 REGIONS
INFRARED RADIATION
INTERACTIONS
MOTION
RADIATIONS
ROTATION
SATELLITES
SEMICONDUCTOR DEVICES
SPIRAL CONFIGURATION
TIDE