Element abundances in the stars of the MILES spectral library: the Mg/Fe ratio

AC Milone, AE Sansom… - Monthly Notices of the …, 2011 - academic.oup.com
Abstract We have obtained [Mg/Fe] measurements for 76.3 per cent of the stars in the Mid-
resolution Isaac Newton Telescope Library of Empirical Spectra (MILES) spectral library …

Evolutionary stellar population synthesis with MILES–II. Scaled-solar and α-enhanced models

A Vazdekis, P Coelho, S Cassisi… - Monthly Notices of …, 2015 - academic.oup.com
We present models that predict spectra of old-and intermediate-aged stellar populations at
2.51 Å (FWHM) with varying [α/Fe] abundance. The models are based on the MILES library …

sMILES: a library of semi-empirical MILES stellar spectra with variable [α/Fe] abundances

AT Knowles, AE Sansom… - Monthly Notices of …, 2021 - academic.oup.com
We present a new library of semi-empirical stellar spectra that is based on the empirical
Medium resolution Isaac Newton Library of Empirical Spectra (MILES) library. A new, high …

Multi-element abundance measurements from medium-resolution spectra. II. Catalog of stars in Milky Way dwarf satellite galaxies

EN Kirby, P Guhathakurta, JD Simon… - The Astrophysical …, 2010 - iopscience.iop.org
We present a catalog of Fe, Mg, Si, Ca, and Ti abundances for 2961 stars in eight dwarf
satellite galaxies of the Milky Way (MW): Sculptor, Fornax, Leo I, Sextans, Leo II, Canes …

Extremely metal-poor stars. II. Elemental abundances and the early chemical enrichment of the Galaxy

SG Ryan, JE Norris, TC Beers - The Astrophysical Journal, 1996 - iopscience.iop.org
We have obtained high-resolution spectra of 23 very metal-poor stars and present an
abundance analysis for 19 of these for elements between Mg and Eu. The sample …

A chromosome map to unveil stellar populations with different magnesium abundances. The case of ω Centauri

AP Milone, AF Marino, A Renzini, C Li… - Monthly Notices of …, 2020 - academic.oup.com
Historically, photometry has been largely used to identify stellar populations [multiple
populations (MPs)] in globular clusters (GCs) by using diagrams that are based on colours …

Tests of model predictions for the responses of stellar spectra and absorption-line indices to element abundance variations

AE Sansom, AC Milone, A Vazdekis… - Monthly Notices of …, 2013 - academic.oup.com
A method that is widely used to analyse stellar populations in galaxies is to apply the
theoretically derived responses of stellar spectra and line indices to element abundance …

Stellar Compositions from Narrow-Band Photometry—III: Iron Abundances in a Further 120 Evolved Stars

PM Williams - Monthly Notices of the Royal Astronomical …, 1972 - academic.oup.com
Using narrow-band indices observed with the Cambridge spectrophotometer and analysed
using synthetic spectra computed from model atmospheres, the iron abundances of a further …

Abundances of light elements in metal-poor stars. I. Atmospheric parameters and a new T_eff scale

RG Gratton, E Carretta, F Castelli - arXiv preprint astro-ph/9603011, 1996 - arxiv.org
We present atmospheric parameters for about 300 stars of different chemical composition,
whose spectra will be used to study the galactic enrichment of Fe and light elements. These …

Evolutionary stellar population synthesis with MILES–I. The base models and a new line index system

A Vazdekis, P Sánchez-Blázquez… - Monthly Notices of …, 2010 - academic.oup.com
We present synthetic spectral energy distributions (SEDs) for single-age, single-metallicity
stellar populations (SSPs) covering the full optical spectral range at moderately high …