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stellar evolution

BASTI: an interactive database of updated stellar evolution models

BASTI: an interactive database of updated stellar evolution models

... We have accounted for all of these crite- ria to set up the archive of stellar evolution- ary models described in this paper. In the next section we shortly discuss the physical inputs adopted in the model ...

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A large stellar evolution database for population synthesis studies. I. Scaled solar models and isochrones

A large stellar evolution database for population synthesis studies. I. Scaled solar models and isochrones

... used stellar evolution databases and perform some empirical tests for the reliability of our ...disk stellar populations, employing multicolor photometry of unevolved field main sequence stars with ...

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A LARGE STELLAR EVOLUTION DATABASE FOR POPULATION SYNTHESIS STUDIES. II. STELLAR MODELS AND ISOCHRONES FOR AN -ENHANCED METAL DISTRIBUTION

A LARGE STELLAR EVOLUTION DATABASE FOR POPULATION SYNTHESIS STUDIES. II. STELLAR MODELS AND ISOCHRONES FOR AN -ENHANCED METAL DISTRIBUTION

... of stellar evolution models and isochrones for an -enhanced metal distribution typical of Galactic halo and bulge stars; it represents a homogeneous extension of our stellar model library for a ...

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The empirical mass distribution of hot B subdwarfs: Implications for stellar evolution theory

The empirical mass distribution of hot B subdwarfs: Implications for stellar evolution theory

... binary evolution scenarios of Han et ...for stellar evolution theory on the formation of sdB stars are discussed in Section 3, and finally early conclusions are presented in Section ...

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1 Firm and Less Firm Outcomes of Stellar Evolution Theory

1 Firm and Less Firm Outcomes of Stellar Evolution Theory

... of stellar structure and evolution is one of the most successful theories of complex astrophysical ...structure, evolution and outcome of stars in the whole range of masses and compositions that ...

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Full lifetime simulations of multiple unequal mass planets across all phases of stellar evolution

Full lifetime simulations of multiple unequal mass planets across all phases of stellar evolution

... of stellar evolution through the violent giant branch poses computational challenges, and previous studies restricted architectures to equal-mass ...

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Effects of non Kozai mutual inclinations on two planet system stability through all phases of stellar evolution

Effects of non Kozai mutual inclinations on two planet system stability through all phases of stellar evolution

... main sequence mass stated in the plot title. Dots (which are green) indicate stable simulations, whereas star symbols indicate unstable simulations. Orange and brown stars respectively represent instability on the main ...

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Stellar Astrophysics: Stellar Evolution 1. Stellar Evolution

Stellar Astrophysics: Stellar Evolution 1. Stellar Evolution

... instability proceeds to allow runaway oxygen and silicon burning of the star’s core in a few seconds, creating a thermonuclear explosion[1]. With more thermal energy released than the stars’ gravitational binding energy, ...

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Mass Transfer in Binary Stellar Evolution and Its Stability

Mass Transfer in Binary Stellar Evolution and Its Stability

... basic evolution equations; Equations ((72), (73), (75), and (76)) from Equations ((51)-(54)) in Section ...the evolution equations numerically leads to a different outcome than what one would expect ...

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Stellar evolution and the Standard Solar Model

Stellar evolution and the Standard Solar Model

... of stellar regions (the so called “gravitational energy”) and neutrino energy ...the stellar radius (except the case of very dense stellar nuclei of massive stars at the end of their life) and thus ...

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Rotation and stellar evolution

Rotation and stellar evolution

... the evolution in the HR diagram of 3 M models computed with a solar chemical composition and a solar-calibrated mixing-length ...the stellar luminosity for the rotating model compared to the non-rotating ...

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Stellar evolution and planetary nebula ejection

Stellar evolution and planetary nebula ejection

... similar. Between models 1 and 2, however, the neutrino losses begin to have an appreciable effect. The central temperature, instead of continuing to increase as in the earlier sequence, passes through a maximum and ...

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Trends of Stellar Evolution in Modern Physics

Trends of Stellar Evolution in Modern Physics

... At the moment it seems that the short-range forces (of strong as well as weak interaction) are not accidentally discarded from the consideration of the strength of gravitational and electrical interactions. It is ...

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How does a low-mass cut-off in the stellar IMF affect the evolution of young star clusters?

How does a low-mass cut-off in the stellar IMF affect the evolution of young star clusters?

... different stellar initial mass functions (IMFs) can affect the mass-loss and survival of star ...through stellar evolution, but the response to this mass-loss is to expand and hence significantly ...

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Dynamical Asteroseismology: towards improving the theories of stellar structure and (tidal) evolution

Dynamical Asteroseismology: towards improving the theories of stellar structure and (tidal) evolution

... Fig. 1.—Nitrogen abundance (12 log [N/H]) against the projected rotational velocity ( v sin i ) for (a) core hydrogen burning and (b) supergiant objects. Open symbols, radial velocity variables; downward arrows, ...

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Pluto's lower atmosphere and pressure evolution from ground-based stellar occultations, 1988-2016

Pluto's lower atmosphere and pressure evolution from ground-based stellar occultations, 1988-2016

... two stellar images that travel along the limb of Pluto probe different density pro- ...the stellar images that follow the northern and southern limbs probe an atmosphere that, respectively, has the entry ...

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The spatial evolution of young massive clusters - I. A new tool to quantitatively trace stellar clustering

The spatial evolution of young massive clusters - I. A new tool to quantitatively trace stellar clustering

... tion an OB star can have w.r.t. other OB stars, stellar concentra- tions around an OB star may continue to increase. We find that Tr16 does not follow this trend, which is consistent with what is known about the ...

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Cosmic CARNage II: the evolution of the galaxy stellar mass function in observations and galaxy formation models

Cosmic CARNage II: the evolution of the galaxy stellar mass function in observations and galaxy formation models

... One way to study this problem is to directly observe galaxies forming and evolving in the distant Universe. At high redshift ( z > 1), deep near-infrared observations are vital to select galaxies by rest-frame optical ...

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Dust evolution in pre-stellar cores

Dust evolution in pre-stellar cores

... SIGMA (Simple Icy Grain Model for Aggregates) relies on effective medium theory to compute refractive indexes from laboratory measurements and Mie theory applied to a distri- bution of hollow spheres (DHS) to mimic ...

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Mass Assembly of Stellar Systems and Their Evolution with the SMA (MASSES)—1.3 mm Subcompact Data Release

Mass Assembly of Stellar Systems and Their Evolution with the SMA (MASSES)—1.3 mm Subcompact Data Release

... We wanted the targeted cloud to be nearby and have a large protostellar population so that one can statisti- cally constrain protostellar evolution, but not so large of a sample that a survey is impractical for ...

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