TTauri Disk Size as a Clue to their Formation Model

Details TTauri Disk Size as a Clue to their Formation Model TTauri Disk Size as a Clue to their Formation Model

Aug 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aipc.1158..143m&link_type=abstract

EXOPLANETS AND DISKS: THEIR FORMATION AND DIVERSITY: Proceedings of the International Conference. AIP Conference Proceedings, V

Computer Science

Star Formation, Circumstellar Shells, Clouds, And Expanding Envelopes, Circumstellar Masers, Infall, Accretion, And Accretion Disks, Low Luminosity Stars, Subdwarfs, And Brown Dwarfs

Scientific paper

We use disk sizes published on the ``www.circumstellardisks.org'' Web site to compare these sizes with the central object spectral type, used as a proxy for the mass. Contrary to our first guess, we find that the disk size actually increases with later spectral type, hence when the central object's mass decreases. This surprising result could be explained by recent models of star & brown dwarf formation where objects are ejected after close encounters.

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