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2015-12-18T00:00:00.000Z

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Wrong Tommaso Treu?

Dr. Tommaso Treu

Project's Principal Investigator

UCLA

Direct Phone: (310) ***-****       

Email: t***@***.edu

University of California Los Angeles , USA

UCLA

325 Westwood Plaza

Los Angeles, California 90095

United States

Company Description

Founded in 1949, UCLA School of Law is the youngest major law school in the nation and has established a tradition of innovation in its approach to teaching, research and scholarship. With approximately 100 faculty and 970 students, the school pioneered c ... more

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Background Information

Employment History

Professor
UCLA

Professor of Physics and Astronomy
UCLA

Assistant Professor of Physics
University of California , Santa Barbara

Researcher
University of California , Santa Barbara

Associate Professor of Physics
University of California , Santa Barbara

Professor of Physics and Astronomy
GLASS

Project's Principal Investigator
GLASS

Astronomer
University of California

Astrophysicist
University of California

Education

Ph.D.
Astronomy and Astrophysics
Scuola Normale Superiore

Web References (86 Total References)


It was a huge effort from ...

sci.esa.int [cached]

It was a huge effort from the community to gather the necessary input data using Hubble, VLT-MUSE, and Keck and to construct the lens models," explains Tommaso Treu, lead author of the modelling comparison paper, from the University of California at Los Angeles, USA.

...
Tommaso Treu University of California Los Angeles


It was a huge effort from ...

www.rdmag.com [cached]

It was a huge effort from the community to gather the necessary input data using Hubble, (the Very Large Telescope's Multi Unit Spectroscopic Explorer), and Keck…to construct the lens models," said Tommaso Treu, of the Univ. of California at Los Angeles.


"Astronomers have been looking ...

www.spacetelescope.org [cached]

"Astronomers have been looking to find one ever since," said Tommaso Treu of the University of California Los Angeles, USA, the GLASS project's principal investigator.

...
Tommaso Treu University of California


Courtesy of Tommaso ...

newsroom.ucla.edu [cached]

Courtesy of Tommaso Treu

...
Tommaso Treu
"The supernova's different light paths are like different routes through Los Angeles traffic," said Tommaso Treu, a professor of physics and astronomy in the UCLA College, a co-author of the research and principal investigator of the Grism Lens Amplified Survey from Space project, or GLASS, that is analyzing the supernova.
...
Treu said that by studying the delays between the times that the different images reach Earth, astronomers can glean clues about the type of warped-space terrain the supernova's light had to cover.
"With this discovery, we can learn something new about dark matter. The brightness and delays of future images could tell us something about the clumpiness of dark matter," he said, adding that standard cosmological models predict that dark matter is predicted to be clumpy.
...
"Astronomers have been looking to find one ever since," Treu said.
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Tommaso Treu
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Tommaso Treu
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Tommaso Treu
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Courtesy of Tommaso Treu


Scientists 'Weigh' Tiny Galaxy Halfway Across Universe

www.adaptiveoptics.org [cached]

Second author Tommaso Treu, assistant professor of physics at UCSB , explained that the imaging is made possible by the fact that the newly discovered galaxy is positioned behind a massive galaxy, creating an "Einstein ring.

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Treu and his colleagues in the Sloan Lens ACS Survey (SLACS) collaboration are at the forefront of the study of Einstein ring gravitational lenses . With gravitational lensing, light from distant galaxies is deflected on its way to Earth by the gravitational field of any massive object that lies in the way. Because the light bends, the galaxy is distorted into an arc or multiple separate images. When both galaxies are exactly lined up, the light forms a bull's-eye pattern, called an Einstein ring, around the foreground galaxy.
The mass estimate for the galaxy, and the inference that many of its stars have only recently formed, is made possible by the combination of optical and near infrared images from the Hubble Space Telescope with longer wavelength images obtained with the Keck Telescope . "If the galaxy is representative of a larger population, it could be one of the building blocks of today's spiral galaxies, or perhaps a progenitor of modern dwarf galaxies," said Treu.

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