Sentences with phrase «gravitational wave observations»

This discovery will enable astronomers to compare the properties of black holes gleaned from gravitational wave observations with those of similar - mass black holes previously only detected with X-ray studies, and fills in a missing link between the two classes of black hole observations.

New information gleaned from gravitational wave observations is helping scientists understand what happens when massive stars die and transform into black holes.

Now, 5 years and several gravitational wave observations later, a neutron - star merger that Messick helped spot by analyzing gravitational wave signals is Science's 2017 Breakthrough of the Year.

Not exact matches

Steinhardt points out that inflationary theory in cosmology is supposed to be highly predictive, yet in this set of observations the realisation that gravitational waves have not actually been detected seems not to have caused any doubt about the theory.

Observations of the first electromagnetic counterpart to a gravitational - wave source by the TOROS collaboration.

The rippling red sheets are gravitational waves, which astronomers hope to detect with pulsar timing observations.

The new observation also tests a key property of the gravitational waves themselves, their polarization.

GW170814: A three - detector observation of gravitational waves from a binary black hole coalescence.

Connecting kilonovae and short gamma - ray bursts to neutron star mergers has so far been difficult, but the multitude of detailed observations following the detection of the gravitational wave event GW170817 has now finally verified these connections.

The paper, published in Nature, is based on data that came about following landmark observations of gravitational waves by the LIGO gravitational wave detector in 2015 and again in 2017.

Physicists have described how observations of gravitational waves limit the possible explanations for the formation of black holes outside of our galaxy; either they are spinning more slowly than black holes in our own galaxy or they spin rapidly but are «tumbled around» with spins randomly oriented to their orbit.

The researchers combined these «universal relations» with data on gravitational - wave signals and the subsequent electromagnetic radiation (kilonova) obtained during the observation last year of two merging neutron stars in the framework of the LIGO experiment.

The observation, via tell - tale swirls in maps of relic light from the big bang, represent the first clear detection of gravitational waves, which were first predicted by Albert Einstein.

Many physicists are hopeful that LIGO will make the first direct observation of gravitational waves in the next few years.

The Louisiana LIGO facility relied on precise observations of lengthy laser beams to detect gravitational waves.

«We saw ultraviolet light resulting from this gravitational - wave event as part of Swift observations of almost 750 different locations in the sky.

Besides putting Einstein to the test, the first confirmed observation of gravitational waves will mark the beginning of a new kind of astronomy.

Gravitational waves formed by binary supermassive black holes take months or years to pass Earth and require many years of observations to detect.

Combining observations of X-ray flares with those of gravitational waves emitted by the stars as they spiral together could fix the exact frequency at which the shattering occurs, which would reveal more about the stars» mysterious interiors, says Tsang.

A new observation of gravitational waves, announced by scientists with the Advanced Laser Interferometer Gravitational - Wave Observatory, LIGO, follows their first detection, reported earlier this year (SN: 3gravitational waves, announced by scientists with the Advanced Laser Interferometer Gravitational - Wave Observatory, LIGO, follows their first detection, reported earlier this year (SN: 3Gravitational - Wave Observatory, LIGO, follows their first detection, reported earlier this year (SN: 3/5/16, p. 6).

Editor's Note (10/3/17): This year's Nobel Prize in Physics was awarded to Rainer Weiss, Barry C. Barish and Kip S. Thorne «for decisive contributions to the LIGO detector and the observation of gravitational waves.»

Before now, the strongest evidence of gravitational waves came indirectly from observations of superdense, spinning neutron stars called pulsars.

Our observations of GW150914 did not allow us to put tight constraints on the speed of the gravitational waves, but the time delay between the arrival of the signal at the two LIGO detectors is consistent with them travelling at the speed of light.

Future observations of gravitational waves may lead to further insights about how a quantum gravity theory would work.

Combining observations in gravitational waves with those from more conventional telescopes can help tease out details of how these processes happen.

The existence of black holes tens of times more massive than our Sun was confirmed recently by the observation of gravitational waves, produced by the merger of pairs of massive black holes, with the LIGO interferometer.

And in a preprint paper we submitted immediately after Advanced LIGO's February 2016 announcement of its first gravitational - wave discovery (https://arxiv.org/abs/1603.05234)-- published this past March — we noted that it had probably detected the merging of such PBHs and estimated the rate of events expected in our scenario, which seems to agree with more recent observations.

The observations supported a 25 - year - old conjecture that neutron star mergers produce short gamma - ray bursts, and confirmed that gravitational waves travel at the same speed of light, ruling out some speculative alternatives to Einstein's theory of gravity and general relativity.

If this interpretation of the observations is correct, it could confirm a 30 - year - old prediction of the cosmic inflation theory: that the simplest models of inflation can generate an observable level of gravitational waves, comparable to density or temperature fluctuations in the early universe.

He and his colleagues understand where they went wrong two years ago and are now conducting follow - up observations for signs of gravitational waves from the Big Bang, produced some 13.8 billion years ago.

Though researchers often wait decades for Nobel recognition, the observation of gravitational waves was so monumental that the scientists were honored less than two years after the discovery's announcement.

The observation comes on the tail of rumours of a possible detection of neutron stars merging, which could cause gravitational waves we can observe on Earth.

The discovery was made possible by the enhanced capabilities of Advanced LIGO, a major upgrade that increases the sensitivity of the instruments compared to the first generation LIGO detectors, enabling a large increase in the volume of the universe probed — and the discovery of gravitational waves during its first observation run.

Astronomers have for the first time matched a gravitational - wave signal to a kilonova's burst of light, observations that will «go down in the history of astronomy.»

«Detecting gravitational waves will open a new window for observation and allow us to study objects in the universe in a way that can't be achieved using traditional astronomy techniques.»

The new LIGO discovery is the first observation of gravitational waves themselves, made by measuring the tiny disturbances the waves make to space and time as they pass through Earth.

«Our observation of gravitational waves accomplishes an ambitious goal set out over 5 decades ago to directly detect this elusive phenomenon and better understand the universe, and, fittingly, fulfills Einstein's legacy on the 100th anniversary of his general theory of relativity,» says Caltech's David H. Reitze, executive director of the LIGO Laboratory.

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.

The August 17 detection of a gravitational wave from the collision of two neutron stars by gravitational wave observatories in the U.S. and Europe initiated a rapid cascade of observations by a variety of orbiting and ground - based telescopes in search of an electromagnetic counterpart.

This image is part of an incredible observation that was announced this month: the first ever detection of a cosmic event by both light and gravitational waves.

Observationally, the long signal gave the LIGO team much more room for confirmation of the observation, further proving the worth of gravitational wave astronomy under diverse circumstances.

Indeed, the very first indirect observations of gravitational waves were made with pulsars: it was found that their rotational energy was decreasing (they rotated more slowly over time), at exactly the rate that we would expect if they were shedding that energy by giving off gravitational waves!

«The first direct observation of gravitational waves by LIGO is an extraordinary demonstration of scientific vision and persistence.

(Inside Science)-- The 2017 Nobel Prize in Physics was awarded to three American physicists «for decisive contributions to the LIGO detector and the observation of gravitational waves.»

The potential for such observations will be enhanced when new and existing interferometers start up alongside LIGO, allowing improved sensitivity and better pinpointing of gravitational - wave sources.

General relativity has been experimentally verified by observations of gravitational lenses, the orbit of the planet Mercury, the dilation of time in Earth's gravitational field, and gravitational waves from merging black holes.

But its announcement was delayed due to the time required to understand two other discoveries: a LIGO - Virgo three - detector observation of gravitational waves from another binary black hole merger on August 14, and the first - ever detection of a binary neutron star merger in light and gravitational waves on August 17.

Earlier this month Rainer Weiss, Barry Barish and Kip Thorne were awarded the Nobel Prize for Physics for the direct observation of gravitational waves by LIGO, in 2015.

He went on to add that combining observations of gravitational and electromagnetic waves was instrumental in multiple findings.

Another of his recent work, on how to strategically point telescopes to find electromagnetic counterparts to gravitational wave sources, was adapted for observations by the Very Large Array radio telescope in New Mexico, which successfully observed radio emission from the merger.