Sentences with phrase «stars led astronomers»

Not exact matches

«This study offers new insight on the problem of multiple stellar populations in star clusters,» said study lead author Chengyuan Li, an astronomer at KIAA and NAOC who also is affiliated with the Chinese Academy of Sciences» Purple Mountain Observatory.

This was first confirmed during a solar eclipse in 1919 by a team led by the British astronomer Arthur Eddington; the scientists observed that stars near the limb of the Sun were shifted in position by the Sun's gravity.

The star's first dazzling outburst turned heads in 2009, leading astronomers to label it a supernova.

«For me personally,» says astronomer Debra Fischer of San Francisco State University, the study's lead author, «this was one of the more annoying stars.

A team led by astronomers at The Australian National University has discovered the oldest known star in the Universe, which formed shortly after the Big Bang 13.7 billion years ago.

A unique threesome of stars locked in tight, circular orbits could help astronomers test the leading theory of gravity to unprecedented precision.

Starting in June, a team led by astronomer Nuno Santos of the University of Lisbon, Portugal, used HARPS to monitor a star called μ Arae, faintly visible to the eye.

«Superluminous supernovas were already the rock stars of the supernova world,» Matt Nicholl, lead author of the study and an astronomer at the Harvard - Smithsonian Center for Astrophysics in Cambridge, Massachusetts, said in the statement.

A team led by astronomer Steven Majewski of the University of Virginia in Charlottesville sorted through a half - billion objects in the 2MASS catalog to find several thousand M giants, a distinctive class of red - giant star common in the Sagittarius dwarf but rarely seen above or below the plane of our galaxy.

A team led by astronomer Dimitar Sasselov of the Harvard - Smithsonian Center for Astrophysics in Cambridge, Massachusetts, used several large telescopes to scrutinize 59 candidate stars that OGLE singled out for a closer look via subtle dips in their light outputs.

A team led by ESO astronomer Giacomo Beccari has used these data of unparallelled quality to precisely measure the brightness and colours of all the stars in the Orion Nebula Cluster.

An astronomer at the University of California, Berkeley, he is leading the search for exoplanets: worlds that orbit other stars.

The team that made this discovery, led by Yale University astronomer Tabetha Boyajian — the star's namesake — suggested a variety of explanations for its strange behavior, including that the star itself was variable, that it was surrounded by clouds of dust or dusty comets, or that planets around it had collided or were still forming.

A team led by astronomer Garik Israelian of the European Southern Observatory recently examined nearly 500 stars, including 86 with planets, and found that most of the planet - bearing stars contained very little lithium, a trait they share with our sun.

To take a better galactic census, a team led by astronomer Rodrigo Ibata of the Strasbourg Observatory in France took the most detailed images yet of the space around Andromeda, exposing swarms of faint stars distributed near the galaxy.

An Australian - led group of astronomers working with European collaborators has revealed the «DNA» of more than 340,000 stars in the Milky Way, which should help them find the siblings of the Sun, now scattered across the sky.

Alternatively, an MIT - led group of astronomers is developing the Transiting Exoplanet Survey Satellite, or TESS, a spacecraft containing an array of telescopes that would survey the entire sky, looking for exoplanets in the habitable zone around the nearest and brightest stars.

«The ALMA data reveal that AzTEC - 3 is a very compact, highly disturbed galaxy that is bursting with new stars at close to its theoretically predicted maximum limit and is surrounded by a population of more normal, but also actively star - forming galaxies,» said Dominik Riechers, an astronomer and assistant professor at Cornell University in Ithaca, New York, and lead author on a paper published today (Nov. 10) in the Astrophysical Journal.

An international team of astronomers led by Dr. Andrea Kunder of the Leibniz Institute for Astrophysics Potsdam (AIP) in Germany has discovered that the central 2000 light years within the Milky Way Galaxy hosts an ancient population of stars.

Examining the dense globular cluster of stars that hosts the pulsar, astronomers led by Francesco Ferraro, also at Bologna, found a red star near the pulsar's radio position.

This star - making frenzy gives rise to galactic wind that pushes out more gas than the system keeps in, leading astronomers to estimate that M82 will run out of fuel in just 8 million years.

A team of astronomers led by Wouter Vlemmings, Chalmers University of Technology, have used the telescope Alma (Atacama Large Millimetre / Submillimetre Array) to make the sharpest observations yet of a star with the same starting mass as the Sun.

Describing the discovery October 16 in Astrophysical Journal Letters, the team of astronomers led by Arjen van der Wel of the Max Planck Institute for Astronomy in Heidelberg, Germany report that the lensing galaxy is relatively light, young and bursting with new stars.

In particular, the Deep Impact mission blasted a crater in the comet Tempel 1 so astronomers could study the makeup of the debris, providing a «Rosetta stone» for interpreting the composition of material around stars, says Lisse, who led the Deep Impact analysis.

«We saw what looked like a new star,» says astronomer Edo Berger of Harvard University, who led a team that spotted the light with the DECam on the Blanco telescope in Chile.

To spot the black hole's event horizon, a team of astronomers — led by Michael Garcia and Ramesh Narayan of the Harvard - Smithsonian Center for Astrophysics in Cambridge, Massachusetts — watched what happened as a black hole stole gas away from a nearby star.

An international team of astronomers led by Paulo Freire of the Jodrell Bank Observatory at the University of Manchester, United Kingdom, detected the gas by observing 15 millisecond pulsars — compact, rapidly spinning stars that emit bursts of radio waves with clockwork precision.

«It was an exciting thing to stumble upon,» says astronomer and lead author Rok Roškar of the University of Washington, Seattle, who notes that recent observations support the model's conclusion that radial migration of stars might be quite pervasive in the Milky Way.

Now, new observations show that light from a nearby neutron star is significantly polarized, reports a team led by Roberto Mignani, an astronomer at the Institute for Spatial Astrophysics in Milan, Italy, reports.

One possibility, notes astronomer and lead author Patrick Dufour of the University of Arizona, Tucson, is that the stars simply might not have grown massive enough — about 10 times heavier than the sun — to explode but are so close to the limit that they might be harboring abnormally high amounts of carbon.

Two teams of astronomers led by researchers at the University of Cambridge have looked back nearly 13 billion years, when the Universe was less than 10 percent its present age, to determine how quasars — extremely luminous objects powered by supermassive black holes with the mass of a billion suns — regulate the formation of stars and the build - up of the most massive galaxies.

A new study led by University of California, Riverside astronomers casts light on how young, hot stars ionize oxygen in the early universe and the effects on the evolution of galaxies through time.

Jonathan Grindlay, an astronomer at Harvard University, leads the Digital Access to a Sky Century at Harvard program, which will digitize more than 500,000 glass plates — some showing as many as 100,000 stars — taken by telescopes around the world between 1880 and 1985.

Given that the shocks will only however lead to a brief (in astronomical terms) increase in star formation, astronomers have to be very lucky to catch the cluster at a time in its evolution when the galaxies are still being «lit up» by the shock.

A team led by astronomer Eiichi Egami of the University of Arizona, Tucson, used the signal to determine that the stars are 125 million to 200 million years old.

Astronomers working with NASA's Nuclear Spectroscopic Telescope Array (NuSTAR), led by Caltech's Fiona Harrison, have found a pulsating dead star beaming with the energy of about 10 million suns.

«Despite all odds, we see the best evidence yet that low - mass stars are forming startlingly close to the supermassive black hole at the center of the Milky Way,» said Farhad Yusef - Zadeh, an astronomer at Northwestern University in Evanston, Illinois, and lead author on the paper.

An international team of astronomers led by the Max Planck Institute for Astronomy (MPIA) has made a surprising discovery about the birthplace of groups of stars located in the halo of our Milky Way galaxy.

The result mirrors that of another team led by the University of Arizona astronomer Huan Meng, which also flagged dust as the likely cause of the star's odd behavior in October 2017.

A team led by astronomer Paul Kalas of the University of California, Berkeley, detected a planetary candidate orbiting Fomalhaut, a star 25 light - years away in the constellation Pisces Australis (the Southern Fish), using visible - light observations from the Hubble Space Telescope.

A team of astronomers led by Maria Rosa Zapatero Osorio of the Astrophysics Institute of the Canary Islands used two Spanish telescopes to find 18 faint, red objects in a cluster of stars called Sigma Orionis.

A Sydney - led international group of astronomers has revealed the «DNA» of more than 340,000 stars in the first major data release from the Galactic Archaeology survey GALAH for clues about how galaxies formed and evolved.

An international team of astronomers, led by PhD student Erik Kool of Macquarie University in Australia, used laser guide star imaging on the Gemini South telescope to study why we don't see as many of these core - collapse supernovae as expected.

In 2015, a team of astronomers led by Yale's Tabetha Boyajian saw the light from the star KIC 8462852 suddenly and repeatedly dip in brightness.

An international team of astronomers, led by the University Göttingen and with researchers from AIP, has found that one of the stars in NGC 3201 is being flung backwards and forwards at speeds of several hundred thousand kilometres per hour, with the pattern repeating every 167 days.

When two neutron stars collided on Aug. 17, a widespread search for electromagnetic radiation from the event led to observations of light from the afterglow of the explosion, finally connecting a gravitational - wave - producing event with conventional astronomy using light, according to an international team of astronomers.

Maunakea, Hawaii — An international team of astronomers led by the Max Planck Institute for Astronomy (MPIA) has made a surprising discovery about the birthplace of groups of stars located in the halo of our Milky Way galaxy.

Mauna Kea, HI — A team of scientists led by astronomers at the University of California, Riverside has used NASA's Hubble Space Telescope and the W. M. Keck Observatory to uncover the long - suspected underlying population of galaxies that produced the bulk of new stars during the universe's early years.

This same combination was also used to find other super-Earths orbiting nearby stars in planet searches led by UH astronomer Andrew Howard and UC Berkeley Professor Geoffrey Marcy.

Within his search for nebulae, Charles Messier both undertook own scans, leading to 19 original Messier discoveries during that year, and used all the catalogs compiled previously by other astronomers he had access to: Edmond Halley's list of 6 objects, the catalog of William Derham, who chiefly had extracted from Hevelius» star catalog, Prodomus Astronomiae, which was available in a French translation by Pierre de Maupertuis, and Nicolas Lacaille's Catalog of Southern «Nebulae» of 1755, as well as lists of Maraldi and Le Gentil, with some references to (but very probably not the list of) De Chéseaux, probably from Le Gentil.