The remarkable 400 micron source NGC 6334/I/North/

Astronomy and Astrophysics – Astronomy

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B Stars, Infrared Astronomy, Infrared Stars, Interstellar Matter, Protostars, Stellar Evolution, Astronomical Photometry, Cosmic Dust, Interstellar Gas, Line Spectra, Molecular Spectra, Radiant Flux Density, Stellar Structure

Scientific paper

Observations at 400 microns of the NGC 6334 complex have confirmed the discovery of an unusual 1000-solar mass object, NGC 6334/I(North), which was not detected by broad-band 100-micron survey observations. The results suggest that this cool source (T = 19 + or - 5 K) is an active star formation region in a very early stage of evolution. The observed infrared luminosity of the source, 7000 solar luminosities, requires the presence of one or more embedded B stars or the formation of a dense protostellar core. Derived dust and gas densities agree well with results from molecular line observations of the complex. Nearby 100 micron peaks I and V were also observed.

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