Literatura científica selecionada sobre o tema "Stars of low metallicity"
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Artigos de revistas sobre o assunto "Stars of low metallicity"
Pakmor, Rüdiger, Christine M. Simpson, Freeke van de Voort, Lars Hernquist, Lieke van Son, Martyna Chruślińska, Rebekka Bieri, Selma E. de Mink e Volker Springel. "Formation and fate of low-metallicity stars in TNG50". Monthly Notices of the Royal Astronomical Society 512, n.º 3 (16 de março de 2022): 3602–15. http://dx.doi.org/10.1093/mnras/stac717.
Texto completo da fonteSabach, Efrat. "Jsolated Stars of Low Metallicity". Galaxies 6, n.º 3 (15 de agosto de 2018): 89. http://dx.doi.org/10.3390/galaxies6030089.
Texto completo da fonteBouret, J. C., T. Lanz, F. Martins, W. L. F. Marcolino, D. J. Hillier, E. Depagne e I. Hubeny. "Massive stars at low metallicity". Astronomy & Astrophysics 555 (18 de junho de 2013): A1. http://dx.doi.org/10.1051/0004-6361/201220798.
Texto completo da fonteHirschi, R. "Very low-metallicity massive stars:". Astronomy & Astrophysics 461, n.º 2 (9 de outubro de 2006): 571–83. http://dx.doi.org/10.1051/0004-6361:20065356.
Texto completo da fonteHirschi, Raphael, Cristina Chiappini, Georges Meynet, André Maeder e Sylvia Ekström. "Stellar Evolution at Low Metallicity". Proceedings of the International Astronomical Union 3, S250 (dezembro de 2007): 217–30. http://dx.doi.org/10.1017/s1743921308020528.
Texto completo da fonteGarcia, Miriam, Artemio Herrero, Francisco Najarro, Inés Camacho, Daniel J. Lennon, Miguel A. Urbaneja e Norberto Castro. "Low-metallicity (sub-SMC) massive stars". Proceedings of the International Astronomical Union 12, S329 (novembro de 2016): 313–21. http://dx.doi.org/10.1017/s1743921317003088.
Texto completo da fonteKarakas, Amanda I., Maria Lugaro e Simon W. Campbell. "The slow-neutron capture process in low-metallicity asymptotic giant branch stars". Proceedings of the International Astronomical Union 5, S265 (agosto de 2009): 57–60. http://dx.doi.org/10.1017/s1743921310000165.
Texto completo da fonteBomans, Dominik J., e Kerstin Weis. "Massive variable stars at very low metallicity?" Proceedings of the International Astronomical Union 6, S272 (julho de 2010): 265–70. http://dx.doi.org/10.1017/s1743921311010519.
Texto completo da fonteYang, Ming, Alceste Z. Bonanos, Biwei Jiang, Man I. Lam, Jian Gao, Panagiotis Gavras, Grigoris Maravelias et al. "Evolved massive stars at low-metallicity". Astronomy & Astrophysics 647 (março de 2021): A167. http://dx.doi.org/10.1051/0004-6361/202039596.
Texto completo da fonteBonifacio, P. "Low Metallicity Stars in our Galaxy". EAS Publications Series 24 (2007): 251–61. http://dx.doi.org/10.1051/eas:2007034.
Texto completo da fonteTeses / dissertações sobre o assunto "Stars of low metallicity"
Masters, Craig Eugene Ashman Keith M. "The formation of low metallicity globular clusters". Diss., UMK access, 2007.
Encontre o texto completo da fonte"A dissertation in physics and mathematics." Advisor: Keith M. Ashman. Typescript. Vita. Title from "catalog record" of the print edition Description based on contents viewed Nov. 13, 2007. Includes bibliographical references (leaves 67-70). Online version of the print edition.
Szécsi, Dorottya [Verfasser]. "The evolution of low-metallicity massive stars / Dorottya Szécsi". Bonn : Universitäts- und Landesbibliothek Bonn, 2016. http://d-nb.info/1113688262/34.
Texto completo da fonteFukushima, Hajime. "Radiative feedback from massive stars in low-metallicity environments". Kyoto University, 2019. http://hdl.handle.net/2433/242603.
Texto completo da fonteKrawchuk, Curtis A. P. "The determination of metallicity and temperature of low-mass stars using broad-band photometry". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape15/PQDD_0035/MQ27361.pdf.
Texto completo da fonteLindgren, Sara. "Metallicity determination of M dwarfs". Doctoral thesis, Uppsala universitet, Observationell astrofysik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-332102.
Texto completo da fonteVerdugo, Salgado Celia Anahi. "Star formation in low gas density and low metallicity environments". Observatoire de Paris, 2015. https://hal.science/tel-02095302.
Texto completo da fonteIn nearby galaxies, an empirical relation has been established between star formation and gas surface densities, the Kennicutt-Schmidt (KS). The relation is nearly linear when molecular gas (H2) is considered, while is less tight with atomic hydrogen (HI). These low gas density regions are of a key importance in the field of star formation, since the are also low metallicity environments, resembling the conditions of a younger universe. This thesis summarizes the observational work done with the IRAM 30MT telescope in two kinds of such regions : disk galaxies with extended ultra-violet emission (XUV), and the interstellar medium going into the hot intra-cluster medium (ICM) under ram-pressure stripping in the Virgo cluster. The galex telescope has unveiled in far ultra-violet (FUV) star formation in the outer parts of some disk galaxies that was not traced by HA. To determine the presence of H2 and analyse the K-S relation in these regions, CO observations where done in the outskirts of several XUV disk galaxies, finding both detections and upper limits. These K-S relations showed a broken power law at low gas densities, below the HI-H2 threshold. In the Virgo cluster, similar CO observations were done along the HI tidal arm connecting NGC4388 and M86, where no H2 is expected. Two detections were found, showing very low star formation efficiencies (depleting less than 0,1 % of the gas reservoir per 10 [exposant] 8 yr), and showing again a disconuity of the K-S relation at low gas densities, probing that the process of a gas consumption into stars well known at high densities cannot be extrapolated to lower densities, and that H2 can survive a certain time in the hostile ICM
Rajpurohit, Arvind Singh. "Low-mass stars as tracers of the milky way populations : investigating the effects of metallicity in cool atmosphere". Thesis, Besançon, 2013. http://www.theses.fr/2013BESA2023/document.
Texto completo da fonteVery Low-Mass stars (M dwarfs) are an important source of information for probing the lowmass end of the main sequence, down to the hydrogen burning limit. They are the dominantstellar component of the Galaxy and make up the majority of baryonic matter in the Galaxy.Moreover, an increasing number of M dwarfs are now known to host exoplanets, includingsuper-Earth exoplanets. The determination of accurate fundamental parameters for M dwarfshas therefore relevant implications for both stellar and Galactic astronomy as well as planetology.Despite their large number in the Galaxy, M dwarfs remain elusive objects and themodelling of their photosphere has long remained a challenge (molecular opacities, dust cloudformation). The description of these stars therefore need a strong empirical basis, or validation.In particular, the effect of metallicity on the physics of cool atmospheres are still poorly known,even for early-type M-dwarfs.[...]
Ramachandran, Varsha [Verfasser], e Wolf-Rainer [Akademischer Betreuer] Hamann. "Massive star evolution, star formation, and feedback at low metallicity : quantitative spectroscopy of OB stars in the Magellanic Clouds / Varsha Ramachandran ; Betreuer: Wolf-Rainer Hamann". Potsdam : Universität Potsdam, 2019. http://d-nb.info/1218405058/34.
Texto completo da fonteKunawicz, Nadya. "Any old iron? : astrochemical modelling of star-forming regions at low metallicity". Thesis, University of Manchester, 2010. https://www.research.manchester.ac.uk/portal/en/theses/any-old-iron--astrochemical-modelling-of-starforming-regions-at-low-metallicity(2a356b1a-429c-40b5-b9c0-2b4cdab12ea8).html.
Texto completo da fonteLombardo, Linda. "Explorer l'histoire de la Galaxie grâce à la spectroscopie stellaire". Electronic Thesis or Diss., Université Paris sciences et lettres, 2022. http://www.theses.fr/2022UPSLO011.
Texto completo da fonteThis thesis project presents several studies that are focused on the investigation of the chemical properties of different stellar populations in the Milky Way by means of high-resolution spectroscopy.The thesis is structured as follows:The first chapter is an introduction to the thesis project, and is divided into three sections. The first section describes the structure and formation scenarios of the Milky Way, in particular by referring to the most recent discoveries. The second section introduces the basic concepts and objectives of the studies presented in this thesis work. The third section describes the methods used to analyse the spectroscopic data.The second chapter presents the studies carried out in the context of the MINCE project. The first study is devoted to the chemical analysis of a sample of young giant stars that was serendipitously discovered during the first MINCE observations. My contribution in this work was to derive the stellar parameters, analyse the spectroscopic data, measure the rotational velocities, compare the results with theoretical models and write the paper. The second study presents the results obtained from the analysis of the first sample of MINCE stars. In this work, I contributed to the analysis of some of the stars in the sample.The third chapter presents the results obtained in the context of the CERES project. The first study presents a detailed chemical analysis of the star RAVE J110842.1-715300, with the aim of understanding whether or not it originated in the Omega Centauri globular cluster. My contribution in this study was to derive the stellar parameters of the star. The second study presents the results obtained for the CERES star sample. My contribution was to derive the parameters, compute model atmospheres, measure the chemical abundances, and write the paper.The fourth chapter presents the results obtained in the context of the High-speed stars project. The first study reports the results obtained from the high-resolution follow-up of two young and metal-poor stars in the sample of Caffau et al. (2020), to check whether they are blue stragglers or not. My contribution in this study was to obtain the high-resolution observations with UVES and to analyse the data. These results have not been published yet. The second study presents a detailed analysis of two high-speed stars observed with Subaru. In this study I was involved in the C abundance determination.The fifth chapter presents the results obtained from the chemical analysis of samples of stars selected using the Pristine photometry. The first study presents the chemical analysis of a sample of metal-poor stars that may have been enriched by the explosion of pair instability supernovae. My contribution was to select promising candidates and observe them with the SOPHIE spectrographat Observatoire de le Haute Provence (OHP)in visitor mode. The second study presents the preliminary results obtained from the chemical analysis of a sample of Pristine extremely metal-poor candidates. My contribution in this study was to derive the stellar parameters and the chemical abundances. The paper is in preparation.The sixth chapter concludes the thesis and gathers final reflections and future projects
Livros sobre o assunto "Stars of low metallicity"
United States. National Aeronautics and Space Administration., ed. Chromospherically active stars. Washington, DC: National Aeronautics and Space Administration, 1993.
Encontre o texto completo da fonteUnited States. National Aeronautics and Space Administration., ed. Chromospherically active stars. Washington, DC: National Aeronautics and Space Administration, 1993.
Encontre o texto completo da fonteNATO Advanced Study Institute on Formation and Evolution of Low Mass Stars (1987 Viana do Castelo, Portugal). Formation and evolution of low mass stars. Dordrecht: Kluwer Academic Publishers, 1988.
Encontre o texto completo da fonteR, Rebolo, Zapatero Osorio Maria Rosa e "Three-Islands" Euroconference on "Stellar Clusters and Associations" (1st : 1998 : Palma, Canary Islands), eds. Very low-mass stars and brown dwarfs. Cambridge: Cambridge University Press, 2000.
Encontre o texto completo da fonteDupree, A. K., e M. T. V. T. Lago, eds. Formation and Evolution of Low Mass Stars. Dordrecht: Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-009-3037-7.
Texto completo da fonteReid, I. Neill. New light on dark stars: Red dwarfs, low-mass stars, brown dwarfs. New York: Springer, 2000.
Encontre o texto completo da fonteHill, Randal C. Spotlight on sports stars. [Austin, Tex.]: Steck-Vaughn Co., 1989.
Encontre o texto completo da fontePrusti, Timo Juhani. Infrared studies of low mass formation. [Groningen, Netherlands]: Rijksuniversiteit Groningen, 1992.
Encontre o texto completo da fonteReipurth, Bo, e Claude Bertout, eds. Herbig-Haro Flows and the Birth of Low Mass Stars. Dordrecht: Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-011-5608-0.
Texto completo da fonteW, Romani Roger, e United States. National Aeronautics and Space Administration., eds. EUV/soft x-ray spectra for low B neutron stars. [Washington, DC: National Aeronautics and Space Administration, 1995.
Encontre o texto completo da fonteCapítulos de livros sobre o assunto "Stars of low metallicity"
Beers, T. C. "The Metallicity Distribution Function of Extremely Low-Metallicity Stars". In Galaxy Evolution: Connecting the Distant Universe with the Local Fossil Record, 105–13. Dordrecht: Springer Netherlands, 1999. http://dx.doi.org/10.1007/978-94-011-4213-7_18.
Texto completo da fonteDuncan, D. "Key Questions for Low Metallicity Stars". In Space Sciences Series of ISSI, 167–74. Dordrecht: Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-011-5116-0_17.
Texto completo da fonteAnn, Hong Bae, e Yong Hee Kang. "Age-Metallicity Relation for F-Stars". In Third Asian-Pacific Regional Meeting of the International Astronomical Union, 325–27. Dordrecht: Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4496-1_50.
Texto completo da fonteBeers, T. C., S. Rossi, J. E. Norris, S. G. Ryan, P. Molaro e R. Rebolo. "The Low Metallicity Tail of the Halo Metallicity Distribution Function". In Space Sciences Series of ISSI, 139–44. Dordrecht: Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-011-5116-0_13.
Texto completo da fonteCastro, S., B. Barbuy e T. Richtler. "Metallicity of Two Stars in Baade’s Window". In Galactic Bulges, 295–96. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-0922-2_25.
Texto completo da fontePeterson, R. C. "Disentangling Metallicity and Age for Turnoff Stars". In Galaxy Evolution: Connecting the Distant Universe with the Local Fossil Record, 427–30. Dordrecht: Springer Netherlands, 1999. http://dx.doi.org/10.1007/978-94-011-4213-7_89.
Texto completo da fontePrantzos, Nikos. "Stars (Low Mass)". In Encyclopedia of Astrobiology, 1575. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-11274-4_1505.
Texto completo da fonteJahreiss, Hartmut. "Low Mass Stars". In Science with Astronomical Near-Infrared Sky Surveys, 63–68. Dordrecht: Springer Netherlands, 1994. http://dx.doi.org/10.1007/978-94-011-0946-8_14.
Texto completo da fonteNissen, P. E. "Age and Metallicity Distributions Among Galactic Disk Stars". In Stellar Populations, 109–17. Dordrecht: Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-011-0125-7_10.
Texto completo da fonteHernández, X., e A. Ferrara. "Cosmological Origin of the Lowest Metallicity Halo Stars". In New Quests in Stellar Astrophysics: The Link Between Stars and Cosmology, 69–72. Dordrecht: Springer Netherlands, 2002. http://dx.doi.org/10.1007/978-94-010-0393-3_13.
Texto completo da fonteTrabalhos de conferências sobre o assunto "Stars of low metallicity"
de Mink, S. E., M. Cottaar e O. R. Pols. "Can Low—Metallicity Binaries Avoid Merging?" In FIRST STARS III: First Stars II Conference. American Institute of Physics, 2008. http://dx.doi.org/10.1063/1.2905545.
Texto completo da fontePignatari, M., e R. Gallino. "The Weak s‐Process at Low Metallicity". In FIRST STARS III: First Stars II Conference. American Institute of Physics, 2008. http://dx.doi.org/10.1063/1.2905575.
Texto completo da fonteLai, David K., Sara Lucatello, Michael Bolte, Debra A. Fischer e Jennifer A. Johnson. "A Search for Binary Stars at Low Metallicity". In FIRST STARS III: First Stars II Conference. American Institute of Physics, 2008. http://dx.doi.org/10.1063/1.2905523.
Texto completo da fonteOmukai, Kazu, Naoki Yoshida, Daniel J. Whalen, Volker Bromm e Naoki Yoshida. "Low-Metallicity Star Formation". In THE FIRST STARS AND GALAXIES: CHALLENGES FOR THE NEXT DECADE. AIP, 2010. http://dx.doi.org/10.1063/1.3518838.
Texto completo da fonteStancliffe, Richard J., Maria A. Lugaro, Amanda I. Karakas e Carlos Rijs. "The s-process at low metallicity". In FIRST STARS IV – FROM HAYASHI TO THE FUTURE –. AIP, 2012. http://dx.doi.org/10.1063/1.4754347.
Texto completo da fonteIwamoto, Nobuyuki, Takuma Suda, Takaya Nozawa, Akira Ohnishi, Kiyoshi Kato, Masayuki Y. Fujimoto, Toshitaka Kajino e Shigeru Kubono. "Lithium synthesis in low metallicity AGB stars". In ORIGIN OF MATTER AND EVOLUTION OF GALAXIES: The 10th International Symposium on Origin of Matter and Evolution of Galaxies: From the Dawn of Universe to the Formation of Solar System. AIP, 2008. http://dx.doi.org/10.1063/1.2943562.
Texto completo da fonteHirschi, Raphael, Cristina Chiappini, Georges Meynet, Sylvia Ekström, André Maeder, Richard J. Stancliffe, Guenter Houdek, Rebecca G. Martin e Christopher A. Tout. "Mass Loss and Very Low-metallicity Stars". In UNSOLVED PROBLEMS IN STELLAR PHYSICS: A Conference in Honor of Douglas Gough. AIP, 2007. http://dx.doi.org/10.1063/1.2818999.
Texto completo da fonteYoon, S. ‐C, M. Cantiello e N. Langer. "Evolution of Massive Stars at Very Low Metallicity, Including Rotation and Binary Interactions". In FIRST STARS III: First Stars II Conference. American Institute of Physics, 2008. http://dx.doi.org/10.1063/1.2905548.
Texto completo da fontede Mink, S. E., O. R. Pols e S. ‐C Yoon. "Binaries at Low Metallicity: Ranges For Case A, B and C Mass Transfer". In FIRST STARS III: First Stars II Conference. American Institute of Physics, 2008. http://dx.doi.org/10.1063/1.2905549.
Texto completo da fonteDoi, Kentaro, Hajime Susa e Kazuyuki Omukai. "Dissipation of magnetic fields in low-metallicity clouds". In FIRST STARS IV – FROM HAYASHI TO THE FUTURE –. AIP, 2012. http://dx.doi.org/10.1063/1.4754383.
Texto completo da fonteRelatórios de organizações sobre o assunto "Stars of low metallicity"
Whitaker, Stephen. Rocky intertidal community monitoring at Channel Islands National Park: 2018–19 annual report. National Park Service, agosto de 2023. http://dx.doi.org/10.36967/2299674.
Texto completo da fonte