Evolutionary Sequences for Low Mass Stars
Pulsating low-mass white dwarfs in the frame of new evolutionary sequences : V. Asteroseismology of ELMV white dwarf stars
... fully evolutionary models characterized by a consistent chemical ...total mass, the mass of the H envelope, and the chemical composition of the core, among others) to find an optimal ...
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Low-Mass Stars and Their Companions
... stellar mass esti- ...host stars, there are a few stars that would be ideal candidates for applications of our ...for stars hosting at least two transiting planets each with P < 25 ...the ...
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New evolutionary sequences for extremely low-mass white dwarfs: Homogeneous mass and age determinations and asteroseismic prospects
... tionary sequences for He-core white dwarfs and especially ELM white dwarfs, which are derived consistently from binary evolu- tion, is therefore a pressing necessity for precise mass and cool- ing age ...
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The First Stars: A Low-Mass Formation Mode
... stars of our simulation are suffi- ciently short-lived to undergo a metal and dust-enriching AGB phase by z > 6, while the smaller 1 M star is long-lived enough that it may still be observed as carrying the ...
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NUCLEOSYNTHESIS IN LOW- AND INTERMEDIATE-MASS STARS: AN OVERVIEW
... ∼ 2 M ⊙ ), defined as those containing an electron-degenerate core at this phase of their evolution, may pass as much as 20% of their life as red giants. For intermediate-mass stars (M > ∼ 2 M ⊙ ), on the ...
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Studies of low mass interacting binary stars
... contact stars, since the stellar cores under th e CCE may be up to half a sub-type earlier than suggested by the envelope, thus having weeker deeply-rooted magnetic structures than might otherwise be ...
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Selected topics in the evolution of low-mass stars
... the mass-loss rates of cool stars has been proposed by Cranmer & Saar [28] which seems to provide an even better fit to the empirical data [see also ...stellar evolutionary tracks is concerned, is ...
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Rotation of Low-mass Stars in Taurus with K2
... of stars that is largely in the foreground of the Taurus molecular ...foreground stars is biased and incomplete, but nearly all stars (37/38) are ...for mass) is similar to that found in other ...
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Observational probes of helium ignition in low mass stars
... later evolutionary stages of Solar–type stars are governed by nuclear reac- tions that successively convert helium into carbon and carbon into ...evolved, low–mass stars as a function ...
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Modelling the hidden magnetic field of low mass stars
... of stars. These maps in turn are used to study the structure of the stars’ coronae and ...of low-lying magnetic loops that covers most of the surface, including the stellar equivalent of solar ...
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Simulating radio emission from low mass stars
... Understanding the origins of stellar radio emission can provide invaluable insight into the strength and geometry of stellar magnetic fi elds and the resultant space weather environment experienced by exoplanets. Here, we ...
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2D dynamics of the radiative core of low mass stars
... of low mass stars all along their evolution is of primary interest when studying their rotational dynamics, internal mixing and magnetic field ...type stars at different evolutionary ...
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Exoplanets around Low-mass Stars Unveiled by K2
... Another possible mechanism that could lead to a de ficiency of close-in planets with large sizes is high-eccentricity migration (e.g., Rasio & Ford 1996 ; Nagasawa & Ida 2011 ) coupled with the disruption of ...
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Young, Low-Mass Stars: X-rays and Circumstellar Environments
... stellar mass should be very weak ...extreme low-mass end of the stellar initial mass function and increase our survey statistics, we have conducted a Cycle 18 Chandra Large Program survey of ...
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CiteSeerX — Fundamental Properties of Low-Mass Stars and Brown Dwarfs
... very low-mass stars and brown dwarfs are governed by the forma- tion of molecules and dust grains in a relatively high-temperature, high-gravity environ- ment compared to laboratory ...and ...
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Low-mass stars: Open problems all along their evolution
... Although low-mass stars have a comparatively simple structure, current stellar models are far from reproducing them ...of low-mass stars without a convective ...for stars ...
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Low-mass variable stars in the globular cluster NGC 6397
... – stars: chromo- spheres – stars: low-mass – stars: variables: ...of stars, i.e. practically all stars were born from the same molecular cloud ...M stars in ...
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Young, Low-Mass Stars: X-rays and Circumstellar Environments
... their low luminosities and close-in habitable zones M stars represent the best targets for the discovery and characterization of potentially habitable exoplanets, but low-mass pre-main ...
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Characterizing K2 Candidate Planetary Systems Orbiting Low-mass Stars. I. Classifying Low-mass Host Stars Observed during Campaigns 1–7
... the stars that were visually identi fied as dwarfs with spectral types of K3 or later, we used a series of empirical relations to re fine the stellar ...for stars with spectral types between mid-K and mid-M ...
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The secondary stars in cataclysmic variables and low-mass X-ray binaries
... secondary stars in cataclysmic variables (CVs) and low-mass X-ray binaries (LMXBs), using the new catalogue of Ritter & Kolb as a starting ...reliable mass determinations of CV secondary ...
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