Observations of new far infrared sources in the Cepheus OB 3 molecular cloud

Astronomy and Astrophysics – Astronomy

Scientific paper

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Emission Spectra, Far Infrared Radiation, Infrared Astronomy, Molecular Gases, Protostars, Stellar Spectrophotometry, Carbon Monoxide, Extremely High Frequencies, Stellar Luminosity, Water Masers

Scientific paper

Far infrared observations in the Cep OB3 molecular cloud have been made at 85 and 150 microns with an angular resolution of 4.5 arc-minutes. Three sources of far infrared emission have been detected. The strongest of these, with luminosity 25,000 solar luminosities, is found in the densest part of the cloud. For this source the dust temperature, 40 K, is quite low. A number of stars at a particularly early stage of star formation appear to be present in this region.

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