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Stellar Magnetism: Second Edition

Leon Mestel

Published in print:
2012
Published Online:
May 2012
ISBN:
9780199641741
eISBN:
9780191738609
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199641741.001.0001
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

Ongoing studies in mathematical depth, and inferences from ‘helioseismological’ observations of the internal solar rotation have shown up the limitations in our knowledge of the solar interior and of ... More


Rotation

Gary A. Glatzmaier

in Introduction to Modeling Convection in Planets and Stars: Magnetic Field, Density Stratification, Rotation

Published in print:
2013
Published Online:
October 2017
ISBN:
9780691141725
eISBN:
9781400848904
Item type:
chapter
Publisher:
Princeton University Press
DOI:
10.23943/princeton/9780691141725.003.0013
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

This chapter examines the effects of rotation on convection and gravity waves. Flows in the atmospheres, oceans, and liquid cores of terrestrial planets are dominated by the Coriolis forces, as are ... More


Dynamo processes in stars

Leon Mestel

in Stellar Magnetism: Second Edition

Published in print:
2012
Published Online:
May 2012
ISBN:
9780199641741
eISBN:
9780191738609
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199641741.003.0006
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

The term ‘dynamo action’ appears in the literature describing two related but distinct processes. When the velocity v of a conducting fluid is driven by the non-magnetic forces in the direction ... More


Stellar Magnetism

Leon Mestel

Published in print:
2003
Published Online:
January 2010
ISBN:
9780198526728
eISBN:
9780191707049
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198526728.001.0001
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

Most stars appear to show some degree of magnetic activity. For example, the varying magnetic field of the Sun shows up in the familiar sun-spot cycle. Similar behaviour is observationally inferred ... More


Stellar Dynamos

Leon Mestel

in Stellar Magnetism

Published in print:
2003
Published Online:
January 2010
ISBN:
9780198526728
eISBN:
9780191707049
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198526728.003.0006
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

There now exists many illustrative models of laminar, kinematic dynamos that avoid Cowling's negative result. In Parker's kinematic model of a ‘self-exciting’, turbulent stellar dynamo, the toroidal ... More


Magnetic fields in stellar interiors

Leon Mestel

in Stellar Magnetism: Second Edition

Published in print:
2012
Published Online:
May 2012
ISBN:
9780199641741
eISBN:
9780191738609
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199641741.003.0005
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

This chapter focuses on stellar radiative zones. It covers magnetic fields and stellar rotation; stability; laminar meridian flow in radiative domains; the interaction between rotation, magnetism, ... More


Late-type stars

Leon Mestel

in Stellar Magnetism: Second Edition

Published in print:
2012
Published Online:
May 2012
ISBN:
9780199641741
eISBN:
9780191738609
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199641741.003.0008
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

This chapter discusses the following: the solar-stellar connection; the rotational history of late-type main-sequence stars; the Sun: new observational material; phenomenological studies of the solar ... More


We are where we are, but how did we get here?

Josef W. Konvitz

in Cities and Crisis

Published in print:
2016
Published Online:
May 2016
ISBN:
9781784992903
eISBN:
9781526103970
Item type:
chapter
Publisher:
Manchester University Press
DOI:
10.7228/manchester/9781784992903.003.0002
Subject:
Political Science, Political Economy

Cities are the engines of the economy, but the are running low on two key inputs, infrastructure investment and innovation. The image of the engine calls attention to flawed assumptions made about ... More


Pre-main-sequence stars

Leon Mestel

in Stellar Magnetism: Second Edition

Published in print:
2012
Published Online:
May 2012
ISBN:
9780199641741
eISBN:
9780191738609
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199641741.003.0010
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

This chapter discusses the following: the later stages of star formation; magnetic accretion discs; pre-main-sequence rotational evolution; x-ray observations; accretion disc theory; models with ... More


Eulogy to Theft: Berliner FC Dynamo, East German Football, and the End of Communism

Alan McDougall

in The Whole World Was Watching: Sport in the Cold War

Published in print:
2019
Published Online:
May 2020
ISBN:
9781503610187
eISBN:
9781503611016
Item type:
chapter
Publisher:
Stanford University Press
DOI:
10.11126/stanford/9781503610187.003.0008
Subject:
History, World Modern History

One club towered above all others in the final decade of East German football. Berliner FC Dynamo (BFC), the team sponsored by the secret police (Stasi), won the league title for ten straight seasons ... More


Observations of the Sun

Douglas V. Hoyt and Kenneth H. Shatten

in Title Pages

Published in print:
1997
Published Online:
November 2020
ISBN:
9780195094138
eISBN:
9780197560730
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780195094138.003.0005
Subject:
Earth Sciences and Geography, Meteorology and Climatology

Our sun is a typical “second generation,” or G2, star nearly 4.5 billion years old. The sun is composed of 92.1% hydrogen and 7.8% helium gas, as well as ... More


Magnetic Fields In Stellar Interiors

Leon Mestel

in Stellar Magnetism

Published in print:
2003
Published Online:
January 2010
ISBN:
9780198526728
eISBN:
9780191707049
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198526728.003.0005
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

Over the bulk of a stellar radiative zone, the magnetic force is expected to be a very small perturbation to the balance of pressure versus gravity plus centrifugal acceleration. A rotational shear ... More


Late-Type Stars

Leon Mestel

in Stellar Magnetism

Published in print:
2003
Published Online:
January 2010
ISBN:
9780198526728
eISBN:
9780191707049
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198526728.003.0008
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

Main-sequence stars of solar mass or less have deep convective envelopes in which an αΩ dynamo can generate a magnetic field of strength that decreases as the star is spun down. Solar-type activity ... More


Pre-Main Sequence Stars

Leon Mestel

in Stellar Magnetism

Published in print:
2003
Published Online:
January 2010
ISBN:
9780198526728
eISBN:
9780191707049
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198526728.003.0010
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

A classical T Tauri star (CTTS), believed to be in the Hayashi contraction phase, emits strongly variable optical and UV continua, and also a line spectrum, all apparently forming in a dense, ... More


The Conveyor Belt inside the Sun

Arnab Rai Choudhuri

in Nature’s Third Cycle: A Story of Sunspots

Published in print:
2015
Published Online:
April 2015
ISBN:
9780199674756
eISBN:
9780191752469
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199674756.003.0007
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

This chapter discusses how the ideas of Babcock and Leighton can be invoked to solve the difficulties of the earlier solar dynamo models. The chapter then describes the flux transport dynamo model, ... More


We Look Before and After

Arnab Rai Choudhuri

in Nature’s Third Cycle: A Story of Sunspots

Published in print:
2015
Published Online:
April 2015
ISBN:
9780199674756
eISBN:
9780191752469
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199674756.003.0009
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

This chapter begins by discussing the recent efforts of reconstructing the past history of sunspot activity, with some comments on the ill-understood subject of the possible effects of the sunspot ... More


Religion and the Death of Death

John Patrick Diggins (ed.)

in Eugene O'Neill's America: Desire Under Democracy

Published in print:
2007
Published Online:
February 2013
ISBN:
9780226148809
eISBN:
9780226148823
Item type:
chapter
Publisher:
University of Chicago Press
DOI:
10.7208/chicago/9780226148823.003.0010
Subject:
Literature, Drama

Eugene O'Neill's encounter with religion was as much personal as philosophical, and it is understandable that he would be attracted to Friedrich Nietzsche and think that he could regard the ... More


Collaborating Objects Radiating Environments

Douglas Kahn

in Earth Sound Earth Signal: Energies and Earth Magnitude in the Arts

Published in print:
2013
Published Online:
May 2014
ISBN:
9780520257801
eISBN:
9780520956834
Item type:
chapter
Publisher:
University of California Press
DOI:
10.1525/california/9780520257801.003.0019
Subject:
Music, Theory, Analysis, Composition

The saturation of urban spaces with electromagnetic fields and waves is presented in terms of radio interference from domestic electrical appliances, commercial electrical devices, and the ... More


Nature’s Third Cycle: A Story of Sunspots

Arnab Rai Choudhuri

Published in print:
2015
Published Online:
April 2015
ISBN:
9780199674756
eISBN:
9780191752469
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199674756.001.0001
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

This book argues that the 11-year sunspot cycle has become the third most important natural cycle affecting our lives, after the cycle of day and night and the cycle of seasons. The aim of this book ... More


Explosions, Blackouts and Cycles

Arnab Rai Choudhuri

in Nature’s Third Cycle: A Story of Sunspots

Published in print:
2015
Published Online:
April 2015
ISBN:
9780199674756
eISBN:
9780191752469
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199674756.003.0001
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

This chapter gives an introduction of how the sunspot cycle affects the earth and why we should be curious about it—arguing the case that it should be regarded as the ‘third cycle’. It also comments ... More


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