[Baps] Spitzer talk on time scales of planet formation

[Sarah Stewart-Mukhopadhyay]

MONDAY, JUNE 16


*1:00 pm:* Solar, Stellar, and Planetary Sciences Division
Seminar<http://www.cfa.harvard.edu/ssp/events.html>.
"The Time History of Terrestrial and Icy Planet Formation As Reconstructed
from Spitzer," Thayne Currie, CfA. Phillips Auditorium.

*Abstract:* Studying circumstellar disk evolution and planet formation
around other stars provides a context for the formation our Solar System as
well as the rapidly expanding sample of known extrasolar planets. In this
talk, I discuss recent results on disk evolution and planet formation from
the Spitzer Space Telescope, focusing on observations of h and chi Persei,
IC 348, and other 3 Myr to 25 Myr old open clusters. These results provide
the strongest constraints yet on a) the primordial to debris disk
transition, b) the lifetime of nebular gas required to form Jovian planets,
c) the time history of terrestrial planet formation, and d) planet formation
in ice giant/Kuiper belt regions. I discuss challenges that these results
pose for theoretical models of planet formation, implications these results
have for the timescale required for planet building, and their potential to
explain observed trends in in exoplanetary systems, particularly for systems
with hot Jupiters.


http://www.cfa.harvard.edu/events/calendar/latest.html

-- 
Sarah T. Stewart-Mukhopadhyay
Asst. Professor of Planetary Science
Dept. of Earth & Planetary Sciences, Harvard University
Office 617.496.6462 Lab 617.496.5782 Fax 617.384.8249
sstewart at eps.harvard.edu
http://www.fas.harvard.edu/~planets/sstewart/

Assistant:Marcie Steeves, steeves at eps.harvard.edu, 617-495-2350
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