Ultracool Dwarfs

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Ultracool Dwarfs

Author : Hugh R.A. Jones
Publisher : Springer Science & Business Media
ISBN 13 : 3642566723
Total Pages : 197 pages
Book Rating : 4.6/5 (425 download)

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Book Synopsis Ultracool Dwarfs by : Hugh R.A. Jones

Download or read book Ultracool Dwarfs written by Hugh R.A. Jones and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 197 pages. Available in PDF, EPUB and Kindle. Book excerpt: Once you have looked at the night sky on a moonless night it is not hard to realise why so much of our science and religion has its roots in the stars. Yet it took until 1850 to realise that fainter stars were not necessarily further away, nor the brighter ones closer. In fact within the magnitude range observable to the naked eye it is probable that the brighter star is in fact further away. Even today the measurement of stellar distances is relatively difficult and is gener ally only done using dedicated telescopes. In the early years of the 20th century Hertzsprung and Russell developed a powerful classification diagram which al lows stars to be distinguished using a plot of their colour versus magnitude. The construction of this diagram involved the use of spectroscopy which has become the cornerstone of modern astronomy. As telescopes become more powerful, de tectors more sensitive and more physics is added to astrophysics, astronomical spectroscopy becomes a more powerful tool. The concern of this book is the spectral classification of stars. With a single spectrum of a star it is possible to uniquely classify an object and find its place on the Hertzsprung-Russell diagram. This spectrum is thus equivalent to having the colour and the magnitude of the object which can in turn be related to mass and other quantities.

Multiple Stars across the H-R Diagram

Author : Swetlana Hubrig
Publisher : Springer Science & Business Media
ISBN 13 : 3540747451
Total Pages : 305 pages
Book Rating : 4.5/5 (47 download)

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Book Synopsis Multiple Stars across the H-R Diagram by : Swetlana Hubrig

Download or read book Multiple Stars across the H-R Diagram written by Swetlana Hubrig and published by Springer Science & Business Media. This book was released on 2007-10-13 with total page 305 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume presents results from the ESO workshop Multiple Stars across the H-R Diagram, held in Garching in July 2005. It covers observations of multiple stars from ground and space, dynamical and stellar evolution in multiple systems, formation and early evolution of multiple stars, and special components of multiple stars. The book reviews the current state of observational and theoretical knowledge and discusses future studies for further progress in the field.

50 Years of Brown Dwarfs

Author : Viki Joergens
Publisher : Springer Science & Business Media
ISBN 13 : 3319011626
Total Pages : 168 pages
Book Rating : 4.3/5 (19 download)

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Book Synopsis 50 Years of Brown Dwarfs by : Viki Joergens

Download or read book 50 Years of Brown Dwarfs written by Viki Joergens and published by Springer Science & Business Media. This book was released on 2013-11-27 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt: The years 2012/2013 mark the 50th anniversary of the theoretical prediction that Brown Dwarfs, i.e. degenerate objects which are just not massive enough to sustain stable hydrogen fusion, exist. Some 20 years after their discovery, how Brown Dwarfs form is still one of the main open questions in the theory of star formation. In this volume, the pioneers of Brown Dwarf research review the history of the theoretical prediction and the subsequent discovery of Brown Dwarfs. After an introduction, written by Viki Joergens, reviewing Shiv Kumar's theoretical prediction of the existence of brown dwarfs, Takenori Nakano reviews his and Hayashi's calculation of the Hydrogen Burning Minimum Mass. Both predictions happened in the early 1960s. Jill Tarter then writes on the introduction of the term 'Brown Dwarf', before Ben Oppenheimer, Rafael Rebolo and Gibor Basri describe their first discovery of Brown Dwarfs in the 1990s. Lastly, Michael Cushing and Isabelle Baraffe describe the development of the field to the current state of the art. While the book is mainly aimed at the Brown Dwarf research community, the description of the pioneering period in a scientific field will attract general readers interested in astronomy as well.

New Light on Dark Stars

Author : Neil Reid
Publisher : Springer Science & Business Media
ISBN 13 : 3540276106
Total Pages : 590 pages
Book Rating : 4.5/5 (42 download)

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Book Synopsis New Light on Dark Stars by : Neil Reid

Download or read book New Light on Dark Stars written by Neil Reid and published by Springer Science & Business Media. This book was released on 2006-09-01 with total page 590 pages. Available in PDF, EPUB and Kindle. Book excerpt: There has been very considerable progress in research into low-mass stars, brown dwarfs and extrasolar planets during the past few years, particularly since the fist edtion of this book was published in 2000. In this new edtion the authors present a comprehensive review of both the astrophysical nature of individual red dwarf and brown dwarf stars and their collective statistical properties as an important Galactic stellar population. Chapters dealing with the observational properies of low-mass dwarfs, the stellar mass function and extrasolar planets have been completely revised. Other chapters have been significantly revised and updated as appropriate, including important new material on observational techniques, stellar acivity, the Galactic halo and field star surveys. The authors detail the many discoveries of new brown dwarfs and extrasolar planets made since publication of the first edition of the book and provide a state-of-the-art review of our current knowledge of very low-mass stars, brown dwarfs and extrasolar planets, including both the latest observational results and theoretical work.

The Universe in X-Rays

Author : Joachim E. Trümper
Publisher : Springer Science & Business Media
ISBN 13 : 3540344128
Total Pages : 496 pages
Book Rating : 4.5/5 (43 download)

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Book Synopsis The Universe in X-Rays by : Joachim E. Trümper

Download or read book The Universe in X-Rays written by Joachim E. Trümper and published by Springer Science & Business Media. This book was released on 2008-02-05 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt: With contributions from leading scientists in the field, and edited by two of the most prominent astronomers of our time, this is a totally authoritative volume on X-ray astronomy that will be essential reading for everyone interested – from students to astrophysicists and physicists. All the aspects of this exciting area of study are covered, from astronomical instrumentation to extragalactic X-ray astronomy.

Astrophysics in the Next Decade

Author : Harley A. Thronson
Publisher : Springer Science & Business Media
ISBN 13 : 1402094574
Total Pages : 523 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Astrophysics in the Next Decade by : Harley A. Thronson

Download or read book Astrophysics in the Next Decade written by Harley A. Thronson and published by Springer Science & Business Media. This book was released on 2009-02-03 with total page 523 pages. Available in PDF, EPUB and Kindle. Book excerpt: NASA’s James Webb Space Telescope (JWST), planned for operation in about five years, will have the capability to investigate – and answer – some of the most challenging questions in astronomy. Although motivated and designed to study the very early Universe, the performance of the observatory’s instruments over a very wide wavelength range will allow the world’s scientific community unequaled ability to study cosmic phenomena as diverse as small bodies in the Solar System and the formation of galaxies. As part of preparation to use JWST, a conference was held in Tucson, Arizona in 2007 that brought together astronomers from around the world to discuss the mission, other major facilities that will operate in the coming decade, and major scientific goals for them. This book is a compilation of those presentations by some of the leading researchers from all branches of astronomy. This book also includes a “pre-history” of JWST, describing the lengthy process and some of the key individuals that initiated early work on the concepts that would evolve to become the premier space observatory of the next decade.

The Sun, Solar Analogs and the Climate

Author : Joanna Dorothy Haigh
Publisher : Springer Science & Business Media
ISBN 13 : 354027510X
Total Pages : 436 pages
Book Rating : 4.5/5 (42 download)

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Book Synopsis The Sun, Solar Analogs and the Climate by : Joanna Dorothy Haigh

Download or read book The Sun, Solar Analogs and the Climate written by Joanna Dorothy Haigh and published by Springer Science & Business Media. This book was released on 2006-03-30 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 34th Saas-Fee advanced course of the Swiss Society of Astronomy and Astrophysics (SSAA) took place from March 15 to 20, 2004, in Davos, on the subject of The Sun, Solar Analogs and the Climate. PresentlytheSwissmountainresortofDavosisprobablymostwellknown for hosting an event on globalization. However, it is because Davos also happens to be the seat of the Physikalisch-Meteorologisches Observatorium Davos and World Radiation Center, that this course on a “global” subject was hosted here. Exceptionally, the topic of this course was not purely astrophysical, but themembersoftheSSAAdecidedtosupportitallthesameduetothetimely topic of global warming and its possible link to solar variations. In these times of concern about global warming, it is important to und- stand solar variability and its interaction with the atmosphere. Only in this way can we distinguish between the solar and anthropogenic contributions to the rising temperatures. Therefore, this course addressed the observed va- ability of the Sun and the present understanding of the variability’s origin and its impact on the Earth’s climate. Comparing the solar variability with that of solar analog stars leads to a better understanding of the solar activity cycle and magnetic activity in general, and helps us to estimate how large the solar variations could be on longer time scales. Inspiteofthefantasticweatherandsnowconditionswhichreignedduring this week, the participants assiduously took part in the lectures. This is proof ofthehighqualityofthelecturesthatthethreespeakers,JoannaHaigh,Mike Lockwood and David Soderblom, delivered. We deeply thank them for their contributions and e?orts and hope that the readers will enjoy the book as much as we enjoyed their lectures.

The Initial Mass Function 50 Years Later

Author : Edvige Corbelli
Publisher : Springer Science & Business Media
ISBN 13 : 1402034075
Total Pages : 551 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis The Initial Mass Function 50 Years Later by : Edvige Corbelli

Download or read book The Initial Mass Function 50 Years Later written by Edvige Corbelli and published by Springer Science & Business Media. This book was released on 2007-10-06 with total page 551 pages. Available in PDF, EPUB and Kindle. Book excerpt: Theideatocelebrate50yearsoftheSalpeterIMFoccurredduringtherecent IAU General Assembly in Sydney, Australia. Indeed, it was from Australia that in July 1954 Ed Salpeter submitted his famous paper "The Luminosity Function and Stellar Evolution" with the rst derivation of the empirical stellar IMF. This contribution was to become one of the most famous astrophysics papers of the last 50 years. Here, Ed Salpeter introduced the terms "original mass function" and "original luminosity function", and estimated the pro- bility for the creation of stars of given mass at a particular time, now known as the "Salpeter Initial Mass Function", or IMF. The paper was written at the Australian National University in Canberra on leave of absence from Cornell University (USA) and was published in 1955 as 7 page note in the Astroph- ical Journal Vol. 121, page 161. To celabrate the 50th anniversary of the IMF, along with Ed Salpeter’s 80th birthday, we have organized a special meeting that brought together scientists involved in the empirical determination of this fundamental quantity in a va- ety of astrophysical contexts and other scientists fascinated by the deep imp- cations of the IMF on star formation theories, on the physical conditions of the gas before and after star formation, and on galactic evolution and cosmology. The meeting took place in one of the most beautiful spots of the Tuscan countryside, far from the noise and haste of everyday life.

Transiting Planets (IAU S253)

Author : International Astronomical Union. Symposium
Publisher : Cambridge University Press
ISBN 13 : 9780521889841
Total Pages : 598 pages
Book Rating : 4.8/5 (898 download)

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Book Synopsis Transiting Planets (IAU S253) by : International Astronomical Union. Symposium

Download or read book Transiting Planets (IAU S253) written by International Astronomical Union. Symposium and published by Cambridge University Press. This book was released on 2009-04-16 with total page 598 pages. Available in PDF, EPUB and Kindle. Book excerpt: The discovery of planets around stars other than the Sun within the past 15 years has opened up one of the largest and most exciting new fields in modern astronomy. The transit method of detecting exoplanets has revealed more information about individual planets than any other method of detection. This volume, the proceedings of IAU Symposium 253, contains a description of the latest development in the field of transiting extrasolar planets. Topical reviews and short contributions from more than one hundred authors present the latest results in the field, from the photometric transit searches for transiting planets, through observational studies of these planets, to the consequences for theories of planet formation, evolution and planetary atmospheres. Presenting the latest research, it is an important resource for graduate students and researchers working in astronomy and planetary sciences.

The Exoplanet Handbook

Author : Michael Perryman
Publisher : Cambridge University Press
ISBN 13 : 1139498517
Total Pages : 423 pages
Book Rating : 4.1/5 (394 download)

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Book Synopsis The Exoplanet Handbook by : Michael Perryman

Download or read book The Exoplanet Handbook written by Michael Perryman and published by Cambridge University Press. This book was released on 2011-05-26 with total page 423 pages. Available in PDF, EPUB and Kindle. Book excerpt: Exoplanet research is one of the most explosive subjects in astronomy today. More than 500 exoplanets are now known, and groups world-wide are actively involved in a broad range of observational and theoretical efforts. This book ties together these many avenues of investigation - from the perspectives of observation, technology and theory - to give a comprehensive, up-to-date review of the entire field. All areas of exoplanet investigation are covered, making it a unique and valuable guide for researchers in astronomy and planetary science, including those new to the field. It treats the many different techniques now available for exoplanet detection and characterisation, the broad range of underlying physics, the overlap with related topics in solar system and Earth sciences, and the concepts underpinning future developments. It emphasises the interconnection between the various fields and provides extensive references to more in-depth treatments and reviews.

Issues in Astronomy and Astrophysics: 2012 Edition

Author :
Publisher : ScholarlyEditions
ISBN 13 : 1481645536
Total Pages : 734 pages
Book Rating : 4.4/5 (816 download)

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Book Synopsis Issues in Astronomy and Astrophysics: 2012 Edition by :

Download or read book Issues in Astronomy and Astrophysics: 2012 Edition written by and published by ScholarlyEditions. This book was released on 2013-01-10 with total page 734 pages. Available in PDF, EPUB and Kindle. Book excerpt: Issues in Astronomy and Astrophysics / 2012 Edition is a ScholarlyEditions™ eBook that delivers timely, authoritative, and comprehensive information about Planetary Science. The editors have built Issues in Astronomy and Astrophysics: 2012 Edition on the vast information databases of ScholarlyNews.™ You can expect the information about Planetary Science in this eBook to be deeper than what you can access anywhere else, as well as consistently reliable, authoritative, informed, and relevant. The content of Issues in Astronomy and Astrophysics: 2012 Edition has been produced by the world’s leading scientists, engineers, analysts, research institutions, and companies. All of the content is from peer-reviewed sources, and all of it is written, assembled, and edited by the editors at ScholarlyEditions™ and available exclusively from us. You now have a source you can cite with authority, confidence, and credibility. More information is available at http://www.ScholarlyEditions.com/.

Very Low-Mass Stars and Brown Dwarfs

Author : Rafael Rebolo
Publisher : Cambridge University Press
ISBN 13 : 9780521663359
Total Pages : 284 pages
Book Rating : 4.6/5 (633 download)

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Book Synopsis Very Low-Mass Stars and Brown Dwarfs by : Rafael Rebolo

Download or read book Very Low-Mass Stars and Brown Dwarfs written by Rafael Rebolo and published by Cambridge University Press. This book was released on 2000-11-27 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume provides a state-of-the-art review of our current knowledge of brown dwarfs and very low-mass stars. The hunt for and study of these elusive objects is currently one of the most dynamic areas of research in astronomy for two reasons. Brown dwarfs bridge the gap between stars and planets, and they may constitute an important part of the 'dark matter' of the Universe. This volume presents review articles from a team of international authorities who gathered at a conference in La Palma to assess the spectacular progress that has been made in this field in the last few years.

Author :
Publisher :
ISBN 13 :
Total Pages : 668 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Newsletter by :

Download or read book Newsletter written by and published by . This book was released on 1998 with total page 668 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Exoplanets

Author : John Mason
Publisher : Springer Science & Business Media
ISBN 13 : 3540740082
Total Pages : 328 pages
Book Rating : 4.5/5 (47 download)

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Book Synopsis Exoplanets by : John Mason

Download or read book Exoplanets written by John Mason and published by Springer Science & Business Media. This book was released on 2008-08-29 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the first collection of review articles in one volume covering the very latest developments in exoplanet research. This edited, multi-author volume will be an invaluable introduction and reference to all key aspects in the field this field. The reviews cover topics such as the properties of known exoplanets and searching for exoplanets in the stellar graveyard. The book provides an easily accessible point of reference in a fast moving and exciting field.

Radiative Transfer in Stellar and Planetary Atmospheres

Author : Lucio Crivellari
Publisher : Cambridge University Press
ISBN 13 : 1108603092
Total Pages : 251 pages
Book Rating : 4.1/5 (86 download)

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Book Synopsis Radiative Transfer in Stellar and Planetary Atmospheres by : Lucio Crivellari

Download or read book Radiative Transfer in Stellar and Planetary Atmospheres written by Lucio Crivellari and published by Cambridge University Press. This book was released on 2020-01-09 with total page 251 pages. Available in PDF, EPUB and Kindle. Book excerpt: Radiative transfer is essential for obtaining information from the spectra of astrophysical objects. This volume provides an overview of the physical and mathematical background of radiative transfer, and its applications to stellar and planetary atmospheres. It covers the phenomenology and physics of early-type and late-type stars, as well as ultra-cool dwarf stars and extrasolar planets. Importantly, it provides a bridge between classical radiative transfer and stellar atmosphere modelling and novel approaches, from both theoretical and computational standpoints. With new fields of application and a dramatic improvement in both observational and computational facilities, it also discusses the future outlook for the field. Chapters are written by eminent researchers from across the astronomical disciplines where radiative transfer is employed. Using the most recent observations, this is a go-to resource for graduate students and researchers in astrophysics.

14th Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun

Author : Gerard Van Belle
Publisher :
ISBN 13 :
Total Pages : 480 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis 14th Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun by : Gerard Van Belle

Download or read book 14th Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun written by Gerard Van Belle and published by . This book was released on 2008 with total page 480 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Cool Stars 14 (CS14) was held in Pasadena, 5-10 November 2006, and was jointly hosted by the Spitzer Science Center and the Michelson Science Center. CS14 also doubled as the 2006 Spitzer Science Center November Workshop. Topics that were central to the previous Cool Stars Meetings -- stellar activity indicators, the solar-stellar connection, PMS stars and stellar evolution, brown dwarfs, and helio-and asteroseismology -- continued to be high on the agenda for CS14. Enhanced emphasis was also placed on topics such as mid-IR observations (debris disk evolution; protostar formation) and high-angular resolution observations (PMS disk imaging, PMS binary orbits, future space astrometry missions). Main plenary session topics included Helioseismology and Abundances, Star Formation (Cores to Disks), Brown Dwarfs, Solar/Stellar Magnetic Fields, Testing Stellar Evolutionary Models, Extrasolar Planets, and Stellar Winds an Spins: From Birth Through the Main Sequence. Additionally, nine splinter sessions examined the following topics in detail: Spectral Diagnostics of Hot Plasma from Cool Stars, The Formation of Low-Mass Protostars and Proto-BDs, Mining the Next Generation of Surveys for Cool Star Science, Stellar Ages, Disks around Cool Stars and Bds, Cool Stars in Hot Places, Habitability and Life on Planets around Cool Stars, Sub-Stellar Twins: Binarity in Bds, and Coronal Structure of PMS Stars. The presentations of the seven main sessions are detailed with reviews in this volume, in addition to summaries of the nine splinter sessions. The book is suitable for researchers and graduate students interested in the astrophysics of cool stars and the sun, including abundances, magnetohydrodynamics, circumstellar disks, stellar rotation, pulsation and mass loss." -- publisher's website.

Extrasolar Planets

Author : Hans Deeg
Publisher : Cambridge University Press
ISBN 13 : 1139468049
Total Pages : 269 pages
Book Rating : 4.1/5 (394 download)

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Book Synopsis Extrasolar Planets by : Hans Deeg

Download or read book Extrasolar Planets written by Hans Deeg and published by Cambridge University Press. This book was released on 2007-10-18 with total page 269 pages. Available in PDF, EPUB and Kindle. Book excerpt: This 2007 volume presents the lectures from the sixteenth Winter School of the Instituto de Astrofísica de Canarias, which was dedicated to extrasolar planets. Research into extrasolar planets is one of the most exciting fields of astrophysics, and the past decade has seen a research leap from speculations on the existence of planets orbiting other stars to the discovery of around 200 planets to date. The book covers a wide range of issues, from the state-of-the-art observational techniques used to detect extrasolar planets, to the characterizations of these planets, and the techniques used in the remote detection of life. It also looks at the insights we can gain from our own Solar System, and how we can apply them. The contributors, all of high-standing in the field, provide a balanced and varied introduction to extrasolar planets for research astronomers and graduate students, bridging theoretical developments and observational advances.