VV 114, a high infrared luminosity interacting galaxy system

Details VV 114, a high infrared luminosity interacting galaxy system VV 114, a high infrared luminosity interacting galaxy system

Mar 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994aj....107..920k&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 107, no. 3, p. 920-929

Astronomy and Astrophysics

Astronomy

18

Infrared Astronomy, Infrared Radiation, Interacting Galaxies, Light (Visible Radiation), Stellar Spectra, Astronomical Observatories, Cameras, Charge Coupled Devices, Data Reduction, Infrared Detectors, Optical Filters, Spectrometers, Telescopes

Scientific paper

VV 114 is a nearby example of a far-infrared (FIR) bright, high luminosity (LFIR greater than 1011 solar luminosity) interacting galaxy pair. At a redshift of z = 0.02 it provides an opportunity to study such interacting galaxies at a favorable spatial scale (390 pc/arcsec). This paper presents new high resolution near-infrared (1.25 to 3.7 micrometer) and visible images, and visible spectra of VV 114. A picture emerges of a system with widespread massive star formation throughout both interacting galaxies. The brighter visible galaxy (VV 114W) shows H II region-like emission in both visual spectra and near-infrared colors, with no more than two magnitudes of visual extinction. The brightest peak of infrared and radio emission (VV 114E) has extreme near-infrared colors and is located at a minimum of visible emission. This indicates a large concentration of dust in the nucleus of VV 114E that is nearly entirely obscuring a major luminosity source in this system.

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