The ultraluminous interacting galaxy NGC6240

Details The ultraluminous interacting galaxy NGC6240 The ultraluminous interacting galaxy NGC6240

May 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984natur.309..430w&link_type=abstract

Nature (ISSN 0028-0836), vol. 309, May 31, 1984, p. 430, 431.

Astronomy and Astrophysics

Astronomy

71

Galactic Radiation, Galaxies, Infrared Astronomy Satellite, Infrared Spectra, Interacting Galaxies, Radiant Flux Density, Extragalactic Radio Sources, Galactic Nuclei, Starburst Galaxies, Stellar Evolution

Scientific paper

A peak in IR emissions located by the IRAS spacecraft has been identified with the galaxy NGC 6420. The galaxy has an IR luminosity 60 times that of a normal starburst galaxy. However, the radiation centers around 100 microns, indicating massive star formation and thermalization of dust. The strong radio emissions of NGC 6420 suggest that there are supernova remnants within the starburst region. A model of interaction between two gas-rich galaxies is suggested, with the interaction occurring with sufficiently small kinetic energy to allow the galaxies to merge.

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