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Related papers: StellaR: a Package to Manage Stellar Evolution Tra…

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We extend to lower metallicities recent evolutionary computations devoted to Magellanic Clouds stars, presenting and discussing new stellar models with Z=0.0002, 0.0004, 0.0006, 0.001 and suitable assumptions about the original He content.…

Astrophysics · Physics 2009-11-10 P. Cariulo , S. Degl'Innocenti , V. Castellani

We present the Stromlo Stellar Tracks, a set of stellar evolutionary tracks, computed by modifying the Modules for Experiments in Stellar Astrophysics (MESA) 1D stellar evolution package, to fit the Galactic Concordance abundances for hot…

Astrophysics of Galaxies · Physics 2021-03-02 K. Grasha , A. Roy , R. S. Sutherland , L. J. Kewley

Protoplanetary disks are thought to be the birth places of planetary systems. The formation and the subsequent evolution of protoplanetary disks are regulated by the star formation process, which begins with the collapse of a cloud core to…

Astrophysics of Galaxies · Physics 2015-03-13 P. Manoj

A methodology for downscaling solar irradiation from satellite-derived databases is described using R software. Different packages such as raster, parallel, solaR, gstat, sp and rasterVis are considered in this study for improving solar…

Atmospheric and Oceanic Physics · Physics 2013-12-02 F. Antonanzas-Torres , F. J. Martínez de Pisón , J. Antonanzas , O. Perpiñán

We have developed a new parallel supercomputer code based on Henon's Monte Carlo method for simulating the dynamical evolution of globular clusters. This new code allows us to calculate the evolution of a cluster containing a realistic…

Astrophysics · Physics 2007-05-23 F. A. Rasio

Stellar evolution models are a cornerstone of young star astrophysics, which necessitates that they yield accurate and reliable predictions of stellar properties. Here, I review the current performance of stellar evolution models against…

Solar and Stellar Astrophysics · Physics 2016-02-03 Gregory A. Feiden

Astronomy is in an era where all-sky surveys are mapping the Galaxy. The plethora of photometric, spectroscopic, asteroseismic and astrometric data allows us to characterise the comprising stars in detail. Here we quantify to what extent…

Solar and Stellar Astrophysics · Physics 2017-05-03 George C. Angelou , Earl P. Bellinger , Saskia Hekker , Sarbani Basu

Research is an incremental, iterative process, with new results relying and building upon previous ones. Scientists need to find, retrieve, understand, and verify results in order to confidently extend them, even when the results are their…

Computation · Statistics 2023-06-30 Gabriel Becker , Sara E. Moore , Michael Lawrence

Accumulation of new data on stellar hierarchical systems and the progress in numerical simulations of their formation open the door to genetic classification of these systems, where properties of a certain group (family) of objects are…

Solar and Stellar Astrophysics · Physics 2021-09-21 Andrei Tokovinin

During the last few decades, great effort has been made towards understanding hydrodynamical processes which determine the structure and evolution of stars. Up to now, the most stringent constraints have been provided by helioseismology and…

Solar and Stellar Astrophysics · Physics 2015-05-13 Jadwiga Daszynska-Daszkiewicz

Recent advances in stellar population modelling and avalanches of data from mega-surveys have revived the interest in techniques to extract information about galaxy evolution from integrated spectra. This contribution provides an informal…

Astrophysics · Physics 2007-05-23 Roberto Cid Fernandes

We summarize some of the compelling new scientific opportunities for understanding stars and stellar systems that can be enabled by sub-mas angular resolution, UV/Optical spectral imaging observations, which can reveal the details of the…

STECKMAP stands for STEllar Content and Kinematics via Maximum A Posteriori likelihood. It is a tool for interpreting galaxy spectra in terms of their stellar populations, through the derivation of their star formation history,…

Astrophysics of Galaxies · Physics 2023-03-07 P. Ocvirk

We review recent work that investigates the formation of stellar clusters, ranging in scale from globular clusters through open clusters to the small scale aggregates of stars observed in T associations. In all cases, recent advances in…

Astrophysics · Physics 2007-05-23 Cathie J. Clarke , Ian A. Bonnell , Lynne A. Hillenbrand

We present MASSCLEAN, a new, sophisticated and robust stellar cluster image and photometry simulation package. This visualization tool is able to create color-magnitude diagrams and standard FITS images in any of the traditional optical and…

Astrophysics · Physics 2015-05-13 Bogdan Popescu , M. M. Hanson

During this last decade our knowledge of the evolutionary properties of stars has significantly improved. This result has been achieved thanks to our improved understanding of the physical behavior of stellar matter in the thermal regimes…

Solar and Stellar Astrophysics · Physics 2015-05-14 Santi Cassisi

Stellar spectra contain a large amount of information about the conditions in stellar atmospheres. However, extracting this information is challenging and demands comprehensive numerical modelling. Here, we present stellar spectra…

Solar and Stellar Astrophysics · Physics 2023-03-07 N. Kostogryz , A. I Shapiro , V. Witzke , D. Grant , H. R. Wakeford , K. B. Stevenson , S. K. Solanki , L. Gizon

ISO observations will improve our understanding of disks around low-mass pre-main-sequence stars in various ways. In particular, ISO can measure simultaneously spectral energy distributions and low-resolution spectra from 2 to 12 \um of T…

Astrophysics · Physics 2007-05-23 A. Natta , M. R. Meyer , S. V. W. Beckwith

We investigate the dynamical formation and evolution of binaries containing neutron stars in dense globular clusters. Our numerical simulations combine a simple Monte Carlo prescription for stellar dynamics, a sophisticated binary…

Astrophysics · Physics 2007-05-23 Natalia Ivanova , John M. Fregeau , Frederic A. Rasio

Oscillations occur in stars of most masses and essentially all stages of evolution. Asteroseismology is the study of the frequencies and other properties of stellar oscillations, from which we can extract fundamental parameters such as…

Astrophysics · Physics 2009-11-13 Hans Kjeldsen , Timothy R. Bedding , Joergen Christensen-Dalsgaard
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