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University of Michigan Department of Astronomy1018 Dennison Building500 Church Street Ann Arbor, MI 48109
Office Location(s): 1018 Dennison Phone: 734.615.6139 Fax: 734.763.6317 wenhsin@umich.edu
BS, National Taiwan University | Advisor: Lee Hartmann
Effects of environments on the stellar initial mass function
Tina Hsu is studying whether the stellar initial mass function (IMF) -- the mass distribution of a population of newly formed stars -- depends on the environment. In particular, she wants to test whether high-mass stars are less likely to form in a low-density environment. To do this, Hsu is comparing the IMFs in a low-density region (L1641) and a clustered environment (the Orion Nebula Cluster). To characterize each population, she conducted an optical photometry survey with MDM and a spectroscopic survey with IMACS on Magellan and Hectospec on the MMT. She is also using Spitzer's IR database of Orion. She hopes ultimately to gain further insight on the formation of high-mass stars.
Stellar luminosity function, mass function, pre-main sequence stars, smoothed particle hydrodynamics simulations.
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