Sentences with phrase «binary systems»

High - pressure vapor - liquid equilibria of two binary systems: Carbon dioxide + cyclohexanol and carbon dioxide + cyclohexanone

For more information on the reliability of many evaluation systems, particularly the binary systems used by the vast majority of school districts, see S. Glazerman, D. Goldhaber, S. Loeb, S. Raudenbush, D. Staiger, and G. Whitehurst, «Evaluating Teachers: The Important Role of Value - Added.»

«If we can detect more systems, we can nail down under what circumstances black holes formed and evolved to form binary systems that ultimately merged.»

These waveform models have been implemented and are employed in the continuing search for coalescing binary systems with the LIGO and Virgo detectors, and are crucial to detect the signals.

Aside from writing the book on symbiotic stars (The Symbiotic Stars, published by Cambridge University Press), I study the physical structure and long - term evolution of these binary systems.

«About 16 % of near - Earth asteroids larger than 200 meters in diameter [those detected by Earth - based radar] may be binary systems.»

Half of Sun - like stars are born in binary systems, meaning that these findings will have major consequences for the hunt for exoplanets.

In a study published in the journal Nature, researchers led by Michael Shara, from the American Museum of Natural History, New York, started looking back at thousands of years» worth of historical records of binary systems that could have been responsible.

We observe a high fraction of red giants in binary systems, for which g - dominated mixed modes ar... ▽ More The frequencies of oscillation modes in stars contain valuable information about the stellar properties.

This trend leads us to investigate whether this is specific for binary systems or a more general feature.

Fryer's computational astrophysics work involving the largest explosions in the universe has impacted some of the most important open questions in astrophysics, including the origin of the elements, the nature and evolution of the first stars, the gravitational wave signals from compact binary systems, and the mechanism responsible for gamma ray bursts.

Some short - duration GRBs may be the product of mergers between neutron stars (or neutron stars and black holes) in close binary systems (more from Insights Magazine and the movie).

Adding to the recent spate of planetary finds, astronomers from NASA's Goddard Space Flight Center and San Diego State University (SDSU) announced yesterday they've discovery the largest - known planet to orbit two stars, confirming theories about large planets around binary systems.

So far, only about 10 percent of known pulsars are believed to be part of binary systems — most of them orbiting ancient white dwarf stars.

The photom... ▽ More Wide - field searches for transiting extra-solar giant planets face the difficult challenge of separating true transit events from the numerous false positives caused by isolated or blended eclipsing binary systems.

However, measuring the masses of all of the binary systems in the Galaxy would take much too long a time — there are over a hundred billion binary systems in the Galaxy!

Abstract: Wide - field searches for transiting extra-solar giant planets face the difficult challenge of separating true transit events from the numerous false positives caused by isolated or blended eclipsing binary systems.

Scientists believe that the lack of such binary systems is because of the process of a neutron star's formation.

Astronomers studying two rare types of binary systems containing rapidly spinning neutron stars called pulsars have observed some unique behavior — these pulsars consume their mates.

Type I supernovae happen in close binary systems and do not show strong hydrogen emission lines.

According to astronomers, they have observed the same behavior among the two binary systems in question.

At least 18 black widow and nine redback binary systems have been found within the Milky Way so far, and additional members of each class have been discovered within the dense globular star clusters that orbit our galaxy.

The discovery of planets orbiting other star systems, including similar binary systems (Gamma Cephei), raises the possibility that additional planets may exist in the Alpha Centauri system.

late stages of stellar evolution: white dwarfs, isolated and in interacting binary systems, stellar explosions on white dwarfs (novae and type Ia supernovae).

Several of them are X-ray binary systems that contain a neutron star or black hole orbiting a Sun - like star.

formation around cool stars Abstract: The distinction between planetary systems and binary systems is especially fraught for the lowest mass primaries.

(See also «Delta Tri» in the Eighth Catalogue of the Orbital Elements of Spectroscopic Binary Systems.)

More than half of all known stars belong to binary systems or to multiple - star systems containing binary stars.

The distinction between planetary systems and binary systems is especially fraught for the lowest mass primaries.

In such a cluster, massive stars would sink towards the centre and, through complex interactions with lighter stars, form binary systems, possibly long after their transformation into black holes.

Martin agrees that there are too few binary systems to account for the number of puffy planets seen.

Most of these detections are then rejected by means of an analysis of the light - curves, taking into account the depth, duration, shape and color signature, among others, and become classified as unspecified binary systems (for details of this procedure see Carpano et al. 2009).

We instead expect that there are fewer faint diluted binary systems (which cause these low - amplitude candidates) than assumed in the simulations by Brown.

In consequence, this population will typically be of later spectral types, which presents lower fractions of binary systems (Lada 2006); hence the impact of false alarms from faint EBs is less for deeper samples.

The galactic center teems with gamma - ray sources, from interacting binary systems and isolated pulsars to supernova remnants and particles colliding with interstellar gas.

There are currently two main theories describing how these binary systems become supernovae.

But when Demos Kazanas at the NASA Goddard Space Flight Center and his colleagues looked at 18 years» worth of X-ray observations of neutron stars in binary systems in the Small Magellanic Cloud, they found that half were slowing down — at the same rate as the others were accelerating.

The team sifted through data from all the x-ray sources situated within 70 light - years of Sgr A *, searching for those that had characteristics of black holes and neutron stars in binary systems and found four sources within just three light - years of the central black hole.

Once they determined that binary systems are very efficient at ejecting rocky objects, and that a sufficient number of them exist, they were satisfied that «Oumuamua very likely came from a binary system.

Observations of the explosions of white dwarf stars in binary systems, so - called Type Ia supernovae, in the 1990s then led scientists to the conclusion that a third component, dark energy, made up 68 % of the cosmos, and is responsible for driving an acceleration in the expansion of the universe.

The fastest pulsars are in binary systems with another object, like a star or a white dwarf.

Most scientists are sure that in the centre of our galaxy there is a supermassive black hole; there are binary systems where one of the components is most likely a black hole.

Studying pulsar binary systems could be a good way to observe them and check that the predictions of general relativity are true.

The resulting pairs don't form binary systems, however: Lacking sufficient gravity from the parent, the newborn asteroid goes its own way, but follows its parent's original orbit.

Most stars in our Milky Way galaxy are members of binary systems.

«Circumbinary castaways: Short - period binary systems can eject orbiting worlds.»

«Mass exchange in binary systems seems to be vital to account for Wolf - Rayet stars and the supernovae they make, and catching binary stars in this short - lived phase will help us understand this process.»

Occasionally, some primordial black holes will pass close enough to be gravitationally captured into binary systems.

But the mass - transfer process in mammoth binary systems isn't always efficient.

They may simply be binary systems whose components eclipse each other.