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171 papers · 1 filter
The Role of Massive Agb Stars in the Early Solar System Composition
Josep M. Trigo-Rodriguez, Domingo Anibal Garcia-Hernandez, Maria Lugaro +4
We demonstrate that a massive asymptotic giant branch (AGB) star is a good candidate as the main source of short-lived radionuclides in the early solar system. Recent identificatio…
Light element abundances in carbon-enhanced metal-poor stars
Richard J. Stancliffe
We model the evolution of the abundances of light elements in carbon-enhanced metal-poor (CEMP) stars, under the assumption that such stars are formed by mass transfer in a binary…
Nucleosynthetic osmium isotope anomalies in acid leachates of the Murchison meteorite
L. Reisberg, N. Dauphas, A. Luguet +3
We present osmium isotopic results obtained by sequential leaching of the Murchison meteorite, which reveal the existence of very large internal anomalies of nucleosynthetic origin…
Multiple scattering of waves by a pair of gravitationally stratified flux tubes
Shravan M. Hanasoge, Paul S. Cally
We study the near-field coupling of a pair of flux tubes embedded in a gravitationally stratified environment. The mutual induction of the near-field {\it jackets} of the two flux…
Red giant stellar collisions in the Galactic Centre
James E. Dale, Melvyn B. Davies, Ross P. Church +1
We show that collisions with stellar--mass black holes can partially explain the absence of bright giant stars in the Galactic Centre, first noted by Genzel et al, 1996. We show th…
Blue Stragglers After the Main Sequence
Alison Sills, Amanda Karakas, John Lattanzio
We study the post-main sequence evolution of products of collisions between main sequence stars (blue stragglers), with particular interest paid to the horizontal branch and asympt…