Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aipc.1158...43s&link_type=abstract
EXOPLANETS AND DISKS: THEIR FORMATION AND DIVERSITY: Proceedings of the International Conference. AIP Conference Proceedings, V
Astronomy and Astrophysics
Astronomy
Circumstellar Shells, Clouds, And Expanding Envelopes, Circumstellar Masers, Spectroscopy And Spectrophotometry, Interstellar Dust Grains, Diffuse Emission, Infrared Cirrus, Astrometric And Interferometric Instruments
Scientific paper
We summarize our ongoing effort to understand nearby debris disks through combined modeling of Spitzer MIPS imaging photometry, Spitzer IRS spectra, and HubbleSpaceTelescope scattered light images. A simple single-component model with minimum grain sizes equal to the blowout size works in two of four systems studied. Inner dust belts unseen by HST are required in two of four systems. The case of HD 10647 appears the most complex, where more than two dust belts may be needed.
Bryden Geoffrey
Chen Christine
Krist John
Rieke George
Stapelfeldt Karl. R.
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