About the picture

Three views of T Tauri with increasing spatial resolution in the near infrared emission line of molecular hydrogen.

Background image by Don Goldman. Visit his gallery at


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Curriculum Vitae

Publication List

ADS Publications

Research Interests

My primary areas of research interest are star formation and high angular resolution astronomy. In particular, I use a variety of observational techniques to perform imaging and spectroscopy of the near environment of young stars at the highest resolution obtainable. The interaction of the star with its environment regulates the star formation process and provides the conditions necessary for the growth and evolution of circumstellar disks and, ultimately, planets.

Working at the edge of achievable observational performance requires state-of-the-art instrumentation. Click on the Projects tab to see some of the hardware initiatives in which I am involved.

Individual Projects

I have worked on a fairly wide variety of scientific topics. Here, you can see some quick views of individual research projects and papers, organized by field.


Planetary Science

Photometric Phase Curve of the Rings of Uranus

Imaging and Spectroscopy of SL-9 Impacts

Mapping the surface of Titan from Earth


Star Formation

Spectral Imaging of T Tauri    Revisited   And again!

Wind-Disk-Cloud Interactions in T Tauri

Shocked H2 in Infrared Companion Systems

New molecular hydrogen outflows


Galactic and Extragalactic Astronomy

The space density of methane dwarfs

Globally shocked molecular hydrogen in NGC 6240

Distribution and kinematics of Galactic Center ionized gas

The search for the true Galactic Center



Near Infrared Fabry-Perot Interferometer

Active Control System for Fabry-Perot

Performance of OH Suppression Schemes

MAGIC Near-Infrared Camera

Fiber-based near-infrared multi-object spectrograph

Solid ZnSe grisms for the near-infrared

The Darwin mission to search for Earth-like planets

Novel micropupil based integral field spectrograph

MAX Mid-Infrared Camera

LINC-NIRVANA Fizeau Imaging Interferometer