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This book introduces the theory of stellar atmospheres. Almost everything we know about stars is by analysis of the radiation coming from their atmospheres. Several aspects of astrophysics require accurate atmospheric parameters and abundances. Spectroscopy is one of the most powerful tools at an astronomer’s disposal, allowing the determination of the fundamental parameters of stars: surface temperature, gravity, chemical composition, magnetic field, rotation and turbulence. These can be supplemented by distance measurements or pulsation parameters providing information about stellar interior and stellar evolution, otherwise unavailable. The volume is based on lectures presented at the Wrocław's Spectroscopic School aimed at training young researchers in performing quantitative spectral analysis of low-, mid-, and high-resolution spectra of B, A, and F-type stars.
This book is the proceedings of an international conference entitled "Close Binaries in the 21st Century: New Opportunities and Challenges", held in Syros island, Greece, June 27-30, 2005. The papers collected in this volume detail the latest achievements in the field and reflect the state of the art of the dynamically evolving area of binary star research.
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In 2018 solar physics and neutrino research celebrated various historical highlight events. Among them were 80 years of the paper by Hans Bethe discussing solar fusion cycles as energy source of stars, the first results from the Homestake chlorine experiment celebrating 50 years as well as the discovery of neutrino oscillations 20 years ago by Super-Kamiokande. Since the last International Solar Neutrino Conference in 1997, solar neutrino detection was recognized by two Nobel Prizes, given to Raymond Davis Jr. (2002) and Arthur McDonald (2015).The present proceedings volume is based on the given talks and provides a comprehensive and detailed overview of recent developments and discoveries in the field of solar neutrino physics. Articles were written by renowned experts of their field and cover a wide range in experiments and theory from current and future solar neutrino measurements, elemental abundances, nuclear astrophysics, helioseismology, impact on general neutrino physics and more. Further contributions focus on experiments like Homestake, SAGE and GALLEX which are widely known as historic milestones in the field of solar neutrino physics.
To help researchers from different areas of science understand and unlock the potential of the Polish Grid Infrastructure and to define their requirements and expectations, the following 13 pilot communities have been organized and involved in the PLGrid Plus project: Acoustics, AstroGrid-PL, Bioinformatics, Ecology, Energy Sector, Health Sciences, HEPGrid, Life Science, Materials, Metallurgy, Nanotechnologies, Quantum Chemistry and Molecular Physics, and SynchroGrid. The book describes the experience and scientific results achieved by the project partners. Chapters 1 to 8 provide a general overview of research and development activities in the framework of the project with emphasis on servi...
An accessible introduction to globular clusters for graduate students, and a comprehensive and up-to-date reference for researchers.
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Jeden z archiwalnych numerów "Uranii". "Urania" jest czasopismem popularnonaukowym o astronomii i badaniach kosmosu, jednym z najstarszych na świecie. Współcześnie jest to elegancki i nowoczesny magazyn dla każdego, kogo interesują tajemnice Wszechświata. Wydawcami są obecnie Polskie Towarzystwo Astronomiczne (PTA) - organizacja skupiająca zawodowych astronomów oraz Polskie Towarzystwo Miłośników Astronomii (PTMA), którego członkami są pasjonaci kosmosu. Redakcja "Uranii" prowadzi też aktywnie obszerny portal internetowy: www.urania.edu.pl "Urania" na Facebooku: www.facebook.com/UraniaPA Pełne cyfrowe archiwum Uranii w formatach PDF i DjVu: www.urania.edu.pl/archiwum * * * * * * * * * * * * * * * * * * * This is an archive issue of the "Urania" magazine - Polish popular science magazine about astronomy and space, one of the oldest in the world. Nowadays it is modern magazine for everyone who is interested in astronomy and the secrets of the Universe. You may also visit internet portal of Urania: www.urania.edu.pl "Urania" on Facebook: www.facebook.com/UraniaPA Full digital archive of "Urania" in PDF and DjVu: www.urania.edu.pl/archiwum
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