The Short Spectacular Life of a Superstar
@article{Gilmore2004TheSS, title={The Short Spectacular Life of a Superstar}, author={Gerry Gilmore}, journal={Science}, year={2004}, volume={304}, pages={1915 - 1916} }
Supernovae are spectacular events--the death throes of stars that can be seen across the universe--and they can leave behind puzzling remnants in the form of neutron stars or black holes. In his Perspective,
Gilmore
discusses results reported in the same issue by
Bietenholz
et al.
on the observation of a radio-emitting remnant in supernova 1986J. This unusual compact energetic object is apparently very similar to the supernova remnant in the Crab nebula, and represents the youngest neutron…
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References
SHOWING 1-10 OF 14 REFERENCES
Elusive Supernova Progenitors
- Physics
- 2003
Supernovae—the complete disruption of stars at the end of their lives—are among the most energetic events in the universe. But which sorts of stars give rise to supernovae?
To answer this…
Discovery of a Compact Radio Component in the Center of Supernova 1986J
- PhysicsScience
- 2004
Very-long-baseline interferometry observations have revealed a bright, compact radio component near the center of the expanding shell of supernova 1986J, which has an inverted radio spectrum different from that of the shell.
Circumstellar interaction and a pulsar nebula in the supernova 1986j
- PhysicsNature
- 1987
The supernova SN1986j was first discovered as a radio source in August 19861, although there were a number of pre-discovery observations. Here I show that the circumstellar interaction model for…
Have the Elusive Progenitors of Type Ia Supernovae Been Discovered?
- Physics
- 2003
The recent detection of Hα emission in the Type Ia supernova SN 2002ic could be taken to mean that the elusive progenitor systems of Type Ia supernovae have finally been identified. At first glance,…
Throwing Light on Dark Energy
- PhysicsScience
- 2003
New observational programs can trace the history of cosmic expansion more precisely and over a larger span of time than has been done to date to learn whether the dark energy is a modern version of Einstein's cosmological constant or another form of dark energy that changes with time.
How Massive Single Stars End Their Life
- Physics
- 2003
How massive stars die—what sort of explosion and remnant each produces—depends chiefly on the masses of their helium cores and hydrogen envelopes at death. For single stars, stellar winds are the…
Detection of a Red Supergiant Progenitor Star of a Type II-Plateau Supernova
- PhysicsScience
- 2004
The discovery of a red supergiant star that exploded as supernova 2003gd in the nearby spiral galaxy M74 confirms both stellar evolution models and supernova theories predicting that cool red supergiants are the immediate progenitor stars of type II–plateau supernovae.
The Supernova-Gamma-Ray Burst Connection
- Physics
- 1998
SN 1998bw and its corresponding relativistically expanding radio source are coincident with the γ-ray burst source GRB 980425. We searched for other possible supernova-γ-ray burst associations among…
Measuring Spacetime: From the Big Bang to Black Holes
- PhysicsScience
- 2002
Spectacular measurements of the cosmic microwave background, gravitational lensing, type Ia supernovae, large-scale structure, spectra of the Lyman alpha forest, stellar dynamics, and x-ray binaries are probing the properties of spacetime over 22 orders of magnitude in scale.
Evolution, Explosion, and Nucleosynthesis of Core-Collapse Supernovae
- Physics
- 2003
We present a new set of presupernova evolutions and explosive yields of massive stars of initial solar composition (Y = 0.285, Z = 0.02) in the mass range 13-35 M☉. All the models have been computed…