Far-infrared observations of Circinus and NGC 4945 galaxies

Details Far-infrared observations of Circinus and NGC 4945 galaxies Far-infrared observations of Circinus and NGC 4945 galaxies

Jul 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990nascp3084...86b&link_type=abstract

In NASA, Ames Research Center, The Interstellar Medium in External Galaxies: Summaries of Contributed Papers p 86-88 (SEE N91-14

Astronomy and Astrophysics

Astronomy

Far Infrared Radiation, Galaxies, Infrared Astronomy Satellite, Photometry, Cosmic Dust, Luminosity, Masers, Silicates, Telescopes, Water Vapor

Scientific paper

Circinus and NGC 4945 are two galaxies luminous in the infrared and are characterized by compact non thermal radio nuclei, deep silicate absorption features and unusually strong water vapor maser luminosities. Moorwood and Glass (1984) have observed these galaxies extensively in the 1 to 20 micron range. In the far-infrared, observations up to 100 microns are available from the Infrared Astronomy Satellite (IRAS). In order to study the cool dust component of these galaxies, researchers observed them at 150 microns using the Tata Institute of Fundamental Research (TIFR) 100 cm balloon-borne telescope. Here, they report observations along with deconvolved maps at 50 and 100 microns obtained from the Chopped Photometric Channel (CPC) on board IRAS.

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