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Andrew Fox is an astronomer at the Space Telescope Science Institute (STScI) in Baltimore, Maryland. His research focuses on diffuse gas in and around galaxies, and the role it plays in galaxy formation and evolution, with an emphasis on the Milky Way and its surrounding high-velocity clouds. The Magellanic Stream is his favorite astrophysical object. His work uses ultraviolet, optical, and radio spectroscopy to determine the physical and chemical properties of this gas (click here for more details). At STScI, he is a member of the Science Mission Office and the Science Policy Group, which runs the annual Hubble Space Telescope Time Allocation Committee. Before joining STScI, he worked at the Institute of Astronomy (IoA) in Cambridge, the European Southern Observatory (ESO) in Chile, the Institut d'Astrophysique de Paris (IAP) in France, the University of Wisconsin-Madison, and University College London (UCL).

August 2013: Press coverage on Magellanic Stream abundance results:
NASA press release, ESA press release, Nature News article, Huffington Post Video

March 2014: Blog piece on STScI "Eye on the Universe" website.

April 2014: New paper on astro-ph on the Magellanic Stream (it covers around a quarter of the sky!)
Research Interests
- Interstellar, circumgalactic, and intergalactic gas
- High-velocity clouds (HVCs): abundances, ionization, origin and fate
- Magellanic Stream: properties, origin, role in Galaxy evolution
- Damped Lyman-alpha systems (DLAs): abundances, kinematics, hot gas content
- Lyman Limit Systems (LLSs): hot gas, kinematics, metallicities
- Gaseous inflow and outflow: observational tracers, effects on galaxy evolution
- Gamma-ray burst host galaxies: ISM properties, ionization modeling
Mailing Address
Space Telescope Science Institute
3700 San Martin Drive
Baltimore, MD 21218, USA
Office phone: +1 410 338 5083
afox[at]stsci[dot]edu