Members

 

 

Eiichi Egami
eegami@as.arizona.edu
(520) 621-3161

Dr. Egami's main research area is extragalactic astronomy with a special emphasis on ground/space infrared/submm observations. His current research interests include, (1) galaxies in the reionization era (z>6), (2) infrared-luminous galaxies both at high redshift and in the local Universe, and (3) cluster galaxy evolution and cooling flows. In recent years, he has particularly been interested in using massive clusters of galaxies as cosmic telescopes, exploiting their gravitational lensing power to observe faint background galaxies that would otherwise be unobservable. As the principal investigator, he is currently leading several large international space observing programs, such as "The Herschel Lensing Survey" (Herschel Key Program: 292.3 hours) and "The IRAC Lensing Survey: Achieving JWST Depth with Spitzer" (Spitzer Exploration Science Program: 526.4 hours).

 

Research Associates

 

Benjamin Clément
bclement@as.arizona.edu
(520) 626-1796

Benjamin is mainly specialized in the very high-redshift universe. He studies Lyman-alpha Emitters (LAEs) at z~7.7 with deep near-infrared narrow-band data from the ESO Very Large Telescope and from the Canada-France-Hawaï Telescope, as well as multi-wavelength follow-up observations. He is also specialized in the use of galaxy clusters as natural telescopes thanks to the gravitational lensing effect. He is now working on Spitzer IRAC imaging of lensing clusters to characterize z>6 galaxies and to support present and future Herschel and ALMA surveys.

   
 

Maria Pereira
mpereira@as.arizona.edu
(520) 626-1798

Maria's research centers around galaxy and galaxy cluster dynamics, dark matter structure and substructure probes, and, more generally, the processes driving galaxy evolution in the context of large scale structure. She is currently working on Herschel far-IR observations of cluster galaxies through the LoCuSS Herschel Key programme, spectroscopic surveys of LSS around LoCuSS clusters using Hectospec/MMT, and N-body simulations of galaxy dynamics in clusters.

   
 

Marie Rex
mrex@as.arizona.edu

Marie's research focuses on the properties of high-redshift, infrared luminous galaxies. She studies their gas and dust properties, as well as the star formation within these galaxies using infrared--submillimeter photometric data from the Spitzer Space Telescope and the Herschel Space Observatory, as well as near-infrared spectroscopy from the LUCIFER instrument on the Large Binocular Telescope. She is especially interested in the evolution of the abundant population of starburst galaxies with relatively modest far-infrared luminosities (L_fir < 10^12 L_sun). Although these intrinsically faint galaxies are typically undetectable above the confusion limits of current telescopes, they can be studied in specific cases using the gravitational lensing potential of massive galaxy clusters which often magnify background galaxies by an order of magnitude.

 
 

Saahil Patel
patelss@email.arizona.edu

Graduate Students

 

Greg Walth
gwalth@email.arizona.edu
(520) 621-4934

   
 

Lei Xu
lxu@as.arizona.edu
(520) 621-4934

Lei Xu is interested in Extragalactic Astronomy and Galaxy Evolution, particularly the infrared luminous populations. Lei Xu is currently studying the properties of Herschel-detected quasars in LoCuSS fields. She also works on the infrared luminous populations in the Lockman Hole field.

 

Undergraduate Students

 

Andrew Fielder
akf1337@email.arizona.edu

   
 

Emily Berkson
eberkson@email.arizona.edu

   
 

Charlie Griffin
charliegriffin@email.arizona.edu

 

Web Master

 

David Huber
davidhuber55@gmail.com
HuberDigitalDesigns.com

     
 

Saahil Patel
patelss@email.arizona.edu

     

   

Former Group Members

Linhua Jiang
ljiang30@asu.edu

currently @ Arizona State University

Linhua's interests are extragalactic astronomy and cosmology, especially the highest redshift quasars and galaxies and their implications for cosmic reionization. He is leading a few programs to search for z>6 quasars and galaxies, and to study their physical properties.

 

Chris Haines
cphaines@as.arizona.edu

Dr Chris Haines is interested in galaxy evolution, in particular understanding the processes which cause spiral galaxies to stop forming stars and transform morphologically into passive S0s when they are accreted by galaxy groups and clusters. His research involves using infrared surveys comprising data from both the Spitzer and Herschel space telescopes to provide censuses of star formation and dust contents for thousands of galaxies in and around massive clusters, and to quantify statistically the impact of the cluster environment upon them. Additionally he is using IFU spectroscopy to resolve in detail these environmental processes in action within individual cluster galaxies.

 

Tim Rawle
trawle@as.arizona.edu

Personal website: http://mips.as.arizona.edu/~trawle/

Tim primarily works on the reduction and analysis of far-infrared data from the Herschel Lensing Survey and SPIRE Snapshot Survey, aiming to probe intrinsically faint, high-redshift sources below the nominal confusion-limited depth of Herschel using the lensing power of massive clusters. He is heavily involved in the multi-wavelength photometric and spectroscopic follow-up of such sources. With a background in local cluster galaxies (Coma, Shapley Supercluster; PhD Durham, UK, 2009) Tim is also interested in exploring the far-infrared (dust) characteristics of star-forming galaxies within these massive clusters (z~0.3), including the IR-luminous `cool-core' cluster Brightest Cluster Galaxies.

 

Jeff Portouw
jportouw@email.arizona.edu

 

 
       
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