PSU Astronomy Department Pennsylvania State University

Justin's Homepage - Welcome


   

      Contact Information:

     Office:  Department of Astronomy, RM 315
              University of Florida 
     Address: 211 Bryant Space Science Center 
              PO Box 112055, Gainesville, FL 32611-2052
     Phone:   (352) 392-2052 Ext: 257
     Fax:     (352) 392-5089
     Email:   jcrepp@astro.ufl.edu

Research:

My favorite branch of astronomy is the on-going search for extrasolar planets. This is a young and rapidly growing field and may one day lead to the discovery of life elsewhere in the universe.

Currently, I am a fifth year graduate student at the University of Florida working on my PhD thesis (of which I plan to finish soon!) with Dr. Jian Ge. My research involves developing technology for the Terrestrial Planet Finder mission and ground-based stellar coronagraphs. In particular, I am pursuing the first dedicated search for faint companions to visual binary stars at Palomar Observatory using a band-limited coronagraphic mask.

I am also a member of a large team whose goal is to detect extrasolar planets using the Doppler radial velocity technique, with the Exoplanet Tracker (ET) instrument at Kitt Peak National Observatory (KPNO) and the Multi-object Keck ET instrument at Apache Point Observatory.

Please feel free to send me an email if you are a prospective graduate student, are looking for a public outreach speaker, or just simply love astronomy.

Recent Work:

 
"Measuring Stellar Radial Velocities with a Dispersed Fixed-Delay Interferometer", Mahadevan, van Eyken, Ge, DeWitt, Fleming, Cohen, Crepp, & Vanden Heuvel,
  accepted to ApJ, astro-ph/0801.3959

  "Comparative Lyot Coronagraphy with Extreme Adaptive Optics Systems", Crepp, Vanden Heuvel, & Ge, ApJ, 661, 1323, 2007

  "Laboratory Testing of a Lyot Coronagraph Equipped with an Eighth-order Notch Filter Image Mask", Crepp et al., ApJ, 646, 1252, 2006

  "Eighth-order Image Masks for Terrestrial Planet Finding", Marc Kuchner, Crepp, & Ge, ApJ, 628, 466, 2005.


And if you liked those papers, you should also read my collaborator's:
  "Extreme Adaptive Optics Imaging with a Clear and Well-Corrected Off-Axis Telescope Subaperture",
Serabyn, Wallace, Troy, Mennesson, Haguenauer, Gappinger, and Burruss, ApJ, 658, 1386, 2007.



Pseudo-CV:

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