Radial Extinction in Spiral Disks.

Details Radial Extinction in Spiral Disks. Radial Extinction in Spiral Disks.

Dec 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003aas...20311404h&link_type=abstract

American Astronomical Society Meeting 203, #114.04; Bulletin of the American Astronomical Society, Vol. 35, p.1391

Astronomy and Astrophysics

Astronomy

Scientific paper

Dust absorption influences our perception of spiral galaxies. To characterize the absorption by cold dust, Gonzalez et al (1998) compared numbers of background field galaxies in HST/WFPc2 images and simulated fields; the original data with an extincted HDF field added. We have automated this "Synthetic Field Method" and applied it on a sample of face-on images from the HST archive. Based on our numbers of field galaxies, we present an average radial extinction profile for spiral disks.

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