Low-Metallicity
Revealing the cold dust in low-metallicity environments
... example, see Dale et al. 2012 , for KINGFISH). Indeed we allow our β obs to go to very low values, giving lower dust masses than if we fixed it to 1.5 or even 2.0: as we allow a greater emission effciency for the ...
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Massive Oe/Be stars at low metallicity: Candidate progenitors of long GRBs?
... The angular momentum still available at this late phase of stellar evolution is the larger, the less mass and, therefore, angular momentum the progenitor star has lost during its lifetime. Since radiatively driven mass ...
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Transiting exoplanets from the CoRoT space mission IX. CoRoT-6b: a transiting `hot Jupiter' planet in an 8.9d orbit around a low-metallicity star
... a low value to the ec- centricity at the distance of ...a low core mass, consistent with the low-metallicity of the parent star and the star-planet metal- licity correlation; and (2) either ...
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Evolution of massive Be and Oe stars at low metallicity towards the Long Gamma Ray bursts\footnote{Based on ESO runs 069.D-0275(A), 072.D-0245(A) and (C).}
... at low metallicity B-type stars rotate faster than in envi- ronments of high ...the low metallicity massive Be and Oe stars as potential LGRB ...that low metallicity Be/Oe stars ...
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Modeling the physical properties in the ISM of the low-metallicity galaxy NGC 4214
... in low-metallicity galaxies? Addressing this question is important to understand the evo- lution of low-metallicity galaxies, which undergo more bursty star formation than normal ...
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Massive Be and Oe stars at low metallicity and long gamma ray bursts
... at low metallicity As shown in ...lower metallicity envi- ...lower metallicity O, B, A, and Be stars rotate faster than their counterparts in higher metallicity en- vironment (Keller ...
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On the behaviour of B and Be stars at low metallicity.
... at low metallicity. First, we show the effects of the metallicity of the environment on their rotation (linear, angular, and at the ...of metallicity and evolution on the appearance of Be ...
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The extra-mixing efficiency in very low metallicity RGB stars
... very low metallicity RGB stars nature and efficiency are still objects of debate (see, for in- stance, Palacios et ...very low metal content is still poorly known, as is its metallicity ...
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Probing the impact of metallicity on the dust properties in galaxies
... in low-metallicity galaxies is necessary to start tackling these ...as metallicity, star-formation activity, morphology ...highest metallicity dwarf ...
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The luminosity-metallicity relation in the local Universe from the 2dF Galaxy Redshift Survey
... the low-metallicity regime and using pho- toionization models for the high-metallicity regime (see Garnett 2002 for a ...for low-ionization H II regions and for ...
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Determining the metallicity of the solar envelope using seismic inversion techniques
... a low metallicity, as presented in Vorontsov et ...high metallicity as a ...a low-metallicity ...unrealistically low, one should keep in mind that errors of the order of ...
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Metallicity vs. Be phenomenon relation in the solar neighborhood
... In order to separate the stars in two sets carrying possible information on differences in initial matallicity content, we separated them into “galactic- center” and “galactic anti-center” groups. Fig. 1b shows that ...
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The correlation between mixing length and metallicity on the giant branch: implications for ages in the Gaia era
... In low metallicity clusters, for example, where the model giant branch was bluer than the data, it is likely that increased reddening or higher metallicity were assumed during the isochrone fitting ...
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Metallicity dependence of high-mass X-ray binary populations
... on metallicity with a confidence greater than 1−5 × 10 −5 ...the metallicity of the galaxies is milder than that predicted by a sharp ...than low-metallicity ones, hence biasing the slope to ...
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The Low-Threshold Calcium Channel Cav3.2 Determines Low-Threshold Mechanoreceptor Function
... Fast-conducting myelinated axons and large cell bodies char- acterize A-fiber-associated sensory neurons (Aa, b, or d), which are involved mostly in touch and proprioception. Slowly con- ducting unmyelinated fibers with ...
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Low Coherence Interferometry
... Low Coherence Interferometry 4.1. Introduction Optical wave frequencies are very high, the eye and other detectors respond to light intensity only, in other words to the time average of the electric field ...
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Exploring low carbon futures.
... Mediation between actors and domains. The GETS device provided a strong basis for coordination among the main stakeholders of the inquiry on carbon markets: the electricity sector, the industry, the European Commission, ...
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Low Delay Transform for High Quality Low Delay Audio Coding
... for low delay block switching in real life low delay audio coding, several experiments based on Low Delay AAC (LD-AAC) and Enhanced Low Delay AAC (ELD-AAC) were con- ducted and are presented ...
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Traffic analysis of low and ultra-low frame-rate videos
... to low resolution and/or perspective, (4) showing vehicles with different orientations, (5) taken under challenging weather conditions, and (6) exhibiting strong compression ...
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ELODIE metallicity-biased search for transiting Hot Jupiters II. A very hot Jupiter transiting the bright K star HD189733
... tween the V − K colour and radii measured from interferome- try that shows very little dispersion for low-mass stars (∼ 1 %). This calibration gives a radius of 0.77 R ⊙ for HD 189733. Empirical and theoretical ...
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