Welcome to the website of Thomas S. Allen.

Publications

. Sound Propagation, Reflection, and Its Relevance to Ultrasound Imaging. In TpT, 2019.

PDF

. The Dynamics, Structure, and Fate of a Young Cluster during Gas Dispersal: Hectoschelle, Chandra, Spitzer, and Gaia Observations of Cep OB3b. In ApJ, 2019.

Preprint PDF ADS

. Properties of the Closest Young Binaries. I. DF Tau’s Unequal Circumstellar Disk Evolution. In ApJ, 2017.

PDF ADS

. A Spitzer View of the Giant Molecular Cloud MON OB1 EAST/NGC 2264. In ApJ, 2014.

Preprint PDF ADS

. An Anomalous Extinction Law in the Cep OB3b Young Cluster: Evidence for Dust Processing during Gas Dispersal. In ApJ, 2014.

Preprint PDF ADS

. Luminosity Functions of Spitzer-identified Protostars in Nine Nearby Molecular Clouds. In AJ, 2012.

Preprint PDF ADS

. Spitzer Imaging of the nearby Rich Young Cluster, Cep OB3b. In ApJ, 2012.

Preprint PDF ADS

. A Correlation between Surface Densities of Young Stellar Objects and Gas in Eight Nearby Molecular Clouds. In ApJ, 2011.

Preprint PDF ADS

. Detection of Star Formation in the Unusually Cold Giant Molecular Cloud G216-2.5. In AJ, 2009.

Preprint PDF ADS

. Spitzer, Near-Infrared, and Submillimeter Imaging of the Relatively Sparse Young Cluster, Lynds 988e. In ApJ, 2008.

Preprint PDF ADS

Teaching

Lectures

Reed College

Math 141: Introduction to Probability and Statistics (Spring 2018)

Labs

Reed College

Math 141: Introduction to Probability and Statistics (Spring 2018)

Portland State University

PH 214: Lab for Physics 201/211/221 (Fall 2017)

Tutoring

I am an experienced tutor in high school and college quantitative subjects. These include, but are not limited to:

  • High school general physics and AP physics
  • College physics
  • Astronomy, any level
  • High school math: algebra, geometry, trigonometry and calculus.
  • College calculus
  • SAT Math

Contact me if you are interested in tutoring.