White Dwarfs
Proceedings of the 10th European Workshop on White Dwarfs, held in Blanes, Spain, 17–21 June 1996
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Article
Future gamma-ray missions’ polarimetric prospects
High-energy astrophysics polarimetry may significantly benefit from e-ASTROGAM and from AMEGO mission proposals, since to date limited polarimetric measurements were performed in this domain, exclusively under...
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Article
Background for a gamma-ray satellite on a low-Earth orbit
The different background components in a low-Earth orbit have been modeled in the 10 keV to 100 GeV energy range. The model is based on data from previous instruments and it considers both primary and secondar...
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Article
The e-ASTROGAM mission
e-ASTROGAM (‘enhanced ASTROGAM’) is a breakthrough Observatory space mission, with a detector composed by a Silicon tracker, a calorimeter, and an anticoincidence system, dedicated to the study of the non-ther...
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Article
The Large Observatory for X-ray Timing (LOFT)
High-time-resolution X-ray observations of compact objects provide direct access to strong-field gravity, to the equation of state of ultradense matter and to black hole masses and spins. A 10 m2-class instrument...
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Chapter
Binary Systems and Their Nuclear Explosions
The nuclear energy supply of a typical star like the Sun would be ~ 1052 erg if all the hydrogen could be incinerated into iron peak elements. Since the gravitational binding energy is ~ 1049 erg, it is evident t...
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Article
Beacons in the sky: Classical novae vs. X-ray bursts
Thermonuclear runaways are at the origin of some of the most energetic and frequent stellar cataclysmic events. In this review talk, we outline our understanding of the mechanisms leading to classical nova exp...
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Chapter
Nucleosynthesis in nova explosions: Prospects for its observation with focusing telescopes
Nova explosions are caused by the explosive burning of hydrogen in the envelope of accreting white dwarfs. During the thermonuclear runaway some radioactive isotopes are synthesized, which emit γ -rays when they ...
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Chapter
MAX, a Laue diffraction lens for nuclear astrophysics
The next generation of instrumentation for nuclear astrophysics will have to achieve a factor of 10–100 improvement in sensitivity over present technologies. With the focusing gamma-ray telescope MAX we take u...
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Chapter and Conference Paper
Beacons in the sky: Classical novae vs. X-ray bursts
Thermonuclear runaways are at the origin of some of the most energetic and frequent stellar cataclysmic events. In this review talk, we outline our understanding of the mechanisms leading to classical nova exp...
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Article
Nucleosynthesis in nova explosions: Prospects for its observation with focusing telescopes
Nova explosions are caused by the explosive burning of hydrogen in the envelope of accreting white dwarfs. During the thermonuclear runaway some radioactive isotopes are synthesized, which emit γ -rays when th...
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Article
MAX, a Laue diffraction lens for nuclear astrophysics
The next generation of instrumentation for nuclear astrophysics will have to achieve a factor of 10–100 improvement in sensitivity over present technologies. With the focusing gamma-ray telescope MAX we take u...
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Chapter and Conference Paper
X-Ray Emission from Classical Novae
Classical novae are expected to be bright soft X-ray sources after out-burst, due to the steady hydrogen burning of the material left on top of the white dwarf after the outburst. But observations performed by...
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Chapter and Conference Paper
Future Integral Observations of Classical Novae
Classical novae can produce γ-ray emission of two types, according to its duration: prompt emission, related to electron-positron annihilation (with positrons coming from the short-lived isotopes 13N and 18F) and...
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Article
White dwarfs as tracers of galactic evolution
White dwarfs are the final remnants of low and intermediate mass stars. Their evolution is essentially a cooling process that lasts for ∼10 Gyr and allows to obtain information about the age of the Galaxy as w...
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Article
SIXE: An X-Ray Experiment for the MINISAT Platform
SIXE (Spanish Italian X-ray Experiment) is an X-ray detector withgeometric area of 2300 cm2, formed by four identical gas-filledMulticell Proportional Counters, and devoted to study the long termspectroscopy of ...
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Chapter
SIXE: An X-Ray Experiment for the Minisat Platform
SIXE (Spanish Italian X-ray Experiment) is an X-ray detector with geometric area of 2300 cm2, formed by four identical gas-filled Multicell Proportional Counters, and devoted to study the long term s...
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Chapter
White Dwarfs as Tracers of Galactic Evolution
White dwarfs are the final remnants of low and intermediate mass stars. Their evolution is essentially a cooling process that lasts for ~ 10 Gyr and allows to obtain information about the age of the Galaxy as ...
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Book and Conference Proceedings
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Chapter
Pre-Explosion Evolution of Sub-Chandrasekhar Type Ia Supernovae
The final fate of helium accreting low-mass carbon-oxygen white dwarfs is very dependent on their evolution during the accretion phase. Depending on the initial mass and mass-transfer rate, a nuclear instabili...
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Chapter and Conference Paper
Halo White Dwarfs: A Conservative Point of View
Recent gravitational microlensing experiments by the MACHO collaboration suggest that the dark matter in the galactic halo could be predominantly in the form of white dwarfs. In this paper we compute the lumin...
