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| Paper: |
The Formation of Star and Planetary Systems: New Results from Spitzer |
| Volume: |
432, New Horizons in Astronomy: Frank N. Bash Symposium 2009 |
| Page: |
49 |
| Authors: |
Manoj, P. |
| Abstract: |
Protoplanetary disks are thought to be the birth places of planetary
systems. The formation and the subsequent evolution of
protoplanetary disks are regulated by the star formation process,
which begins with the collapse of a cloud core to form a central
protostar surrounded by a disk and an overlying envelope. In the
protostellar phase, most of the envelope material is transferred
onto the star through the disk during episodic, high accretion
events. The initial conditions for planet formation in protoplanetary
disks are likely set by the details of these processes. In this
contribution, I will review some of the new observational results
from Spitzer on protostellar evolution and the structure and
evolution of protoplanetary disks surrounding young stars in the
nearby star forming regions. The implications of these results for
planet formation and eventual disk dissipation are discussed. |
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