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Topic: Andrea Ghez


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In the News (Sat 19 Dec 09)

  
  Andrea
Andrea di Robilant Andrea di Robilant is the author of A Venetian Affair, a Columbia University.
Andrea Donlon Andrea Donlon is the River Steward for the University of Vermont.
Andrea Ghez Andrea Mia Ghez is an 1991.
www.brainyencyclopedia.com /topics/andrea.html   (715 words)

  
 Andrea - Wikipedia, the free encyclopedia
Andrea is a personal name common in North America, Europe, Australia and New Zealand.
Another prominent fictional Andrea (though played by a real Andrea, Andrea Byrne) was in the 1980s children's television programme You Can't Do That on Television, which in its - later banned - "Adoption" episode, parodied the character of Little Orphan Annie as "Little Orphan Andrea".
Andrea Casiraghi (born 1984) Eldest child of HRH Princess Caroline of Monaco.
en.wikipedia.org /wiki/Andrea   (332 words)

  
 Astronomy   (Site not responding. Last check: 2007-11-04)
Ghez employed her new technique to look at young stars, anticipating she'd find either no binaries, meaning the capture theory was correct, or the same proportion found in middle-aged stars, suggesting companions emerge in the process of star formation.
Ghez's diffraction-limited imaging at Keck has also broken the impasse on a question that has tantalized scientists for years: whether a massive fl hole lies at the center of our galaxy.
For Ghez, it's simply a matter of mapping mass distribution, using the stars in the center of the galaxy as "test particles" to determine mass of material interior in its orbit.
www.research.ucla.edu /chal/html/astronomy.htm   (764 words)

  
 College of Letters & Science   (Site not responding. Last check: 2007-11-04)
In her research, Ghez used the 10-meter Keck I Telescope atop Mauna Kea in Hawaii -- the world’s largest optical and infrared telescope -- to study the movement of 200 stars that are close to the galactic center.
One explanation for observing a bright source in only one image, Ghez said, is that it was a “gravitational lensing event,” which occurs when the light path from a star passing behind the fl hole is bent by the strong gravitational field of the fl hole.
Ghez’s research is supported by the National Science Foundation through an NSF Young Investigator Award, the Packard Foundation, and the Alfred P. Sloan Foundation.
www.college.ucla.edu /ghez.htm   (1039 words)

  
 Astronomer Andrea Ghez Awarded Gold Shield Prize... 6/9/2004
Ghez and UCLA colleague Mark Morris, a professor of physics and astronomy, reported the detection of remarkably stormy conditions in a hot plasma being pulled into the monstrous fl hole residing at the center of our Milky Way galaxy, 26,000 light years away.
Earlier this year, Ghez was recognized with three premier academic honors: she was elected to the National Academy of Sciences and to the American Academy of Arts and Sciences; and received the Sackler Prize, an international award intended for young scientists who have made outstanding and fundamental contributions in their fields.
Ghez earned her Ph.D. from the California Institute of Technology and her B.S. from the Massachusetts Institute of Technology; she was a Hubble Postdoctoral Research Fellow at the University of Arizona's Steward Observatory.
newsroom.ucla.edu /page.asp?RelNum=5251   (1048 words)

  
 Case for massive black hole strengthened
UCLA astronomer Andrea Ghez announced more than four years ago that a monstrous fl hole resides at the center of our Milky Way galaxy, 24,000 light years away, with a mass more than 2 million times that of our sun.
Ghez and her colleagues have detected the orbits for eight stars close to the galactic center.
Ghez is now searching for additional fl holes or other dark matter near the massive fl hole.
www.eurekalert.org /pub_releases/2003-02/uoc--cfm021803.php   (960 words)

  
 Keck Astronomers Observe Acceleration of Individual Stars at Center of Milky Way Galaxy
Ghez achieved the ultra-fine resolution with the combination of a 10-meter telescope, a Caltech near-infrared camera and a highly-sophisticated computerized imaging technique that she perfected.
Ghez’s technique, however, improves the resolution by a factor of 20, and enabled her team to follow the movement of individual stars from year to year.
Ghez’s co-authors on the Nature paper are UCLA physics and astronomy professors Mark Morris and Eric Becklin, UCLA graduate student Angelle Tanner and UCLA undergraduate Ted Kremenek.
www2.keck.hawaii.edu /news/old_pages/andreaghez.html   (1301 words)

  
 BBC - Science & Nature - Horizon - Supermassive Black Holes
ANDREA GHEZ: The Keck telescope is a fabulous telescope to use.
ANDREA GHEZ: These stars that we've been watching are 2 light weeks from the, from the centre of our galaxy, so their motion, the fact they are going 1,000 kilometres per second tells us that within 2 light weeks there's 2 million times the mass of the sun of matter there.
ANDREA GHEZ: All of a sudden we saw something that looks like a star, but maybe isn't a star, but it's definitely a new object in our map and the interesting thing is that it's located where we think the fl hole is.
www.bbc.co.uk /science/horizon/2000/massivebholes_transcript.shtml   (5377 words)

  
 Physics 7 Black Hole in Center of Milky Way   (Site not responding. Last check: 2007-11-04)
Andrea Ghez (as in ``says'') of the University of California at Los Angeles said today the speeding stars are the best evidence yet that there's a giant fl hole at the center of the galaxy.
Ghez's announcement _ the results of three years of study using Hawaii's Keck I telescope _ came at an international workshop in Tucson for astronomers who study the center of the Milky Way galaxy.
Ghez said the powerful Keck telescope, which uses infrared radiation, allowed her to see stars very close to the fl hole _ about four times the width of the sun's solar system away.
cassfos02.ucsd.edu /public/tutorial/html/ghez.html   (516 words)

  
 Complete Publication list for Andrea Ghez
Ghez, A. M., Morris, M., and Becklin, E. in ``The Central Parsecs of the Galaxy," ASP Conf.
Ghez, A. M., Kremenek, T., Tanner, A., Morris, M., and Becklin, E. 2001, in ESO Proceedings of ``Black Holes in Binaries and Galactic Nuclei" eds L. Kaper, E.P.J. van den Heuvel, and P.A. Woudt, p.
Ghez, A. 2000, in proceedings of IAU 200, eds.
www.astro.ucla.edu /~ghez/publications.html   (2130 words)

  
 Andrea Ghez to speak
Andrea Ghez's lecture is being held in conjunction with the dedication of UCSC's Laboratory for Adaptive Optics.
Ghez is a professor of astronomy at UCLA and one of the world's leading observational astrophysicists.
Ghez has received numerous awards and honors, including the 2004 Sackler Prize in the Physical Sciences, the Newton Lacy Pierce and Annie J. Cannon Prizes of the American Astronomical Society, and the Maria Goeppert-Mayer award of the American Physical Society.
currents.ucsc.edu /04-05/05-09/halliday.asp   (508 words)

  
 UCLA Special Events and Protocol
Andrea Ghez, professor in the Department of Physics and Astronomy, is one of the world's leading observational astrophysicists, whose work sheds light on how our Milky Way galaxy, our Sun, and our Earth came to be.
From her measurements of the orbital dynamics of stars near our galactic center, Professor Ghez has demonstrated the existence of a central, dark mass concentration with a density more than 10 million times larger than the largest earlier estimates, thereby making the case for a supermassive fl hole.
Professor Ghez's observations show conclusively that there is no other physical explanation of the stellar dynamics than the presence of a fl hole, and they improve our understanding of the nature of matter at the center of our galaxy.
www.eventsprotocol.ucla.edu /productions/faculty_lecture/andrea_ghez.html   (546 words)

  
 Andrea Ghez
Professor Andrea Ghez, the 10th recipient of the Gold Shield Faculty Prize, An Award for Academic Excellence, is a UCLA professor in Physics and Astronomy.
Professor Ghez has been called “one of the top 20 scientists in the country under [the age of] 40” and it has been said that her research “will likely change our fundamental understanding of the world and our place in it” ( Discover).
She is the most sought-after guest lecturer on the campus; she has served on the departmental graduate student admission committee; and she has attended Development Office events organized to help alumni with fund-raising.
www.goldshieldalumnae.org /Faculty%20Prize/ghez.htm   (364 words)

  
 Poster Project, Biographies,   (Site not responding. Last check: 2007-11-04)
Ghez believes that her parents' high expectations for her, and their faith that she would succeed, played an important role in shaping her ambitions; from a very young age, she assumed that she would earn a Ph.D..
Ghez relishes the freedom to define what problems she works on, and the opportunity to travel to interesting places like Hawaii to use their telescopes.
In addition to science, Ghez is passionate about swimming, which she does with a master's swim team: "I do it to keep my head screwed on straight and to meet people who don't think about science all day long.
www.math.sunysb.edu /posterproject/www/biographies/ghez.html   (379 words)

  
 UCLA Today: Discoverer of black hole
Space scientist Andrea Ghez and her team are tracking the orbits of stars at the galactic center around the supermassive fl hole.
Ghez received a B.S. from MIT in 1987 and a Ph.D. from Caltech in 1992, both in physics.
She came to UCLA in 1994 — “the place to be for infrared astronomy” — to gain access to the Keck I telescope atop the dormant Mauna Kea volcano in Hawaii.
www.today.ucla.edu /2003/031021people_blackhole.html   (523 words)

  
 Article 1
The case is made most strongly on the basis of a newly discovered star, S0-16, which passed within 60 AU (just slightly larger than the distance between the sun and Pluto) of the fl hole, moving at approximately 52 million miles per hour - the highest velocity observed yet at the galactic center.
Since 1995 Ghez has been using the W.M. Keck Observatory's 10-meter Keck I Telescope atop Mauna Kea in Hawaii - the world's largest optical and infrared telescope - to study the movement of 200 stars close to the galactic center.
One surprising result Ghez learned from the spectroscopy is that the stars closest to the fl hole appear to very young - less than 10 million years old.
www.physics.odu.edu /~weinstei/120f03/astro7.html   (1062 words)

  
 UCLA News
The case is made most strongly on the basis of a newly discovered star, S0-16, which passed within 60 AU (just slightly larger than the distance between the sun and Pluto) of the fl hole, moving at approximately 52 million miles per hour — the highest velocity observed yet at the galactic center.
Since 1995 Ghez has been using the W.M. Keck Observatory's 10-meter Keck I Telescope atop Mauna Kea in Hawaii — the world's largest optical and infrared telescope — to study the movement of 200 stars close to the galactic center.
One surprising result Ghez learned from the spectroscopy is that the stars closest to the fl hole appear to very young — less than 10 million years old.
newsroom.ucla.edu /page.asp?id=3902   (1134 words)

  
 'Supermassive' Black Hole Found In The Center Of Our Galaxy
The evidence is being reported this week at the Central Parsecs Galactic Center Workshop '98 in Tucson, Arizona, by Andrea Ghez, of the University of California-Los Angeles.
Since Ghez could not directly see a fl hole, she inferred its presence by searching for the gravitational influence it imposes on nearby objects she could see, namely stars.
Using this technique in 1995, Ghez witnessed the disappearance of a star that was, at the time, the closest object to the fl hole.
www.sciencedaily.com /releases/1998/09/980908074632.htm   (760 words)

  
 Center Of Galaxy Contains A Large Black Hole - an Astronomy Net Blackholes2 Forum Message
Answering one of astronomy's most important questions, UCLA astronomer Andrea Ghez reported today at a conference in Tucson, Ariz., that a monstrous fl hole resides at the center of our Milky Way galaxy, with a mass more than two million times that of our sun.
In her research, Ghez used the 10-meter Keck I Telescope -- the world's largest optical an infrared telescope -- atop Mauna Kea in Hawaii to study the movement of 200 stars that are close to the galactic center.
Ghez's co-authors on the paper are former UCLA graduate student Beth Klein and UCLA astronomy professors Mark Morris and Eric Becklin.
www.astronomy.net /forums/blackholes2/messages/1088.shtml?show%3Dtop   (1196 words)

  
 RedNova News - Space - Astronomers Detect Plasma at Black Hole   (Site not responding. Last check: 2007-11-04)
The past two years, Ghez and her colleagues used adaptive optics at the Keck Observatory to get high-resolution images at wavelengths between the short near-infrared, where stars dominate, and the mid-infrared, where dust dominates.
Ghez and her colleagues will continue to study the supermassive fl hole at a variety of near infrared wavelengths.
Ghez's co-authors include Morris; UCLA physics and astronomy professor Eric Becklin, who identified the center of the Milky Way in 1968; California Institute of Technology research scientist Keith Matthews, and UCLA graduate student Shelley Wright.
www.rednova.com /news/stories/1/2003/09/05/story004.html   (1115 words)

  
 Dr. Andrea Ghez
After receiving her BS in physics in 1987 at the Massachusetts Institute of Technology, Dr. Ghez completed her graduate studies at the California Institute of Technology, obtaining an MS in 1989 and a Ph D in 1992, both in physics.
She began teaching at UCLA as an assistant professor in 1994, and became a full professor of physics and astronomy in July of 2000.
She has published several studies on binary stars and fl holes, with one of her most compelling projects involving the possible presence of a fl hole at the center of the Milky Way Galaxy.
www.casciencectr.com /Education/TeacherPrograms/ScienceOfScientists/ScientistBio/Ghez.php   (169 words)

  
 Andrea Ghez, Astronomy [UCLA Spotlight]   (Site not responding. Last check: 2007-11-04)
Although the behavior of stars at the galaxy's core hints at the possibility of a nearby fl hole, the image of those stars is distorted by our atmosphere.
But by using a special technique she helped to develop that significantly improved resolution, Ghez could accurately observe the behavior of the stars.
For her work, she's received the 1998 Newton Lacy Pierce Prize in Astronomy, given for outstanding achievement to an astronomer under 36, the 1999 Maria Goeppert-Mayer Award from the American Physical Society for outstanding achievement by a woman scientist, and numerous other accolades and recognition.
www.ucla.edu /spotlight/archive/html_2000_2001/fac_0600_ghez.html   (241 words)

  
 Discovery Channel :: Amazing Space
Andrea Ghez is getting very close to the fl hole in the center of our Milky Way galaxy.
This bizarre cosmic phenomenon is a place where gravity reigns supreme, where any object, and even light, becomes trapped by the gravitational forces of a massive star that has collapsed or by galaxies that have collided.
She found a way to focus Hawaii's powerful Keck telescope on stars in the center of the galaxy, stars normally too dim and too distant to detect.
dsc.discovery.com /convergence/amazingspace/reports/holes.html   (911 words)

  
 Milky Way's central black hole located (September 2000) - News - PhysicsWeb
Andrea Ghez and co-workers at the University of California at Los Angeles observed three stars orbiting the radio source known as Sagittarius A*.
Ghez and colleagues collected infrared images of the nucleus of the Milky Way over a four-year period using the 10-metre Keck telescope on Mauna Kea in Hawaii.
Ghez and co-workers established that they intersect within 0.002±0.0016 parsecs of Sagittarius A* (1 parsec = 3.26 light years).
physicsweb.org /article/news/04/9/15   (370 words)

  
 BBC NEWS | In Depth | Denver 2003 | The big and the bizarre
The team leader, Professor Andrea Ghez, spoke about the extraordinary environment that exists at the galactic core to the annual meeting of the American Association of the Advancement of Science in Denver.
She and her colleagues have been using the Keck Observatory on Hawaii to obtain unprecedented views of the region of space around Sgr A*.
Ghez says the competition is proving very useful in confirming data and revealing the secrets of the strangest place in the Milky Way.
news.bbc.co.uk /2/hi/in_depth/sci_tech/2003/denver_2003/2769737.stm   (789 words)

  
 Researchers Reveal High-Resolution Images of Black Hole - October, 1998   (Site not responding. Last check: 2007-11-04)
Pioneered by Andrea Ghez of the University of California in Los Angeles, the technique involves using computers to analyze thousands of high-speed, high-resolution images.
Ghez detected the presence of a fl hole in the center of the Milky Way by observing the behavior of 20 stars that exhibited a strong gravitational pull.
Ghez reported her work at the Central Parsecs Galactic Center Workshop '98 on Sept. 7 in Tucson, Ariz.
www.photonics.com /spectra/news/XQ/ASP/pbullid.128/QX/read.htm   (165 words)

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