Binary Stars Selected Topics On Observations And Physical Processes

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Binary Stars Selected Topics On Observations And Physical Processes

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Author : F. C. Lazaro
language : en
Publisher: Springer
Release Date : 2008-01-11

Binary Stars Selected Topics On Observations And Physical Processes written by F. C. Lazaro and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-01-11 with Science categories.

More than half of all stars in the universe formed and evolved as binary systems and their study is essential for understanding stellar and galactic evolution. The six lectures in this book give both a readable introduction and an up-to-date review of nearly all aspects of research into binary stars, including the range from common binaries to more exotic systems composed of white dwarfs, neutron stars and black holes.

Astrophysics Of Variable Stars

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Author : Christiaan Sterken
language : en
Publisher:
Release Date : 2006

Astrophysics Of Variable Stars written by Christiaan Sterken and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Science categories.

Frontiers Of Space And Ground Based Astronomy

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Author : Willem Wamsteker
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06

Frontiers Of Space And Ground Based Astronomy written by Willem Wamsteker and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.

ROSAT Observations G. HASINGER Max-Planck-Institut flir extraterrestrische Physik, D-85740 Garching, Germany Abstract. This review describes the most recent advances in the study of the extragalactic soft X-ray background and what we can learn about its constituents. The deepest pointed observations with the ROSAT PSPC are discussed. The logN-logS relation is presented, which reaches to the faintest X-ray fluxes and to the highest AGN surface densities ever achieved. The N(>S) relation shows a 2 density in excess of 400 deg- at the faintest fluxes and a flattening below the Einstein Deep Survey limit. About 60% of the extragalactic background has been resolved in the deepest field. Detailed source spectra and first optical and radio identifications will be discussed. The results are put into perspective of the higher energy X -ray background. Key words: X-rays, background radiations, active galactic nuclei. 1. Introduction The extragalactic X-ray background (XRB), discovered about 30 years ago, has been studied extensively with many X-ray experiments, in particular with the satel lites HEAO I and II (see ego Boldt 1987) and with ROSAT (e. g. Hasinger et aI. , 1993). Figure 1 shows a compilation of some of the most recent spectral measure ments for the X-ray background. Over the energy range from 3 to about 100 keY its spectrum can be well approximated by an optically thin thermal bremsstrahlung model with kT ~ 40 keY, while at lower X-ray energies a steepening into a new component has been observed observed (e. g.

Scientific And Technical Aerospace Reports

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Author :
language : en
Publisher:
Release Date : 1991-05

Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991-05 with Aeronautics categories.

The British National Bibliography

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Author : Arthur James Wells
language : en
Publisher:
Release Date : 2002

The British National Bibliography written by Arthur James Wells and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Bibliography, National categories.

The Impact Of Space Experiments On Our Knowledge Of The Physics Of The Universe

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Author : Franco Giovannelli
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-03-09

The Impact Of Space Experiments On Our Knowledge Of The Physics Of The Universe written by Franco Giovannelli and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-09 with Science categories.

Space experiments have opened practically all electromagnetic windows on the Universe. A discussion of the most important results obtained with multi-frequency photonic astrophysics experiments will provide new input to advance our knowledge of physics, very often in its more extreme conditions. A multitude of high quality data across the whole electromagnetic spectrum came at the scientific community's disposal a few years after the beginning of the Space Era. With these data we are attempting to explain the physics governing the Universe and its origin, which continues to be a matter of the greatest curiosity for humanity. In this book we describe the latest steps of the investigations born with the advent of space experiments. We highlight the most important results, identify unsolved problems, and comment on perspectives we can reasonably expect. This book aims to provide a useful tool for the reader who is not specialized in space astrophysics and for students. Therefore, the book is written in the form of a review with a still reasonable length, taking into account the complexity of the arguments discussed. We do not claim to present a complete picture of the physics governing the Universe, but have rather selected particular topics for a more thorough discussion. A cross section of essays on historical, modern, and philosophical topics is offered and combined with personal views into tricks of the space astrophysics trade.

The Cambridge Double Star Atlas

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Author : Bruce MacEvoy
language : en
Publisher: Cambridge University Press
Release Date : 2015-12-10

The Cambridge Double Star Atlas written by Bruce MacEvoy and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-12-10 with Nature categories.

The first and only atlas of physical double stars, with charts by celestial cartographer Wil Tirion.

Advanced Stellar Astrophysics

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Author : William Kenneth Rose
language : en
Publisher: Cambridge University Press
Release Date : 1998-04-16

Advanced Stellar Astrophysics written by William Kenneth Rose and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998-04-16 with Science categories.

This advanced 1998 textbook on stellar astrophysics provides a comprehensive and self-contained introduction for graduate students.

The Many Scales In The Universe

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Author : J.C. Toro Iniesta
language : en
Publisher: Springer Science & Business Media
Release Date : 2006-02-23

The Many Scales In The Universe written by J.C. Toro Iniesta and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-02-23 with Science categories.

This book gathers the invited conferences presented at the Thirteenth Joint European and National Astronomical Meeting (JENAM) organized by the - ropean Astronomical Society (EAS) and the Spanish Astronomical Society (Sociedad Española de Astronomía, SEA) and hosted by the Instituto de - trofísica de Andalucía (IAA - CSIC). The event, held from September 13 to 17, 2004 in Granada, was at the same time the Sixth Scienti c Meeting of the SEA. The proceedings of such national meetings are traditionally collected in a series of books generically entitled Highlights of Spanish Astrophysics, which will be momentarily interrupted in this occasion as the contributions of the Spanish astronomers to the meeting share the present publication with those of their colleagues from other European countries or, to be more exact, from countries all over the world. The meeting brought together, indeed, more than 450 participants from 30 different countries, making it one of the most successful JENAMs ever celebrated. This success was undoubtedly due to the fact that, as readily seen from the titles of the parallel sessions, the scienti c scope of this JENAM reached, for the st time, all elds of astronomy and astrophysics. In fact, there was still another parallel session opened to tea- ers and professionals of popularisation in astronomy whose proceedings are published elsewhere.

High Energy Astrophysics Volume 2 Stars The Galaxy And The Interstellar Medium

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Author : M. S. Longair
language : en
Publisher: Cambridge University Press
Release Date : 1992

High Energy Astrophysics Volume 2 Stars The Galaxy And The Interstellar Medium written by M. S. Longair and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Science categories.

What role does viscosity play in accretion discs? How do you calculate the 'glitch function' of a pulsar? And can strong shocks account for the energy spectrum of electrons in our Galaxy? These are just some of the exciting questions that Professor Longair uses to develop the physics needed by the astronomer and high energy astrophysicist. The highly acclaimed first edition of High Energy Astrophysics instantly established itself as a classic in the teaching of contemporary astronomy. Reflecting the immense interest and developments in the subject, Professor Longair has developed the second edition into three texts; in this second volume he provides a comprehensive discussion of the high energy astrophysics of stars, the Galaxy and the interstellar medium. He develops an understanding for the essential physics with an elegance and infectious enthusiasm for which his teaching is internationally renowned, illustrating the issues throughout with results from forefront research. This book takes the student with a knowledge of physics and mathematics at the undergraduate level - but not necessarily with training in astronomy - to the point where current astronomical research can be understood.