Department of Astronomy

The University of Texas at Austin


Contact Me


Phone: (512) 471-1483

About Me

My Research


I am an Assistant Professor in the Department of Astronomy at The University of Texas at Austin.  I work on observations of the distant universe, discovering and characterizing galaxies hailing from only 500 million years after the Big Bang.  Here is my CV.

Recent Research Highlights:

We’ve just finished completing the most comprehensive census of galaxies in the distant universe.  One of the most surprising findings was that there are a lot of bright galaxies very close to the Big Bang!  Read more here.

I’ve been leading the effort to take the deepest spectroscopic exposures of the distant universe with MOSFIRE on the Keck 10m telescope.  Last year, we discovered the most distant galaxy yet spectroscopically confirmed (pictured above).  Read the paper here, my blog about it here, and our press release here.

We recently observed with the new spectrograph MOSFIRE on the Keck 10m telescope.  Stay tuned for results!

The CANDELS program has taken its last (of more than 900!) Hubble Space Telescope orbits.

The upgrade of the Hobby Eberly Telescope for HETDEX is underway!

I have previously taught Astronomy 301, Introduction to Astronomy, and now I am teaching a graduate course (AST386) called Galaxy Evolution at High Redshift.  I use an interactive philosophy, where we use class time to perform activities related to the topic at hand, using peer instruction to facilitate increased knowledge retention.

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