Advancing Variable Star Astronomy: The Centennial History of by Thomas R. Williams

By Thomas R. Williams

Based in 1911, the AAVSO boasts over 1200 participants and observers and is the world's greatest non-profit association devoted to variable celebrity commentary. This well timed e-book marks the AAVSO's centennial 12 months, providing an authoritative and exact heritage of this significant organization. Writing in a fascinating and obtainable sort, the authors flow chronologically via 5 eras of the AAVSO, discussing the evolution of its constitution and goal. in the course of the textual content, the main target is at the millions of people whose contributions have made the AAVSO's growth attainable. Describing a century of interplay among beginner astronomers, the authors have a good time the collaborative relationships that experience existed through the years. because the definitive heritage of the 1st hundred years of the AAVSO, this article has wide allure and may be of curiosity to beginner astronomers, in addition to historians and sociologists of technology in most cases.

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By Thomas R. Williams

Based in 1911, the AAVSO boasts over 1200 participants and observers and is the world's greatest non-profit association devoted to variable celebrity commentary. This well timed e-book marks the AAVSO's centennial 12 months, providing an authoritative and exact heritage of this significant organization. Writing in a fascinating and obtainable sort, the authors flow chronologically via 5 eras of the AAVSO, discussing the evolution of its constitution and goal. in the course of the textual content, the main target is at the millions of people whose contributions have made the AAVSO's growth attainable. Describing a century of interplay among beginner astronomers, the authors have a good time the collaborative relationships that experience existed through the years. because the definitive heritage of the 1st hundred years of the AAVSO, this article has wide allure and may be of curiosity to beginner astronomers, in addition to historians and sociologists of technology in most cases.

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When he graduated in 1892, the Academy principal, Robert P. 12 While Tyler Olcott attended the Academy, the elderly Captain Roath passed away in February 1891. Apparently fond of his step-grandson, he bequeathed Tyler Olcott his gold watch. Captain Roath passed half of his estate to his wife Olivia Ann Roath, who had supported him during his later years, including 10 years as an invalid. The remaining half was divided between his sister and his two nephews, William Samuel Roath and W. 14 Around 1890, a boom began in American collegiate education.

Wendell, William M. Reed, and Annie J. Cannon of the HCO staff and by amateur astronomer Frank E. Seagrave of Providence, Rhode Island. ” He soon followed it with a program of observations of 58 long-period variables made between 1890 and 1901. Although Pickering continued to expand his program of collection and publication of variable star data, he still had to rely on an informal network of amateur and professional astronomers. The observations again were made mainly by HCO staff Wendell, Reed, and Cannon, and Seagrave.

Technical articles by both Hale and Pickering featured stellar spectroscopy more than general astronomy. Hale wanted to attract the emerging astrophysicists who were unable to publish their work in Gould’s Astronomical Journal. According to Donald Osterbrock, this new journal led to the creation of The Astrophysical Journal and Popular Astronomy. 27 His “untechnical” publication soon attracted amateur astronomers like Paul S. 29 Although aimed at an amateur audience, his articles contained considerable detail, such as the positions of 18 short-period variables, elements of variation, a finder chart, a table of comparison stars and light steps, and a table of mean values from his own reduced observations.

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