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