I am currently a member of the Astronomy department at the California Institute of Technology, working for Dr. Lynne A. Hillenbrand.

I was previously a postdoctoral researcher at The College of Staten Island, in the Department of Engineering Science and Physics, and Hunter College, and at the American Museum of Natural History. I am a member of the BDNYC group and RECONS. I got my bachelor's degree from Villanova University in 2006, my master's degree from Georgia State University in 2009, and my PhD from Georgia State University in 2012 under the direction of Dr. Todd J. Henry.

Office: 212 Cahill

Phone: 626-395-3693

Email: a r r r @ a s t r o . c a l t e c h . e d u


Nearby Star 3D maps here.

My CV is here.


Riedel et al. 2014: Parallaxes and identifications of 45 nearby young low-mass active star systems.

Riedel et al. 2011: AP Col, the closest (8.4 pc) pre-main-sequence star.

Riedel et al. 2010: 67 parallaxes to 64 star systems with proper motions between 0.5 and 1.0 arcsec/yr

Last modified 20170217