Time Evolution of Spectral Energy Distribution Fits of Four Stars

Details Time Evolution of Spectral Energy Distribution Fits of Four Stars Time Evolution of Spectral Energy Distribution Fits of Four Stars

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aas...205.1605c&link_type=abstract

American Astronomical Society Meeting 205, #16.05; Bulletin of the American Astronomical Society, Vol. 36, p.1363

Astronomy and Astrophysics

Astronomy

Scientific paper

HD 45677, HD 50138, two B type stars, HD 31468 and HD 163296, two A type stars with circumstellar disks, have displayed variability in their data over a period of a few years. Using computer modeling codes, spectral energy distribution fits of the 0.1-100 micron region for these objects at different times are presented. Rough estimates of density and material component distribution of the circumstellar dust are obtained. It is hoped that the comparison of these time dependent fits can help to determine how the circumstellar dust is evolving in size and shape and how this is causing the variability in the data of these two objects.
This work has been supported by NASA's Origins of Solar Systems Program, the University Research Council of the University of Cincinnati, and the Aerospace Corporation's Independent Research and Development Program.

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