UVISI Observations of Orion Dust

Details UVISI Observations of Orion Dust UVISI Observations of Orion Dust

May 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997aas...190.0610d&link_type=abstract

American Astronomical Society, 190th AAS Meeting, #06.10; Bulletin of the American Astronomical Society, Vol. 29, p.785

Astronomy and Astrophysics

Astronomy

Scientific paper

We present two ultraviolet images of the constellation Orion taken with the Midcourse Space Experiment (MSX) satellite. One image is a 10 degree x 13 degree, low resolution broadband image with bandwidth from 1430 Angstroms -1760 Angstroms . The second image is a 1.5 degree x 1.5 degree, moderate resolution broadband image with bandwidth from 1990 Angstroms - 2670 Angstroms . Both images are centered on a point 3 degrees south of M42. Additionaly we present moderate resolution spectra, also taken with the MSX satellite, ranging from 1100 Angstroms to 7000 Angstroms and covering the same sky region as the narrow field image. We make full use of archival data to derive a comprehensive model of this part of the interstellar medium. We use our data to derive extinctions for all the O, B, and A stars in our field of view and combine them with photometric distances to obtain a rough map of the interstellar dust distribution. We then use the derived dust geometry to set constraints on the dust albedo and scattering phase function.

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