Astronomy and Astrophysics – Astronomy
Scientific paper
Jul 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988ap%26ss.146..195b&link_type=abstract
Astrophysics and Space Science (ISSN 0004-640X), vol. 146, no. 1, July 1988, p. 195-200. Research supported by SERC and Departme
Astronomy and Astrophysics
Astronomy
6
Absorption Spectra, Astronomical Maps, Infrared Astronomy Satellite, Iue, Background Radiation, Cosmic Dust
Scientific paper
Detailed IRAS contour maps in the 60 and 100-micron wavebands are presented for a small region of sky towards which 'high-velocity gas components' (HVC) have been clearly identified in spectra of background stars obtained with the IUE satellite. There is a coincidence in direction on the sky between the strongest regions of absorption produced by HVC gas and compact regions of brightest IR emission. However, there is no clear evidence at present for identifying the HVC directly with the IR emission due to insufficient spatial information along the lines-of-sight examined. A comparison of H I column densities obtained from both the 100-micron emission and color excess data indicates that dust emission, rather than atomic line emission, is the dominant contribution to the IRAS observations in the sightlines considered.
Bates Brandon
Catney M. G.
Keenan Francis P.
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