Sentences with phrase «dwarf in a binary system»

In the other, the blast arises when two white dwarfs in a binary system eventually spiral inward and collide.

Novae, which are significantly less luminous than supernovae, are cataclysmic nuclear explosions that occur on the surface of a white dwarf in a binary system.

Not exact matches

We also want to start studying the known Y dwarfs in more detail to determine more - precise temperature estimates, estimate their masses, determine if any of them are actually binary systems and so on.

[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.

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.

«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.

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.

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

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.

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

My research concentrates on the study of exploding stars — mainly nova outbursts caused by thermonuclear explosions on the surface of white dwarfs in binary star systems.

Seen 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.

The planet orbits a pulsar in a binary system with a white dwarf.

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

Thus, US 708 could have originally resided in an ultra compact binary system, transferring helium to a massive white dwarf companion, ultimately triggering a thermonuclear explosion of a type Ia supernova.

(Please be patient while video loads) This opening image of this video is the brown dwarf binary CFBDSIR 1458 +10 and was obtained using the Laser Guide Star (LGS) Adaptive Optics system on the Keck II telescope in Hawaii.

The white dwarf must be in a binary system with a main sequence companion so that the amount the total shift due to the ordinary doppler effect can be determined and subtracted out.

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.

UC Santa Barbara Astrophysicists are the first to identify two white dwarf stars in an eclipsing binary system, allowing for the first direct radius measurement of a rare white dwarf.

Finding dwarf novas coming from the same binary system appears to indicate they work in cycles.

The orbit of an Earth - like planet around the tight binary system that star Ba forms with its brown dwarf companion in the liquid water zone would have to be centered around 1.1 AU — a little farther than Earth's orbital distance around Sol — with an orbital period exceeding one Earth year.

type 1a supernova A supernova that results from some binary (paired) star systems in which a white dwarf star gains matter from a companion.

Artist's conception of a rocky planet in a binary, low - mass star system that resembles the star / brown dwarf / planet system discovered by the OGLE team.

Astrophysicists at UC Santa Barbara are the first scientists to identify two white dwarf stars in an eclipsing binary system, allowing for the first direct radius measurement of a rare white dwarf composed of pure helium.