Justin's Home Page - Welcome
Contact Information:
Office: California Institute of Technology
Cahill Center for Astronomy & Astrophysics
Address: 1200 E. California Blvd.
Pasadena, CA 91125
Phone: (626) 395-5754
Fax: (626) 568-9352
Email: jcrepp [at] astro.caltech.edu
I am a senior postdoctoral scholar at the California Institute of Technology. My research involves developing the technology to detect and characterize extrasolar planets and brown dwarfs. I use adaptive optics, coronagraphs, integral field spectrographs, and advanced data processing algorithms to directly image substellar companions and to study their atmospheres. I also use the Doppler method to measure the radial velocity ("wobble") of stars as they gravitationally
interact with their planets, and am currently leading a multi-disciplinary observing program that combines these two powerful and complementary techniques -- the goal of which is to calculate planet and brown dwarf masses independent of their spectrum. I am a member of the PALM-3000 "extreme" adaptive optics team, the Project 1640 high-contrast imaging survey at Palomar, the California Planet Search at Keck, and the MARVELS
multi-object radial velocity program at Sloan. I also use adaptive optics to follow-up Kepler objects of interest (KOI's), in order to identify false-positive signals that could mimic transiting planet events.
I received my PhD in astronomy from the University of Florida in 2008. Prior to graduate school,
I studied physics at Penn State earning a bachelors degree in 2003.
Click here to view my NASA ADS list of publications.