The Accretion and Obscured Growth of Supermassive Black Holes

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Author :
Publisher : Springer Nature
ISBN 13 : 303060361X
Total Pages : 327 pages
Book Rating : 4.0/5 (36 download)

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Book Synopsis The Accretion and Obscured Growth of Supermassive Black Holes by : Peter Boorman

Download or read book The Accretion and Obscured Growth of Supermassive Black Holes written by Peter Boorman and published by Springer Nature. This book was released on 2020-12-02 with total page 327 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis describes the application of state-of-the-art high-energy X-ray studies to the astronomical quest for understanding obscured active galactic nuclei (AGN). These AGN are supermassive black holes growing by accretion of matter located in the nuclei of galaxies. The material that feeds these black holes also obscures them from view, rendering them challenging to study. It is possible to study them by effectively 'X-raying' galactic nuclei to peer through these obscuring veils. Beginning with the proof-of-concept application of novel X-ray Monte Carlo codes to the Nuclear Spectroscopic Telescope ARray (NuSTAR) spectrum of a known heavily obscured AGN, the thesis establishes the relevant parameters that characterise the AGN spectrum and central black hole growth rate. Next the largest sample of known heavily obscured AGN is compiled, finding the strength of a prominent iron spectral feature to weaken with AGN power. This is puzzling, and suggests that there may be more hidden AGN than previously thought. Finally by combining an all-sky infrared selection with NuSTAR follow-up, new heavily obscured AGN are identified. Obscuration emits infrared radiation, meaning that the infrared-selected AGN catalogue should be representative of the underlying AGN population. The absence of such representative catalogues has continually plagued cosmological studies, and the resultant obscured AGN fraction will be strongly constraining for AGN models.

An Obscured Quest

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Author :
Publisher : Dorrance Publishing
ISBN 13 :
Total Pages : 245 pages
Book Rating : 4.8/5 (912 download)

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Book Synopsis An Obscured Quest by : Dale Helm

Download or read book An Obscured Quest written by Dale Helm and published by Dorrance Publishing. This book was released on 2024-02-16 with total page 245 pages. Available in PDF, EPUB and Kindle. Book excerpt: About the Book Following two heartbreaking losses, Wayne Chapulis decides to leave the US and take on a business opportunity in Finland, where his mother and brother reside. Soon after his arrival, he receives an old photograph of his dad shaking hands with an unknown man. An Obscured Quest is launched as Wayne tries to determine the man’s identity. During his search, he is brought back to his childhood’s settings and also gets re-introduced to his former best friend’s kid sister, who has grown into a beautiful young woman. Despite that bright spot, Wayne soon finds himself being followed, assaulted in his home, and comes upon the stranger he seeks—murdered. Finnish cops and US Embassy personnel take up an investigation, but the harassment doesn’t stop. Little by little he comes up with new clues to his dad’s decades-old doings that take him on a hunt to Sweden, Holland, and finally back to New England before the secrets his dad left behind are uncovered. About the Author Dale Helm is an ex-military man who, after completion of a university degree, chose a career in international tech business. He has lived in Finland, the Netherlands, and the USA. Currently, Helm lives in the White Mountains of New Hampshire and works remotely as a manager for a high-tech company. He has always been an active sportsman with backgrounds in skiing, soccer, hockey, and most other games you need a racket for. Helm served in the military branch that required extreme outdoors skills, so he is rather proficient in orienteering and surviving in harsh arctic conditions year-round. He has logged nearly a thousand skydive jumps and used to be a jumpmaster. Helm has two grown boys who live on their own and two grandkids. He is married but lives most of the time with his Siberian Husky with whom he hikes and skis on a daily basis. Helm still chases puck weekly, but he guesses these days it can only be called a poor imitation of hockey.

Detection And Identification Of Visually Obscured Targets

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Author :
Publisher : Routledge
ISBN 13 : 1351455656
Total Pages : 458 pages
Book Rating : 4.3/5 (514 download)

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Book Synopsis Detection And Identification Of Visually Obscured Targets by : Carl E. Baum

Download or read book Detection And Identification Of Visually Obscured Targets written by Carl E. Baum and published by Routledge. This book was released on 2019-09-26 with total page 458 pages. Available in PDF, EPUB and Kindle. Book excerpt: Beginning with a review of the current need for identification of buried and surface unexplored ordnance such as mines, shells, bombs, this book then explains existing techniques for electromagnetic detection of such targets. A detailed treatment of target signatures (natural frequencies and related parameters) for identification and discrimination of false alarms is also given.

Obscure Diseases of the Brain and Mind

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Publisher :
ISBN 13 :
Total Pages : 498 pages
Book Rating : 4.:/5 (334 download)

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Book Synopsis Obscure Diseases of the Brain and Mind by : Forbes Winslow

Download or read book Obscure Diseases of the Brain and Mind written by Forbes Winslow and published by . This book was released on 1866 with total page 498 pages. Available in PDF, EPUB and Kindle. Book excerpt:

On the Obscure Diseases of the Brain and Disorders of the Mind

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Publisher :
ISBN 13 :
Total Pages : 644 pages
Book Rating : 4.0/5 (26 download)

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Book Synopsis On the Obscure Diseases of the Brain and Disorders of the Mind by : Forbes Winslow

Download or read book On the Obscure Diseases of the Brain and Disorders of the Mind written by Forbes Winslow and published by . This book was released on 1868 with total page 644 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Jude the Obscure

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Publisher : OUP Oxford
ISBN 13 : 0191560960
Total Pages : 492 pages
Book Rating : 4.1/5 (915 download)

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Book Synopsis Jude the Obscure by : Thomas Hardy

Download or read book Jude the Obscure written by Thomas Hardy and published by OUP Oxford. This book was released on 2008-08-14 with total page 492 pages. Available in PDF, EPUB and Kindle. Book excerpt: 'Wherefore is light given to him that is in misery, and life unto the bitter in soul?' Jude Fawley, poor and working-class, longs to study at the University of Christminster, but he is rebuffed, and trapped in a loveless marriage. He falls in love with his unconventional cousin Sue Bridehead, and their refusal to marry when free to do so confirms their rejection of and by the world around them. The shocking fate that overtakes them is an indictment of a rigid and uncaring society. Hardy's last and most controversial novel, Jude the Obscure caused outrage when it was published in 1895. This is the first truly critical edition, taking account of the changes that Hardy made over twenty-five years. It includes a new chronology and bibliography and substantially revised notes. ABOUT THE SERIES: For over 100 years Oxford World's Classics has made available the widest range of literature from around the globe. Each affordable volume reflects Oxford's commitment to scholarship, providing the most accurate text plus a wealth of other valuable features, including expert introductions by leading authorities, helpful notes to clarify the text, up-to-date bibliographies for further study, and much more.

That Obscure Subject of Desire

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Publisher : Routledge
ISBN 13 : 1317795474
Total Pages : 272 pages
Book Rating : 4.3/5 (177 download)

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Book Synopsis That Obscure Subject of Desire by : Ronnie Lesser

Download or read book That Obscure Subject of Desire written by Ronnie Lesser and published by Routledge. This book was released on 2013-11-12 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: An interdisciplinary collection of papers on Freud's sixth and final case psychogenesis of a case of homosexuality in a woman. To date this case has received very little attention, which can be seen as a sign of the marginalization of lesbians in both psychoanalytic theory and culture. This text seeks to rectify this neglect, providing a forum where questions surrounding this case can be discussed. This edition first published in 1999. Routledge is an imprint of Taylor & Francis, an informa company.

A Treatise on the More Obscure Affections of the Brain

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Author :
Publisher :
ISBN 13 :
Total Pages : 156 pages
Book Rating : 4.A/5 ( download)

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Book Synopsis A Treatise on the More Obscure Affections of the Brain by : Alexander Philip Wilson Philip

Download or read book A Treatise on the More Obscure Affections of the Brain written by Alexander Philip Wilson Philip and published by . This book was released on 1835 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Dictionary of Obscure Sorrows

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Publisher : Simon and Schuster
ISBN 13 : 1501153668
Total Pages : 288 pages
Book Rating : 4.5/5 (11 download)

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Book Synopsis The Dictionary of Obscure Sorrows by : John Koenig

Download or read book The Dictionary of Obscure Sorrows written by John Koenig and published by Simon and Schuster. This book was released on 2021-11-16 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt: NEW YORK TIMES BESTSELLER “It’s undeniably thrilling to find words for our strangest feelings…Koenig casts light into lonely corners of human experience…An enchanting book. “ —The Washington Post A truly original book in every sense of the word, The Dictionary of Obscure Sorrows poetically defines emotions that we all feel but don’t have the words to express—until now. Have you ever wondered about the lives of each person you pass on the street, realizing that everyone is the main character in their own story, each living a life as vivid and complex as your own? That feeling has a name: “sonder.” Or maybe you’ve watched a thunderstorm roll in and felt a primal hunger for disaster, hoping it would shake up your life. That’s called “lachesism.” Or you were looking through old photos and felt a pang of nostalgia for a time you’ve never actually experienced. That’s “anemoia.” If you’ve never heard of these terms before, that’s because they didn’t exist until John Koenig set out to fill the gaps in our language of emotion. The Dictionary of Obscure Sorrows “creates beautiful new words that we need but do not yet have,” says John Green, bestselling author of The Fault in Our Stars. By turns poignant, relatable, and mind-bending, the definitions include whimsical etymologies drawn from languages around the world, interspersed with otherworldly collages and lyrical essays that explore forgotten corners of the human condition—from “astrophe,” the longing to explore beyond the planet Earth, to “zenosyne,” the sense that time keeps getting faster. The Dictionary of Obscure Sorrows is for anyone who enjoys a shift in perspective, pondering the ineffable feelings that make up our lives. With a gorgeous package and beautiful illustrations throughout, this is the perfect gift for creatives, word nerds, and human beings everywhere.

H.O. Pub

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Author :
Publisher :
ISBN 13 :
Total Pages : 468 pages
Book Rating : 4.:/5 (28 download)

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Book Synopsis H.O. Pub by : United States. Hydrographic Office

Download or read book H.O. Pub written by United States. Hydrographic Office and published by . This book was released on 1916 with total page 468 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Photo-miniature

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Publisher :
ISBN 13 :
Total Pages : 414 pages
Book Rating : 4.A/5 ( download)

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Book Synopsis The Photo-miniature by :

Download or read book The Photo-miniature written by and published by . This book was released on 1899 with total page 414 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Journal of the American Society for Psychical Research

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Publisher :
ISBN 13 :
Total Pages : 802 pages
Book Rating : 4.:/5 (3 download)

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Book Synopsis Journal of the American Society for Psychical Research by : American Society for Psychical Research

Download or read book Journal of the American Society for Psychical Research written by American Society for Psychical Research and published by . This book was released on 1923 with total page 802 pages. Available in PDF, EPUB and Kindle. Book excerpt: List of members in v. 1, 6, 12.

Perception

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Publisher :
ISBN 13 :
Total Pages : 756 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Perception by :

Download or read book Perception written by and published by . This book was released on 2003 with total page 756 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Summary of Tariff Information, 1921, Relative to the Bill H. R. 7456

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Author :
Publisher :
ISBN 13 :
Total Pages : 1774 pages
Book Rating : 4.:/5 (334 download)

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Book Synopsis Summary of Tariff Information, 1921, Relative to the Bill H. R. 7456 by :

Download or read book Summary of Tariff Information, 1921, Relative to the Bill H. R. 7456 written by and published by . This book was released on 1922 with total page 1774 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Obscure Corners and Crevices

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Publisher : Xlibris Corporation
ISBN 13 : 1493189212
Total Pages : 251 pages
Book Rating : 4.4/5 (931 download)

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Book Synopsis Obscure Corners and Crevices by : Linda Leven

Download or read book Obscure Corners and Crevices written by Linda Leven and published by Xlibris Corporation. This book was released on 2014-05-30 with total page 251 pages. Available in PDF, EPUB and Kindle. Book excerpt: What in the World! In this, her first book of short stories or fragments of life inspired by true events, Leven successfully applies her unique ability to turn the ordinary into the extraordinary. Customary events of life mutate into those that are bewildering, stupefying, erotic, and yet profoundevents that diverge off the beaten path and baffle all ordinary description. A lovers pact, a job interview, a student-teacher relationship, an audition, a visit to a new art gallery, a relationship between old high school chums, a neighbors disputeall mushroom into the farcical, the grim, and the inconceivable. In Obscure Corners and Crevices, Leven offers her readers nine portraits of normal, intelligent, introspective individuals who end up enmeshed in usual life situations that unexpectedly warp into the incredible, into events that most of her readers will never have experienced . . . guaranteed! Her characters, along with her readers, are enveloped in a detailed anatomy of the human heart and mind through meticulously painted events, dialogue, and a unique philosophy that permeates all of Levens writings. The tales, whether dramatic, extravagant, or droll, all maintain a lofty profundity and soaring level of suspense until the unforeseen final denouement.

Reed's Nautical Almanac

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Author :
Publisher :
ISBN 13 :
Total Pages : 810 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Reed's Nautical Almanac by :

Download or read book Reed's Nautical Almanac written by and published by . This book was released on 2000 with total page 810 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Foreign Commerce and Navigation of the United States

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Author :
Publisher :
ISBN 13 :
Total Pages : 1024 pages
Book Rating : 4.:/5 ( download)

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Book Synopsis The Foreign Commerce and Navigation of the United States by :

Download or read book The Foreign Commerce and Navigation of the United States written by and published by . This book was released on 1917 with total page 1024 pages. Available in PDF, EPUB and Kindle. Book excerpt: