Modeling Scattered Light Images from a Planet-Forming Disk

Details Modeling Scattered Light Images from a Planet-Forming Disk Modeling Scattered Light Images from a Planet-Forming Disk

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aas...20911005j&link_type=abstract

2007 AAS/AAPT Joint Meeting, American Astronomical Society Meeting 209, #110.05; Bulletin of the American Astronomical Society,

Biology

Scientific paper

We calculate simulated images of a planet-forming circumstellar disk in scattered light emission. The simulated images bear no correlation to the vertically integrated surface density of the disk, but rather trace the density structure in the tenuous upper layers of the disk. Although the density at high altitudes are not directly related to activity at the midplane, the very existence of structure at high altitudes along with high time variability are themselves indicators of gravitational instability within the disk. The time scale for variations is much shorter than the orbital period of the planet, which facilitates obsesrvation of the phenomenon. Scattered light images may not necessarily be able to tell us where exactly a planet might be forming in a disk, but can still be a useful probe of active planet formation within a circumstellar disk. This research was supported by the NASA Astrobiology Institute under Cooperative Agreement NNA04CC09A.

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