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29 papers · 1 filter
Production of 26Al in stellar hydrogen-burning environments: spectroscopic properties of states in 27Si
A. Parikh, K. Wimmer, T. Faestermann +11
Model predictions of the amount of the radioisotope 26Al produced in hydrogen-burning environments require reliable estimates of the thermonuclear rates for the 26gAl(p,γ)27Si and…
EChO - Exoplanet Characterisation Observatory
G. Tinetti, J. P. Beaulieu, T. Henning +131
A dedicated mission to investigate exoplanetary atmospheres represents a major milestone in our quest to understand our place in the universe by placing our Solar System in context…
Improving smoothed particle hydrodynamics with an integral approach to calculating gradients
Domingo Garcia-Senz, Ruben M. Cabezon, Jose Antonio Escartin
In this paper we develop and test a fully conservative SPH scheme based on a tensor formulation that can be applied to simulate astrophysical systems. In the proposed scheme, deriv…
DECam integration tests on telescope simulator
M. Soares-Santos, J. Annis, M. Bonati +31
The Dark Energy Survey (DES) is a next generation optical survey aimed at measuring the expansion history of the universe using four probes: weak gravitational lensing, galaxy clus…
Type Ia supernovae and the DD scenario
J. Isern, E. García-Berro, P. Lorén-Aguilar
Type Ia supernovae are thought to be the outcome of the thermonuclear explosion of a white dwarf in a close binary system. Two possible scenarios, not necessarily incompatible, hav…
New phase diagrams for dense carbon-oxygen mixtures and white dwarf evolution
Leandro G. Althaus, Enrique García-Berro, Jordi Isern +2
Cool white dwarfs are reliable and independent stellar chronometers. The most common white dwarfs have carbon-oxygen dense cores. Consequently, the cooling ages of very cool white…