43 citations · 84 across the 5 of their papers we have counts for
6 papers · 1 filter
Fluorine in carbon-enhanced metal-poor stars: a binary scenario
M. Lugaro, S. E. de Mink, R. G. Izzard +8
A super-solar fluorine abundance was observed in the carbon-enhanced metal-poor (CEMP) star HE 1305+0132 ([F/Fe] = +2.90, [Fe/H] = -2.5). We propose that this observation can be ex…
A Method to Derive the Absolute Composition of the Sun, the Solar System and the Stars
L. Piersanti, O. Straniero, S. Cristallo
The knowledge of isotopic and elemental abundances of the pristine solar system material provides a fundamental test of galactic chemical evolution models, while the composition of…
Short-lived isotopes and 23Na production in low mass AGB Stars
S. Cristallo, R. Gallino, O. Straniero +2
We discuss the synthesis of some short-lived isotopes and of 23Na in thermally pulsing AGB stars with initial mass of 2 Msun and two different metallicities (Z=1.5e-2, correspondin…
s Process in low-mass Asymptotic Giant Branch Stars
O. Straniero, R. Gallino, S. Cristallo
The main component of the s process is produced by low mass stars (between 1.5 and 3 Mo), when they climb for the second time the red giant branch and experience a series of He she…
First detection of a lithium rich carbon star in the Draco dwarf galaxy: evidence for a young stellar population
I. Dominguez, C. Abia, O. Straniero +2
We present a spectroscopic study of D461, a giant star belonging to Draco dwarf spheroidal galaxy. From spectral synthesis in LTE we derive a lithium abundance of log e(Li)=3.5+/-0…
Low mass AGB stellar models for 0.003 < Z < 0.02: basic formulae for nucleosynthesis calculations
Oscar Straniero, Inma Dominguez, Sergio Cristallo +1
We have extended our published set of low mass AGB stellar models to lower metallicity. Different mass loss rates have been explored. Interpolation formulae for luminosity, effecti…