Sentences with phrase «stars in a binary system»

Many supernova impostors appear to be massive stars in a binary system — two stars in orbit of one another.

Astrophysicists have predicted that short - duration GRBs are created when a pair of super-dense neutron stars in a binary system spiral together.

«The size of the glitch indicates that the interiors of neutron stars in binary systems may be quite different to the interiors of isolated neutron stars.»

They also dismissed the possibility of interference from Alpha Centauri A, the other star in the binary system, or from an unrelated, more distant star system that could have just been passing behind.

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 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.

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.

Objects orbiting one of the stars in a binary system will be strongly affected by the gravity of the other and so can be more easily ejected from the system than if it had just one star.

In Type 1 supernovas, one star in the binary system is a white dwarf, a dying star that has consumed almost all of its hydrogen.

Type Ia supernovae are fairly rare in the nearby Universe and represent the explosion of at least one white dwarf star in a binary system.

A breakthrough has been made as scientists discover a tiny star in a binary system located around 14,800 light years away.

Left: A normal star in a binary system pulls in matter from an aging companion star that has swelled to a bloated red giant.

Indeed, stable orbits may extend as far as one third of the closest separation between any two stars in a binary system, but according to NASA's Kepler Mission team, numerical integration models have shown that there is a range of orbital radii between about 1/3 and 3.5 times the stellar separation for which stable orbits around two stars are not possible (Holman and Wiegert, 1999; Wiegert and Holman, 1997; and Donnison and Mikulskis, 1992).

Not exact matches

The energy spectrum and periodic fluctuations of the X-rays, recorded by the INTEGRAL satellite, suggest they are coming from young binary star systems in which a neutron star is stealing matter from its massive companion.

Mordehai Milgrom began his career studying objects called ultracompact neutron stars in binary star systems.

Astronomy textbooks have long told neophyte stargazers that three of every five points of light in the night sky are waltzing pairs of stars called binary systems.

In fact, the nebula contains a prominent cavity that was carved out by an energetic binary star system.

The situation, says former LHCb spokesperson and University of Oxford physicist Guy Wilkinson, is roughly analogous to a planetary system in which the light quark is akin to a planet orbiting a binary pair of massive stars.

But when Hugues Sana of the University of Amsterdam in the Netherlands and colleagues looked at 71 stars with masses greater than 15 times that of our sun, they found that more than 70 per cent revolve with a companion in a binary system (Science, doi.org/h4k).

The worlds are aptly named «circumbinary planets» («circum» meaning around, and «binary» referring to two objects), and in this type of binary system, the two stars orbit each other while the planet orbits the two stars (pictured above).

In some rare cases, a planet in a binary system may spiral around the axis that connects its two stars — although how such planets come to be is uncleIn some rare cases, a planet in a binary system may spiral around the axis that connects its two stars — although how such planets come to be is unclein a binary system may spiral around the axis that connects its two stars — although how such planets come to be is unclear

Though our sun stands alone, about 40 percent of similar stars are in binary (two - star) or multi-star systems, orbiting their companions in a gravitational dance.

Working with UW astronomer Eric Agol, doctoral student Ethan Kruse has confirmed the first «self - lensing» binary star system — one in which the mass of the closer star can be measured by how powerfully it magnifies light from its more distant companion star.

Kruse was looking for transits others might have missed in data from the planet - hunting Kepler Space Telescope when he saw something in the binary star system KOI - 3278 that didn't make sense.

They suggested that the magnetar formed through the interactions of two very massive stars orbiting one another in a binary system so compact that it would fit within the orbit of the Earth around the Sun.

«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.»

[3] Type Ia Supernovae occur when an accreting white dwarf in a binary star system slowly gains mass from its companion until it reaches a limit that triggers the nuclear fusion of carbon.

Reporting in an upcoming issue of The Astrophysical Journal, astronomers say the same cloud of dust and gas that gave birth to the star — known as 1RXS JI60929.1 - 210524 and located about 450 light - years away in the constellation Scorpius — probably split apart, which is what often happens when binary star systems are born.

The discovery came as a complete surprise, as the team assumed the dusty white dwarf was a single star but co-author Dr Steven Parsons (University of Valparaíso and University of Sheffield), an expert in double star (or binary) systems noticed the tell - tale signs.

X-ray binaries, as their name implies, occur in a two - star system in which a neutron star is accompanied by a more normal, low - mass star.

Located in the plane of the galaxy, Circinus X-1 is the glowing husk of a binary star system that exploded a mere 2,500 years ago.

The planet is in a binary star system, so it might also be the case that the second star in the binary made a close approach that threw HD 20782 off a more circular orbit.

«Our knowledge of binary evolution suggests that, if the companion star can survive the transition, brown dwarfs should be common in this type of system.

Residing in the plane of the Milky Way, where it can not be observed by optical telescopes because of obscuring clouds of interstellar dust, Circinus X-1 is the glowing husk of a binary star system that exploded in a supernova event just 2,500 years ago.

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

The binary star system Par 1802 within the Orion Nebula poses a riddle in stellar evolution.

In the background is the star's binary companion, Kepler - 13B, and the third member of the multiple - star system is the orange dwarf star Kepler - 13C.

«While these systems are interesting, they are dark in any other form of radiation and relatively little can be understood from them compared to binary neutron star systems.

Regardless, the newly discovered planet leads a turbulent existence: it orbits one star in a binary star system, with the other star close enough to disturb the planet's orbit.

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

Cygnus X-1 was found as part of a binary star system in which an extremely hot and bright star called a blue supergiant formed an accretion disk around an invisible object.

In the 1990s she made a series of groundbreaking observations of the still - mysterious binary star system known as Cygnus X-3.

There are few environments more extreme than a binary star system in which planet formation can occur.

«It's not clear that this one system represents everything that can eventually form black hole - neutron star binaries in the galaxy.»

Alex Mustill at Lund Observatory in Sweden and his colleagues mimicked more general scenarios, including planets orbiting a binary star system, and got similar results.

Next they ruled out a false positive, usually caused by an eclipsing binary - star system in the background, with two relatively small telescopes on the ground, which offer better spatial resolution than COROT does.

We could soon be learning more about black holes and binary star systems, according to Marianna Yuling Mao, of Mission San Jose High School in Fremont, Calif..

Researchers using the Very Large Telescope in Chile have now determined IRS 2 to be a binary system, a pair of stars separated by about 500 times the distance between Earth and the sun.

In the original work by Brown, slightly different classes of false positives were used: MPU (main - sequence star with a giant planet); MSU (undiluted binaries); and the two types of diluted binaries, MSDF (an eclipsing binary + a third non-related star) and MSDT (triple systems).

In binary star systems like this one, though, the stars will play pinball with the poor planet before losing it forever, according to simulations by Moeckel and Dimitri Veras, also at Cambridge.