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Related papers: Yonsei evolutionary population synthesis (YEPS). I…

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We present a series of papers on the year-2012 version of Yonsei Evolutionary Population Synthesis (YEPS) model which is constructed on over 20 years of heritage. This first paper delineates the spectroscopic aspect of integrated light from…

Astrophysics of Galaxies · Physics 2015-06-11 Chul Chung , Suk-Jin Yoon , Sang-Yoon Lee , Young-Wook Lee

We present an evolutionary population synthesis model of the surface brightness fluctuation (SBF) for normal and He-enriched simple stellar populations (SSPs). While our SBF model for the normal-He population agrees with other existing…

Astrophysics of Galaxies · Physics 2020-10-21 Chul Chung , Suk-Jin Yoon , Hyejeon Cho , Sang-Yoon Lee , Young-Wook Lee

We present an evolutionary stellar population synthesis model which predicts SED's for simple stellar populations, SSP's, at ~2A resolution in the visible. The input database is composed of ~550 stars, selected from the spectral library of…

Astrophysics · Physics 2009-10-31 Alexandre Vazdekis

We present the single stellar population (SSP) synthesis results of our new synthetic stellar atmosphere models library with a spectral sampling of 0.3 A, covering the wavelength range from 3000 A to 7000 A for a wide range of metallicities…

Most Galactic Globular Clusters (GCs) harbour multiple populations of stars (MPs), composed of at least two generations: the first characterized by a "standard" $\alpha$-enhanced metal mixture, as observed in field halo stars of the Milky…

Solar and Stellar Astrophysics · Physics 2024-07-10 Vinicius Branco , Paula R. T. Coelho , Ariane Lançon , Lucimara P. Martins , Philippe Prugniel

[Abridged]. We present SEDs for single-age, single-metallicity stellar populations (SSPs) covering the optical range at resolution 2.3A (FWHM). These SEDs constitute our base models, as they combine scaled-solar isochrones with MILES…

Cosmology and Nongalactic Astrophysics · Physics 2010-04-27 A. Vazdekis , P. Sánchez-Blázquez , J. Falcón-Barroso , A. J. Cenarro , M. A. Beasley , N. Cardiel , J. Gorgas , R. F. Peletier

We take a closer look at our published results of determination of ages, metallicities, helium mass fractions and abundances of chemical elements in Galactic globular clusters in order to find possible signatures of the phenomenon of…

Astrophysics of Galaxies · Physics 2021-02-03 M. E. Sharina , V. V. Shimansky

Over the last decades, evolutionary population synthesis models have powered an unmatched leap forward in our understanding of galaxies. From dating the age of the first galaxies in the Universe to detailed measurements of the chemical…

Astrophysics of Galaxies · Physics 2024-11-13 I. Martín-Navarro , A. Vazdekis

Determining the properties of old stellar populations (those with age >1 Gyr) has long involved the comparison of their integrated light, either in the form of photometry or spectroscopic indexes, with empirical or synthetic templates. Here…

Astrophysics of Galaxies · Physics 2018-06-06 E R Stanway , J J Eldridge

In this paper, I review to what extent we can understand the photometric properties of star clusters, and of low-mass, unresolved galaxies, in terms of population synthesis models designed to describe `simple stellar populations' (SSPs),…

Astrophysics of Galaxies · Physics 2009-11-05 A. Gustavo Bruzual

We compare six popularly used evolutionary population synthesis (EPS) models (BC03, CB07, Ma05, GALEV, GRASIL, Vazdekis/Miles) through fitting the full optical spectra of six representative types of galaxies (star-forming and composite…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-18 X. Y. Chen , Y. C. Liang , F. Hammer , Ph. Prugniel , G. H. Zhong , M. Rodrigues , Y. H. Zhao , H. Flores

We include gaseous continuum and line emission into our GALEV models for the spectral and photometric evolution of Simple Stellar Populations (SSPs) for various metallicities in the range 0.02 <= Z/Zsun <= 2.5. This allows to extend them to…

Astrophysics · Physics 2010-04-06 Peter Anders , Uta Fritze -- v. Alvensleben

Taking advantage of recent important advances in the calculation of high-resolution spectral grids of stellar atmospheres at short wavelengths, and their implementation for population synthesis models, we briefly review here some special…

Astrophysics · Physics 2007-09-19 A. Buzzoni , E. Bertone , M. Chavez , L. H. Rodriguez-Merino

We present simple stellar population (SSP) models with scaled-solar and alpha-element enhanced abundances. The SSP models are based on the Dartmouth Stellar Evolution Database, our library of synthetic stellar spectra, and a detailed…

Astrophysics of Galaxies · Physics 2015-05-13 Hyun-chul Lee , Guy Worthey , Aaron Dotter

This is the third paper of a series reporting the results from the POPSTAR evolutionary synthesis models. The main goal of this work is to present and discuss the synthetic photometric properties of Single Stellar Populations (SSPs)…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-15 M. L. García-Vargas , M. Mollá , M. L. Martín-Manjón

This paper is the 4th in a series describing the latest additions to the BaSTI stellar evolution database, which consists of a large set of homogeneous models and tools for population synthesis studies. Here we present a new set of low and…

Astrophysics · Physics 2008-12-18 Susan M. Percival , Maurizio Salaris , Santi Cassisi , Adriano Pietrinferni

Using Yunnan evolutionary population synthesis (EPS) models, we present integrated colours, integrated spectral energy distributions (ISEDs) and absorption-line indices defined by the Lick Observatory image dissector scanner (Lick/IDS)…

Solar and Stellar Astrophysics · Physics 2010-06-24 F. Zhang , Z. Han , L. Li

We build the Yunnan-III evolutionary population synthesis (EPS) models by using the MESA stellar evolution code, BaSeL stellar spectra library and the initial mass functions (IMFs) of Kroupa and Salpeter, and present colours and integrated…

Solar and Stellar Astrophysics · Physics 2015-06-11 F. Zhang , L. Li , Z. Han , Y. Zhuang , X. Kang

We present stellar atmosphere and evolution models of main sequence stars in two stellar populations of the Galactic globular cluster NGC 6752. These populations represent the two extremes of light-element abundance variations in the…

Solar and Stellar Astrophysics · Physics 2015-06-23 Aaron Dotter , Jason Ferguson , Charlie Conroy , A. P. Milone , A. F. Marino , David Yong

High resolution spectral models for simple stellar populations (SSP) developed in the past few years have become a standard ingredient in studies of stellar population of galaxies. As more such models become available, it becomes…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-14 Roberto Cid Fernandes , Rosa M. Gonzalez Delgado
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