IRAS and the Boston University Arecibo Galactic H I Survey: A catalog of cloud properties

Details IRAS and the Boston University Arecibo Galactic H I Survey: A catalog of cloud properties IRAS and the Boston University Arecibo Galactic H I Survey: A catalog of cloud properties

Jan 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992bosu.rept.....b&link_type=abstract

Final Report Boston Univ., MA. Dept. of Astronomy.

Astronomy and Astrophysics

Astronomy

Astronomical Catalogs, Cloud Physics, H I Regions, H Ii Regions, Infrared Astronomy, Infrared Astronomy Satellite, Molecular Clouds, Star Clusters, Surveys, Cosmic Dust, Far Infrared Radiation, Infrared Radiation, Interstellar Matter

Scientific paper

The Infrared Astronomy Satellite (IRAS) Galactic Plane Surface Brightness Images were used to identify infrared emission associated with cool, diffuse H I clouds detected by the Boston University-Arecibo Galactic H I Survey. These clouds are associated with galactic star clusters, H II regions, and molecular clouds. Using emission-absorption experiments toward galactic H II regions, we determined the H I properties of cool H I clouds seen in absorption against the thermal continuum, including their kinematic distances. Correlations were then made between IRAS sources and these H II regions, thus some of the spatial confusion associated with the IRAS fields near the galactic plane was resolved since the distances to these sources was known. Because we can also correlate the BU-Arecibo clouds with existing CO surveys, these results will allow us to determine the intrinsic properties of the gas (neutral and ionized atomic as well as molecular) and dust for interstellar clouds in the inner galaxy. For the IRAS-identified H II region sample, we have established the far infrared (FIR) luminosities and galactic distribution of these sources.

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