50 Years of Brown Dwarfs

50 Years of Brown Dwarfs PDF Author: Viki Joergens
Publisher: Springer Science & Business Media
ISBN: 3319011626
Category : Science
Languages : en
Pages : 174

Get Book Here

Book Description
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.

50 Years of Brown Dwarfs

50 Years of Brown Dwarfs PDF Author: Viki Joergens
Publisher: Springer Science & Business Media
ISBN: 3319011626
Category : Science
Languages : en
Pages : 174

Get Book Here

Book Description
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.

Very Low-Mass Stars and Brown Dwarfs

Very Low-Mass Stars and Brown Dwarfs PDF Author: Rafael Rebolo
Publisher: Cambridge University Press
ISBN: 9780521663359
Category : Science
Languages : en
Pages : 284

Get Book Here

Book Description
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.

The Initial Mass Function 50 Years Later

The Initial Mass Function 50 Years Later PDF Author: Edvige Corbelli
Publisher: Springer Science & Business Media
ISBN: 1402034075
Category : Science
Languages : en
Pages : 551

Get Book Here

Book Description
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.

Through the Eyes of Hubble

Through the Eyes of Hubble PDF Author: R Naeye
Publisher: CRC Press
ISBN: 9780750304849
Category : Science
Languages : en
Pages : 142

Get Book Here

Book Description
Robert Naeye is renowned for his lucid contributions to Astronomy, the world's biggest selling astronomy magazine. In Through the Eyes of Hubble: The Birth, Life and Violent Death of Stars, he uses 100 striking color images from the Hubble Space Telescope to illuminate the mind-stretching story of how stars are born, live, and die. Although focusing on astrophysics, the account is compelling, equation free, and accessible to everyone. In addition, there are eight beautiful paintings to appreciate, including works by the most famous living space artist, Michael Carroll.

The Five Ages of the Universe

The Five Ages of the Universe PDF Author: Fred C. Adams
Publisher: Simon and Schuster
ISBN: 0684865769
Category : Science
Languages : en
Pages : 292

Get Book Here

Book Description
This book takes readers on a fantastic voyage to the physics of eternity, with a long-term projection of the evolution of the universe.

A Story of More Than 5000 Worlds

A Story of More Than 5000 Worlds PDF Author: Dr. Alejandro Ruiz Rivera
Publisher: Alejandro Ruiz Rivera
ISBN: 1763565408
Category : Science
Languages : en
Pages : 456

Get Book Here

Book Description
Immerse yourself on an interstellar journey through "A Story of More than 5000 Worlds'' as it explores the fascinating story of celestial discovery and the enduring quest of researchers and scientists to find life beyond Earth. This comprehensive book navigates the intricacies of star and planet formation, shedding light on the enigmatic life cycle of stars like our Sun to pulsars and black holes and the dynamic processes that define the fate of planets. Marvel at the ingenuity of exoplanet detection methods, from the accurate detection of stellar wobbles to the precise monitoring of starlight dimming during transits, and peer into the future with innovative techniques that take advantage of the deformation or curvature of the space-time caused by massive objects. The classification of these distant worlds from rocky planets to gas giants lays the groundwork for the book's climax: the search for life. Exploring biosignatures and technosignatures, from the organic and chemical traces of potential life, to the echoes of advanced technological civilizations, this book expands our understanding of the dynamicity of the universe and our place within it. It's an invitation to ponder humanity's greatest question – are we alone? – while navigating through the Drake Equation and other Search for Extraterrestrial Intelligence (SETI) concepts, and the silence that has prompted ideas like the Fermi Paradox, and the Great Filter. The book, in addition to acting as an engaging read for anyone interested in these subjects and given the number of topics included and the breadth of the discussions, could also be used as a complementary textbook for students at both high school and non-science bachelor levels, in introductory or fundamental astronomy courses.

New Worlds in the Cosmos

New Worlds in the Cosmos PDF Author: Michel Mayor
Publisher: Cambridge University Press
ISBN: 0521812070
Category : Science
Languages : en
Pages : 273

Get Book Here

Book Description
Table of contents

The Exoplanet Handbook

The Exoplanet Handbook PDF Author: Michael Perryman
Publisher: Cambridge University Press
ISBN: 1108419771
Category : Science
Languages : en
Pages : 973

Get Book Here

Book Description
A complete and in-depth review of exoplanet research, covering the discovery methods, physics and theoretical background.

Ultracool Dwarfs

Ultracool Dwarfs PDF Author: Hugh R.A. Jones
Publisher: Springer Science & Business Media
ISBN: 3642566723
Category : Science
Languages : en
Pages : 199

Get Book Here

Book Description
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.

The Labyrinth of Star Formation

The Labyrinth of Star Formation PDF Author: Dimitris Stamatellos
Publisher: Springer Science & Business Media
ISBN: 3319030418
Category : Science
Languages : en
Pages : 490

Get Book Here

Book Description
This volume contains the proceedings from the conference "The Labyrinth of Star Formation" that was held in Crete, Greece, in June 2012, to honour the contributions to the study of star formation made by Professor Anthony Whitworth of Cardiff University. The book covers many aspects of theoretical and observational star formation: low-mass star formation; young circumstellar discs; computational methods; triggered star formation; the stellar initial mass function; high-mass star formation and stellar clusters. Each section starts with a review paper, followed by papers discussing recent theoretical and observational work. This volume summarises our current understanding of star formation and is useful for both graduate students and researchers alike.