Close by Compact Objects and Recent Supernovae in the Solar Vicinity
نویسندگان
چکیده
I discuss young close-by compact objects, recent supernovae in the solar neighbourhood, and point to their connection with cosmic ray studies. Especially the role of the Gould Belt is underlined.
منابع مشابه
The Physics of Gamma-ray Sources
Observations of gamma-rays from objects and processes in the universe have become feasible during the past three decades, through advanced skills from high-energy laboratory physics and from space technology. These allow us to explore violent processes in the universe, which often escape detection at lower-energy radiation. Typical source processes are the collisions of energetic particles in c...
متن کاملYoung Close Isolated Compact Objects
We suggest that the seven radio-quiet isolated neutron stars observed with ROSAT are young cooling objects associated to recent near-by supernova explosions which formed runaway stars and the Local Bubble, affecting the topology of the interstellar medium in the vicinity of the Sun (within a few hundred parsecs). In the aftermath of these explosions, a few black holes might have been formed, ac...
متن کاملMixing in Zero and Solar Metallicity Supernovae
Two-dimensional simulations of mixing and fall back in non-rotating massive stars have been carried out using realistic initial models for the presupernova star and assuming standard spherically symmetric explosions of 1.2×10erg. Stars of 15 and 25 M with both primordial and solar composition were modeled. The zero metallicity supernova progenitors were compact blue stars and the amount of Rayl...
متن کاملNear - infrared properties of Blue Compact Dwarf Galaxies : the link between solar and low metallicity ⋆
We have obtained near-infrared images and spectra of three blue compact dwarf galaxies of intermediate sub-solar metallicity Tol 35, Tol 3 and UM 462. This work is part of a larger project aimed to study the star formation and the stellar populations of low metallicity galaxies in the near-infrared. In this frame work galaxies of intermediate metallicity represent an important step in understan...
متن کاملNumerical Simulation of the Freezing Process in Geothermal Boreholes Using Solar Heat Injection
Ground thermal energy as a clean and sustainable energy source has received significant attention lately. Several strategies and hybrid configurations have been proposed to harvest geothermal energy for air conditioning and industrial purposes. The possibility of moist soil freezing in the vicinity of borehole tubes is known to be the source of several benefits and difficulties. The high storag...
متن کامل