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Planetary Habitability In Binary Systems

Author: Pilat-lohinger Elke

Publisher: World Scientific

Published: 2019-02-27

Total Pages: 204

ISBN-13: 9813275146

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Astrophysical research has led to the detection of thousands of planets outside the Solar System. About one-tenth of the extrasolar planets discovered so far reside in binary- or multi-stellar systems, and some of the closest known rocky exoplanets populate these multiple-star systems. While such environments seem good places to look for a second Earth, can Earth-like planets with two or more suns be habitable? And do solar system-like configurations have to be detected to find a habitable exo-Earth?This book addresses these questions. Starting with a brief overview of the various types of double star-planet configurations that have been observed so far, the book discusses the intriguing variety of planetary motion in such environments, taking into account the stellar type, evolution, and activity, and elaborates on how the presence of an additional stellar companion affects planet formation, system architectures and the habitability of planets in binary star systems. New methodologies developed in this area of research are explained and demonstrated for systems such as Alpha-Centauri, HD41004, Kepler-35, and many others. This monograph provides a grand entry to the exciting results that we expect from new missions like TESS, CHEOPS and Plato.

Book Synopsis Planetary Habitability In Binary Systems by : Pilat-lohinger Elke

Download or read book Planetary Habitability In Binary Systems written by Pilat-lohinger Elke and published by World Scientific. This book was released on 2019-02-27 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt: Astrophysical research has led to the detection of thousands of planets outside the Solar System. About one-tenth of the extrasolar planets discovered so far reside in binary- or multi-stellar systems, and some of the closest known rocky exoplanets populate these multiple-star systems. While such environments seem good places to look for a second Earth, can Earth-like planets with two or more suns be habitable? And do solar system-like configurations have to be detected to find a habitable exo-Earth?This book addresses these questions. Starting with a brief overview of the various types of double star-planet configurations that have been observed so far, the book discusses the intriguing variety of planetary motion in such environments, taking into account the stellar type, evolution, and activity, and elaborates on how the presence of an additional stellar companion affects planet formation, system architectures and the habitability of planets in binary star systems. New methodologies developed in this area of research are explained and demonstrated for systems such as Alpha-Centauri, HD41004, Kepler-35, and many others. This monograph provides a grand entry to the exciting results that we expect from new missions like TESS, CHEOPS and Plato.

Planetary Habitability in Binary Systems

Author: Elke Pilat-Lohinger

Publisher:

Published: 2019

Total Pages:

ISBN-13: 9789813275133

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Book Synopsis Planetary Habitability in Binary Systems by : Elke Pilat-Lohinger

Download or read book Planetary Habitability in Binary Systems written by Elke Pilat-Lohinger and published by . This book was released on 2019 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Planets in Binary Star Systems

Author: Nader Haghighipour

Publisher: Springer Science & Business Media

Published: 2010-06-03

Total Pages: 334

ISBN-13: 9048186870

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In 1988, in an article on the analysis of the measurements of the variations in the radial velocities of a number of stars, Campbell, Walker, and Yang reported an - teresting phenomenon;the radial velocity variations of Cephei seemed to suggest the existence of a Jupiter-like planet around this star. This was a very exciting and, at the same time, very surprising discovery. It was exciting because if true, it would have marked the detection of the ?rst planet outside of our solar system. It was surprising because the planet-hosting star is the primary of a binary system with a separation less than 19 AU, a distance comparable to the planetary distances in our solar system. The moderatelyclose orbit of the stellar companionof Cephei raised questions about the reality of its planet. The skepticism over the interpretation of the results (which was primarily based on the idea that binary star systems with small sepa- tions would not be favorable places for planet formation) became so strong that in a subsequent paper in 1992, Walker and his colleagues suggested that the planet in the Cephei binary might not be real, and the variations in the radial velocity of this star might have been due to its chromospheric activities.

Book Synopsis Planets in Binary Star Systems by : Nader Haghighipour

Download or read book Planets in Binary Star Systems written by Nader Haghighipour and published by Springer Science & Business Media. This book was released on 2010-06-03 with total page 334 pages. Available in PDF, EPUB and Kindle. Book excerpt: In 1988, in an article on the analysis of the measurements of the variations in the radial velocities of a number of stars, Campbell, Walker, and Yang reported an - teresting phenomenon;the radial velocity variations of Cephei seemed to suggest the existence of a Jupiter-like planet around this star. This was a very exciting and, at the same time, very surprising discovery. It was exciting because if true, it would have marked the detection of the ?rst planet outside of our solar system. It was surprising because the planet-hosting star is the primary of a binary system with a separation less than 19 AU, a distance comparable to the planetary distances in our solar system. The moderatelyclose orbit of the stellar companionof Cephei raised questions about the reality of its planet. The skepticism over the interpretation of the results (which was primarily based on the idea that binary star systems with small sepa- tions would not be favorable places for planet formation) became so strong that in a subsequent paper in 1992, Walker and his colleagues suggested that the planet in the Cephei binary might not be real, and the variations in the radial velocity of this star might have been due to its chromospheric activities.

Planets in Binary Star Systems

Author: Nader Haghighipour

Publisher: Springer

Published: 2010-11-05

Total Pages: 332

ISBN-13: 9789048186983

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Book Synopsis Planets in Binary Star Systems by : Nader Haghighipour

Download or read book Planets in Binary Star Systems written by Nader Haghighipour and published by Springer. This book was released on 2010-11-05 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt: In 1988, in an article on the analysis of the measurements of the variations in the radial velocities of a number of stars, Campbell, Walker, and Yang reported an - teresting phenomenon;the radial velocity variations of Cephei seemed to suggest the existence of a Jupiter-like planet around this star. This was a very exciting and, at the same time, very surprising discovery. It was exciting because if true, it would have marked the detection of the ?rst planet outside of our solar system. It was surprising because the planet-hosting star is the primary of a binary system with a separation less than 19 AU, a distance comparable to the planetary distances in our solar system. The moderatelyclose orbit of the stellar companionof Cephei raised questions about the reality of its planet. The skepticism over the interpretation of the results (which was primarily based on the idea that binary star systems with small sepa- tions would not be favorable places for planet formation) became so strong that in a subsequent paper in 1992, Walker and his colleagues suggested that the planet in the Cephei binary might not be real, and the variations in the radial velocity of this star might have been due to its chromospheric activities.

Habitability of Stellar Binary Systems

Author: Zhaopeng Wang

Publisher:

Published: 2017

Total Pages: 87

ISBN-13:

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A comprehensive approach is provided to the study of habitable zones (HZs) for both S-type and P-type cases of stellar binary systems for both circular and elliptical orbits of the binary components, based on habitability limits for the Sun from previous work. Habitable regions are determined through the consideration of a joint constraint, including the planetary orbital stability and the extent of the radiative habitable zones (RHZs). The HZs are classified based on solar system habitability limits, which also consider different climate models. In this work, the new climate model published by Kopparapu in 2014 is used for RHZ calculation. Comparisons among results from different climate models are made and previous work based on old climate models are introduced. Furthermore, fitting formulae for the quick determination of existence of S-type and P-type Habitable Zones are derived and applied to real systems. The fitting formulae, which are based on Kopparapu's climate model, will be very useful because: (1) the observational uncertainties can be considered in a straightforward manner; (2) the fitting formulae are focusing on main-sequence stars, of which most systems are expected to consist.

Book Synopsis Habitability of Stellar Binary Systems by : Zhaopeng Wang

Download or read book Habitability of Stellar Binary Systems written by Zhaopeng Wang and published by . This book was released on 2017 with total page 87 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive approach is provided to the study of habitable zones (HZs) for both S-type and P-type cases of stellar binary systems for both circular and elliptical orbits of the binary components, based on habitability limits for the Sun from previous work. Habitable regions are determined through the consideration of a joint constraint, including the planetary orbital stability and the extent of the radiative habitable zones (RHZs). The HZs are classified based on solar system habitability limits, which also consider different climate models. In this work, the new climate model published by Kopparapu in 2014 is used for RHZ calculation. Comparisons among results from different climate models are made and previous work based on old climate models are introduced. Furthermore, fitting formulae for the quick determination of existence of S-type and P-type Habitable Zones are derived and applied to real systems. The fitting formulae, which are based on Kopparapu's climate model, will be very useful because: (1) the observational uncertainties can be considered in a straightforward manner; (2) the fitting formulae are focusing on main-sequence stars, of which most systems are expected to consist.

Habitable Planet Formation in Binary Star Systems

Author: Lee A. Criswell

Publisher:

Published: 1996

Total Pages: 222

ISBN-13:

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Book Synopsis Habitable Planet Formation in Binary Star Systems by : Lee A. Criswell

Download or read book Habitable Planet Formation in Binary Star Systems written by Lee A. Criswell and published by . This book was released on 1996 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Biological Universe

Author: Wallace Arthur

Publisher: Cambridge University Press

Published: 2020-09-24

Total Pages: 361

ISBN-13: 1108836941

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Current state of play in astrobiology, including exoplanets and their atmospheres, habitable zones and the likelihood of evolution elsewhere.

Book Synopsis The Biological Universe by : Wallace Arthur

Download or read book The Biological Universe written by Wallace Arthur and published by Cambridge University Press. This book was released on 2020-09-24 with total page 361 pages. Available in PDF, EPUB and Kindle. Book excerpt: Current state of play in astrobiology, including exoplanets and their atmospheres, habitable zones and the likelihood of evolution elsewhere.

Planet Formation in Binary Star Systems

Author: Elisa V. Quintana

Publisher:

Published: 2004

Total Pages: 552

ISBN-13:

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Book Synopsis Planet Formation in Binary Star Systems by : Elisa V. Quintana

Download or read book Planet Formation in Binary Star Systems written by Elisa V. Quintana and published by . This book was released on 2004 with total page 552 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Habitable Planets for Man

Author: Stephen H. Dole

Publisher: Rand Corporation

Published: 2007-09

Total Pages: 158

ISBN-13: 9780833042279

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Habitable Planets for Man examines and estimates the probabilities of finding planets habitable to man, where they might be found, and the number there may be in our own galaxy. The author presents in detail the characteristics of a planet that can provide an acceptable environment for humankind, itemizes the stars nearest the earth most likely to possess habitable planets, and discusses how to search for habitable planets. Interestingly for our time, he also gives an appraisal of the earth as a planet and describes how its habitability would be changed if some of its basic properties were altered. This is a reprint of an edition originally published in 1964.

Book Synopsis Habitable Planets for Man by : Stephen H. Dole

Download or read book Habitable Planets for Man written by Stephen H. Dole and published by Rand Corporation. This book was released on 2007-09 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt: Habitable Planets for Man examines and estimates the probabilities of finding planets habitable to man, where they might be found, and the number there may be in our own galaxy. The author presents in detail the characteristics of a planet that can provide an acceptable environment for humankind, itemizes the stars nearest the earth most likely to possess habitable planets, and discusses how to search for habitable planets. Interestingly for our time, he also gives an appraisal of the earth as a planet and describes how its habitability would be changed if some of its basic properties were altered. This is a reprint of an edition originally published in 1964.

Planetary Astrobiology

Author: Victoria Meadows

Publisher: University of Arizona Press

Published: 2020-06-16

Total Pages: 593

ISBN-13: 0816540659

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Are we alone in the universe? How did life arise on our planet? How do we search for life beyond Earth? These profound questions excite and intrigue broad cross sections of science and society. Answering these questions is the province of the emerging, strongly interdisciplinary field of astrobiology. Life is inextricably tied to the formation, chemistry, and evolution of its host world, and multidisciplinary studies of solar system worlds can provide key insights into processes that govern planetary habitability, informing the search for life in our solar system and beyond. Planetary Astrobiology brings together current knowledge across astronomy, biology, geology, physics, chemistry, and related fields, and considers the synergies between studies of solar systems and exoplanets to identify the path needed to advance the exploration of these profound questions. Planetary Astrobiology represents the combined efforts of more than seventy-five international experts consolidated into twenty chapters and provides an accessible, interdisciplinary gateway for new students and seasoned researchers who wish to learn more about this expanding field. Readers are brought to the frontiers of knowledge in astrobiology via results from the exploration of our own solar system and exoplanetary systems. The overarching goal of Planetary Astrobiology is to enhance and broaden the development of an interdisciplinary approach across the astrobiology, planetary science, and exoplanet communities, enabling a new era of comparative planetology that encompasses conditions and processes for the emergence, evolution, and detection of life.

Book Synopsis Planetary Astrobiology by : Victoria Meadows

Download or read book Planetary Astrobiology written by Victoria Meadows and published by University of Arizona Press. This book was released on 2020-06-16 with total page 593 pages. Available in PDF, EPUB and Kindle. Book excerpt: Are we alone in the universe? How did life arise on our planet? How do we search for life beyond Earth? These profound questions excite and intrigue broad cross sections of science and society. Answering these questions is the province of the emerging, strongly interdisciplinary field of astrobiology. Life is inextricably tied to the formation, chemistry, and evolution of its host world, and multidisciplinary studies of solar system worlds can provide key insights into processes that govern planetary habitability, informing the search for life in our solar system and beyond. Planetary Astrobiology brings together current knowledge across astronomy, biology, geology, physics, chemistry, and related fields, and considers the synergies between studies of solar systems and exoplanets to identify the path needed to advance the exploration of these profound questions. Planetary Astrobiology represents the combined efforts of more than seventy-five international experts consolidated into twenty chapters and provides an accessible, interdisciplinary gateway for new students and seasoned researchers who wish to learn more about this expanding field. Readers are brought to the frontiers of knowledge in astrobiology via results from the exploration of our own solar system and exoplanetary systems. The overarching goal of Planetary Astrobiology is to enhance and broaden the development of an interdisciplinary approach across the astrobiology, planetary science, and exoplanet communities, enabling a new era of comparative planetology that encompasses conditions and processes for the emergence, evolution, and detection of life.