Investigating The A Type Stars Using Kepler Data
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Author |
: Simon J. Murphy |
Publisher |
: Springer |
Total Pages |
: 217 |
Release |
: 2014-09-20 |
ISBN-10 |
: 9783319094175 |
ISBN-13 |
: 3319094173 |
Rating |
: 4/5 (75 Downloads) |
Synopsis Investigating the A-Type Stars Using Kepler Data by : Simon J. Murphy
Simon Murphy's thesis has significant impact on the wide use of the revolutionary Kepler Mission data, leading to a new understanding in stellar astrophysics. It first provides a deep characterisation and comparison of the Kepler long cadence and short cadence data, with particular insight into the Kepler reduction pipeline. It then brings together modern reviews of rotation and peculiarities in A-type stars, and their relationship with the pulsating delta Scuti stars. This is the first combined review of these subjects since the classic monograph by Sydney Wolff, "The A stars," was published three decades ago. The thesis presents a novel technique, Super-Nyquist Asteroseismology, that has opened up the asteroseismic study of thousands of Kepler stars. It shows case studies of delta Scuti stars examining amplitude growth, super-Nyquist pulsation, and pulsation in a high-amplitude, population II SX Phoenicis star in a 343-d binary. This work informs our understanding of the relation of rotation to peculiarity, hence has applications to atomic diffusion theory. This is a brilliant thesis written in an elegant and engaging style.
Author |
: Michael Perryman |
Publisher |
: Cambridge University Press |
Total Pages |
: 973 |
Release |
: 2018-08-30 |
ISBN-10 |
: 9781108329668 |
ISBN-13 |
: 1108329667 |
Rating |
: 4/5 (68 Downloads) |
Synopsis The Exoplanet Handbook by : Michael Perryman
With the discovery of planets beyond our solar system 25 years ago, exoplanet research has expanded dramatically, with new state-of-the-art ground-based and space-based missions dedicated to their discovery and characterisation. With more than 3,500 exoplanets now known, the complexity of the discovery techniques, observations and physical characterisation have grown exponentially. This Handbook ties all these avenues of research together across a broad range of exoplanet science. Planet formation, exoplanet interiors and atmospheres, and habitability are discussed, providing in-depth coverage of our knowledge to date. Comprehensively updated from the first edition, it includes instrumental and observational developments, in-depth treatment of the new Kepler mission results and hot Jupiter atmospheric studies, and major updates on models of exoplanet formation. With extensive references to the research literature and appendices covering all individual exoplanet discoveries, it is a valuable reference to this exciting field for both incoming and established researchers.
Author |
: Dominic M. Bowman |
Publisher |
: Springer |
Total Pages |
: 217 |
Release |
: 2017-09-07 |
ISBN-10 |
: 9783319666495 |
ISBN-13 |
: 3319666495 |
Rating |
: 4/5 (95 Downloads) |
Synopsis Amplitude Modulation of Pulsation Modes in Delta Scuti Stars by : Dominic M. Bowman
This outstanding thesis by Dominic Bowman provides a thorough investigation of long-standing questions as to whether amplitude modulation is astrophysical, whether it offers insights into pulsating stars, and whether simple beating of modes with stable amplitudes is unrecognised because of a lack of frequency resolution. In this thesis, the author studied a uniform sample of 983 delta Scuti stars—the most common type of main-sequence heat engine pulsator—that were observed nearly continuously for 4 years at stunning photometric precision of only a few parts per million by the Kepler space mission. With no mission planned to supersede the Kepler 4-year data set, this thesis will stand as the definitive study of these questions for many years. With revolutionary photometric data from the planet-hunting Kepler space mission, asteroseismic studies have been carried out on many hundreds of main-sequence solar-type stars and about 10,000 red giants. It is easy to understand why those stochastically driven stars have highly variable amplitudes. Over much of the rest of the Hertzsprung–Russell (HR) diagram, stellar pulsations are driven by heat mechanisms, which are much more regular than the stochastic driving in solar-like pulsators. Yet for decades, amplitude and frequency modulation of pulsation modes have been observed in almost all types of heat-driven pulsating stars. The author shows that the amplitude and frequency modulation are astrophysical, and he has investigated their implications and prospects to provide new insights into the delta Scuti stars and the many other types of heat-engine pulsators across the HR diagram.
Author |
: F.D. Kahn |
Publisher |
: Springer Science & Business Media |
Total Pages |
: 468 |
Release |
: 2012-12-06 |
ISBN-10 |
: 9789400985346 |
ISBN-13 |
: 9400985347 |
Rating |
: 4/5 (46 Downloads) |
Synopsis Investigating the Universe by : F.D. Kahn
Professor Zdenek Kopal is sixty-seven this year even though his scientific activity, enthusiasm and springy step hardly betray the ad vancement in years. He carne to Manchester as Professor of Astronomy thirty years ago after a very fruitful association of fourteen years with the Harvard Observatory. Much impressed with the young man, Harlow Shapley, who with characteristic insight had recognised in Kopal the qualities that have since made him an outstanding leader in ec1ipsing binary research, had invited him over as a Research Associate. In the subsequent decade Kopal set about the task of introducing analytical rigour in the solution of orbit al elements that hitherto had depended ex c1usively on the semigraphical procedures introduced by Russell and exploited fully by Shapley. These first efforts stimulated publication of the first of his many books on ec1ipsing variables; the Introductian ta the Study of Ec/ipsing Variables summarized these iterative methods and remains a c1assic in this field. Soon after the appearance of this volume in print, Kopal gave a course on this subject for the graduate students at Harvard. I was one of those who had the opportunity to attend it and learn much on the need of care and precision in the practice of photoelectric photometry and the importance of exploiting such data to the fullest extent with methods of increasing resolving power.
Author |
: |
Publisher |
: |
Total Pages |
: 596 |
Release |
: 1974 |
ISBN-10 |
: PSU:000047758834 |
ISBN-13 |
: |
Rating |
: 4/5 (34 Downloads) |
Synopsis Nuclear Science Abstracts by :
Author |
: Laurent Gizon |
Publisher |
: Springer Science & Business Media |
Total Pages |
: 638 |
Release |
: 2008-12-19 |
ISBN-10 |
: 9780387894829 |
ISBN-13 |
: 0387894829 |
Rating |
: 4/5 (29 Downloads) |
Synopsis Helioseismology, Asteroseismology, and MHD Connections by : Laurent Gizon
This collection of papers offers a timely snapshot of helio- and asteroseismology in the era when SOHO/MDI instrument is about to be replaced by SDO/HMI and when the CoRoT space mission is yielding its first long-duration light curves of thousands of stars.
Author |
: Javier Pascual Granado |
Publisher |
: Frontiers Media SA |
Total Pages |
: 157 |
Release |
: 2023-01-17 |
ISBN-10 |
: 9782832511527 |
ISBN-13 |
: 283251152X |
Rating |
: 4/5 (27 Downloads) |
Synopsis Challenges of asteroseismology in the era of space missions by : Javier Pascual Granado
Author |
: Joyce Ann Guzik |
Publisher |
: Frontiers Media SA |
Total Pages |
: 269 |
Release |
: 2021-08-17 |
ISBN-10 |
: 9782889711833 |
ISBN-13 |
: 2889711838 |
Rating |
: 4/5 (33 Downloads) |
Synopsis The Future of Asteroseismology by : Joyce Ann Guzik
Author |
: Ana I. Gomez de Castro |
Publisher |
: Elsevier |
Total Pages |
: 178 |
Release |
: 2021-03-27 |
ISBN-10 |
: 9780128191712 |
ISBN-13 |
: 0128191716 |
Rating |
: 4/5 (12 Downloads) |
Synopsis Ultraviolet Astronomy and the Quest for the Origin of Life by : Ana I. Gomez de Castro
Ultraviolet Astronomy and the Quest for the Origin of Life addresses the use of astronomical observations in the ultraviolet range to better understand the generation of complex, life-precursor molecules. The origin of RNA is still under debate but seems to be related to the generation of pools of complex organic molecules submitted to heavy cycles of solution in water and drying. This book investigates whether these cycles require a planetary surface or may occur in space by examining both the theoretical and observational aspects of the role of UV radiation in the origin of life. This book offers the latest advances in these studies for astronomers, astrobiologists and planetary scientists. - Addresses both the theoretical and observational aspects of the role of Ultraviolet (UV) radiation in the origin of life - Builds on the requirements to produce prebiotic molecules in space and the implications for the origin of RNA - Investigates the use of ultraviolet observations related to planetary system formation, the evolution of young planetary disks, and the interaction of stars with planetary atmospheres
Author |
: Dina Prialnik |
Publisher |
: Elsevier |
Total Pages |
: 478 |
Release |
: 2019-11-22 |
ISBN-10 |
: 9780128164907 |
ISBN-13 |
: 0128164905 |
Rating |
: 4/5 (07 Downloads) |
Synopsis The Trans-Neptunian Solar System by : Dina Prialnik
The Trans-Neptunian Solar System is a timely reference highlighting the state-of-the-art in current knowledge on the outer solar system. It not only explores the individual objects being discovered there, but also their relationships with other Solar System objects and their roles in the formation and evolution of the Solar System and other planets. Integrating important findings from recent missions, such as New Horizons and Rosetta, the book covers the physical properties of the bodies in the Trans-Neptunian Region, including Pluto and other large members of the Kuiper Belt, as well as dynamical indicators for Planet 9 and related objects and future prospects. Offering a complete look at exploration and findings in the Kuiper Belt and the rest of the outer solar system beyond Neptune, this book is an important resource to bring planetary scientists, space scientists and astrophysicists up-to-date on the latest research and current understandings.