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481por Andresen, R“…The discussion ranged from non-degenerated stellar X-ray sources and stellar coronae tL supernovae, bursters, globular clusters, normal galaxies and finally to cosmology. …”
Publicado 1981
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482“…Neill Reid (Space Telescope Science Institute) who provides an overview of the stellar populations in the Milky Way and speculates on from whence came the Sun. …”
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483por Sikivie, Pierre“…The combined constraints from accelerator searches, stellar evolution limits and cosmology suggest that the axion mass is in the range $3 \cdot 10^{-3} > m_a > 10^{-6}$ eV. …”
Publicado 2006
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484“…As a result, this theory can avoid both stellar bounds (which exist for axions) and the bounds from CMB considered recently, allowing for positive results in experiments like ALPS, LIPPS, OSQAR, PVLAS-2, BMV, Q&A, etc.…”
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485por Roulet, Esteban“…It is emphasized that the results at present are indicative of a lensing population of white dwarfs, possibly in the spheroid (not dark halo) of the Galaxy, together with the more standard backgrounds of stellar populations in the Magellanic Clouds and in the Galaxy. …”
Publicado 2000
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486por Kwok, Sun“…In this paper, we discuss to what extent stellar organics has enriched the primordial Solar System and possibly the early Earth.…”
Publicado 2011
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487por Gillon, Michaël, Jehin, Emmanuël, Lederer, Susan M., Delrez, Laetitia, de Wit, Julien, Burdanov, Artem, Van Grootel, Valérie, Burgasser, Adam, Triaud, Amaury H. M. J., Opitom, Cyrielle, Demory, Brice-Olivier, Sahu, Devendra K., Bardalez Gagliuffi, Daniella, Magain, Pierre, Queloz, Didier“…Stellar-like objects with effective temperatures of 2700K and below are referred to as “ultracool dwarfs”1. …”
Publicado 2016
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488por Sedda, Manuel Arca, Berry, Christopher P. L., Jani, Karan, Amaro-Seoane, Pau, Auclair, Pierre, Baird, Jonathon, Baker, Tessa, Berti, Emanuele, Breivik, Katelyn, Caprini, Chiara, Chen, Xian, Doneva, Daniela, Ezquiaga, Jose M., Ford, K. E. Saavik, Katz, Michael L., Kolkowitz, Shimon, McKernan, Barry, Mueller, Guido, Nardini, Germano, Pikovski, Igor, Rajendran, Surjeet, Sesana, Alberto, Shao, Lijing, Tamanini, Nicola, Warburton, Niels, Witek, Helvi, Wong, Kaze, Zevin, Michael“…In the years to come, ground-based gravitational-wave observatories such as LIGO, Virgo, and their successors will increase in sensitivity, discovering thousands of stellar-mass binaries. In the 2030s, the space-based LISA will provide gravitational-wave observations of massive black holes binaries. …”
Publicado 2021
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489por Kwok, Sun“…Authored by an experienced writer and a well-known researcher of stellar evolution, interstellar matter and spectroscopy, this unique treatise on the formation and observation of organic compounds in space includes a spectroscopy refresher, as well as links to geological findings and finishes with the outlook for future astronomical facilities and solar system exploration missions. …”
Publicado 2012
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490por Bloch, Itay M., Caputo, Andrea, Essig, Rouven, Redigolo, Diego, Sholapurkar, Mukul, Volansky, Tomer“…In the latter case, we find that keV mass bosons produced in the Sun provide an adequate fit to the data but are excluded by stellar cooling constraints. We address this tension by introducing a novel Chameleon-like axion model, which can explain the excess while evading the stellar bounds. …”
Publicado 2020
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491por Raffelt, Georg G“…We discuss two examples of current interest, the search for solar axions by the CAST experiment at CERN and stellar-evolution limits on the size of putative large extra dimensions.…”
Publicado 2002
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492“…We also discuss the effects of a time varying $\alpha$ on stellar structure and evolution. We find that radioactive dating of ancient stars can offer a new observational window.…”
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493“…An infrared, non-stellar object has been identified at R.A.=13/sup h/ 43/sup m/ 23.…”
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494por Kozai, Yoshihide“…In this paper the theory of secular perturbations of asteroids with high inclinations and eccentricities (1962) is reviewed and extended analytically for orbits of Kuiper-belt objects and the problem of stellar three bodies consisting of a binary and a distant third body. …”
Publicado 2004
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495“…This range includes parameter values invoked in the context of the observed anomalies in light propagation over astronomical distances and to explain the excessive cooling observed in a number of stellar objects. Here we review the status of the IAXO project and of its potential to probe the most physically motivated regions of the axion/ALPs parameter space.…”
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496por Reale, Fabio“…Finally, a brief discussion about stellar coronal loops is followed by highlights and open questions.…”
Publicado 2014
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497por Glicenstein, J F“…In 1986, it was suggested that the microlensing of sources in dense stellar fields could constrain the mass fraction of MACHOs in the dark halo. …”
Publicado 2000
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498“…As an interdisciplinary meeting it promotes mutual understanding and collaboration over fields fundamental to solve a range of open questions, from the origin of the elements to stellar evolution. Inherent part of the conference is a school devoted to students and young scientists where prominent scientists introduce the field of nuclear astrophysics to the participants.…”
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499“…The cosmic neutrino background, stellar neutrinos, supernova neutrinos and ultrahigh-energy cosmic neutrinos, together with the cosmological matter-antimatter asymmetry and other roles of massive neutrinos in cosmology, are discussed in detail. …”
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500“…This volume is divided into four sections and consists of 25 chapters, the first of which provides general information on nebular variables, including their stellar associations and their classifi…”
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