Active OB-Stars; laboratories for stellar and circumstellar physics; proceedings.9781583812297 Active OB-Stars; laboratories for stellar and circumstellar cir·cum·stel·lar adj. Revolving around or surrounding a star. physics; proceedings. Conference on Active OB-Stars; Laboratories for Stellar and Circumstellar Physics (2005: Sapporo, Japan) Ed. by Stanislav Stefl et al. Astronomical Soc./Pacific 2007 573 pages $77.00 Hardcover Astronomical Society of the Pacific The Astronomical Society of the Pacific (ASP) was founded in San Francisco in 1889. It has the legal status of a nonprofit organization. It is the largest general astronomy society in the world, with members from over 70 countries. conference series; v.361 QB6 Stefl (European Southern Observatory European Southern Observatory (ESO), an intergovernmental organization for astronomical research with headquarters in Garching, near Munich, Germany. The ESO began in 1962 as a consortium among Belgium, Denmark, France, Germany, the Netherlands, and Sweden. , Chile), Owocki (Bartol Research Institute, U. of Delaware, US), and Okazaki (Hokkai-Gakuen U., Japan) present the proceedings of an International Astronomical Union “IAU” redirects here. For other uses, see IAU (disambiguation). The International Astronomical Union (IAU) unites national astronomical societies from around the world. meeting held in Japan in August-September of 2005. The meeting focused on active OB-stars as laboratories for the study of physical processes leading to stellar activity and the ejection of circumstellar material, particularly the orbiting disk that is central to rapidly rotating B-type stars with prominent emission lines of hydrogen in their spectrums (Be stars). Opening invited reviews provide an overview of active OB stars, discuss rotation and the circumstelllar environment, and explore statistical inference of the Be star periodicity periodicity /pe·ri·o·dic·i·ty/ (per?e-ah-dis´i-te) recurrence at regular intervals of time. pe·ri·o·dic·i·ty n. 1. . The remaining 42 papers are presented in accordance with the conference sessions, which were dedicated to dynamical processes, stellar mass loss Stellar mass loss is a phenomenon observed in some massive stars. It occurs when a triggering event causes the ejection of a large portion of the star's mass. Stellar mass loss can also occur when a star gradually loses material to a binary companion or into interstellar space. as origin of circumstellar material, structure and dynamics of circumstellar disks, and evolutionary effects in active OB-stars. Also presented are the 44 posters from the meeting. ([c]20072005 Book News, Inc., Portland, OR) |
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