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Solar Observations At Millimeter Wavelengths
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Book Synopsis Solar Observations at 8.6-mm Wavelength by : Paul M. Kalaghan
Download or read book Solar Observations at 8.6-mm Wavelength written by Paul M. Kalaghan and published by . This book was released on 1970 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt: The advent of manned space flights has focused attention on the biological threat posed by solar proton flares. In an effort to close one of the gaps in the observation of the solar spectrum, AFCRL has initiated a high resolution millimeter wavelength solar observation program. This report covers the observational approach and initial findings of this program based upon observations from May to December 1968. The equipment and procedures used to produce spectroheliograms at 8.6 mm, using the AFCRL 29-ft Millimeter Wave Antenna, are described. The quiet sun at 8.6 mm appeared to have a brightness temperature of 8400 plus or minus 600 K blackbody and a 'radio diameter' 3 percent greater than the optical disk. The presence of active regions during this period was characterized by localized enhanced regions exhibiting temperature increases from 1 to 28 percent of the quiet sun level. The enhancement and the positions of these regions have been compared with 9.1-cm radio data and various other optical data. The locations of the 8.6-mm enhanced regions are contained within calcium plages. All proton events observed originated only in highly enhanced (Class III) regions. Further observations are in progress to increase the sample size of observed proton events to further refine the possibility of prediction of these events. (Author).
Book Synopsis The sun seen with the atacama large mm and sub-mm array (ALMA) - first results by : Costas E Alissandrakis
Download or read book The sun seen with the atacama large mm and sub-mm array (ALMA) - first results written by Costas E Alissandrakis and published by Frontiers Media SA. This book was released on 2023-06-05 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Sun as a Variable Star: Solar and Stellar Irradiance Variations by : Judit M. Pap
Download or read book The Sun as a Variable Star: Solar and Stellar Irradiance Variations written by Judit M. Pap and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 321 pages. Available in PDF, EPUB and Kindle. Book excerpt: The IAU Colloquium No. 143 "The Sun as a Variable Star: Solar and Stellar Irradiance Variations" was held on June 20 - 25, 1993 at the Clarion Harvest House, Boulder, Colorado, USA. The main objective of this Colloquium was to review the most recent results on the observations, theoretical interpreta tions, and empirical and physical models of the variations observed in solar and stellar irradiances. A special emphasis of the Colloquium was to discuss the results gained on the climatic impact of solar irradiance variability. The study of changes in solar and stellar irradiances has been of high interest for a long time. Determining the absolute value of the luminosity of stars with different ages is a crucial question for the theory of stellar evolu tion and energy production of stellar interiors. Observations of the temporal changes of solar and stellar irradiances - in the entire spectral band and at different wavelengths - provide an additional tool for studying the physical processes below the photosphere and in the solar- stellar atmospheres. Since the Sun's radiative output is the main driver of the physical processes with in the Earth's atmosphere, the study of irradiance changes is an extremely important issue for climatic studies as well. Climatic models show that small, but persistent changes in solar irradiance may influence the Earth's climate.
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1975 with total page 764 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Reprints - National Radio Astronomy Observatory, Green Bank, W. Va by : National Radio Astronomy Observatory (U.S.)
Download or read book Reprints - National Radio Astronomy Observatory, Green Bank, W. Va written by National Radio Astronomy Observatory (U.S.) and published by . This book was released on 1970 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Solar and Space Weather Radio Physics by : Bin Chen
Download or read book Solar and Space Weather Radio Physics written by Bin Chen and published by Frontiers Media SA. This book was released on 2021-07-28 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Multi-wavelength Observations of Solar Flares with Emphasis on the Millimeter Emission by : Adriana Válio Roque da Silva
Download or read book Multi-wavelength Observations of Solar Flares with Emphasis on the Millimeter Emission written by Adriana Válio Roque da Silva and published by . This book was released on 1995 with total page 434 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Report on Research at AFCRL. by : Air Force Cambridge Research Laboratories (U.S.)
Download or read book Report on Research at AFCRL. written by Air Force Cambridge Research Laboratories (U.S.) and published by . This book was released on 1970 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Infrared Solar Physics by : D.M. Rabin
Download or read book Infrared Solar Physics written by D.M. Rabin and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 587 pages. Available in PDF, EPUB and Kindle. Book excerpt: Infrared Solar Physics contains the proceedings of the 154th Symposium of the International Astronomical Union held in Tucson, Arizona, March 2--5, 1992. Aimed at active workers and graduate students in solar physics, this volume provides the first comprehensive view of a rapidly expanding discipline that gives us a new perspective on the sun. Measurements across the wide infrared spectral range -- here, from 1 mum to 1 mm -- can probe the solar atmosphere from below the visible surface through the outer reaches of the corona. Taking full advantage of revolutionary advances in detector technology, infrared observations from the ground, aircraft and space have led to a better understanding of solar magnetic fields, atmospheric structure and activity, and elemental abundances. The infrared has also provided new interpretive challenges, such as the appearance of the 12-mum emission lines of magnesium. These and other developments are discussed here by the leading contributors to the field, who also give their perspectives on the future of this rich field of study.
Book Synopsis Multi-Wavelength Investigations of Solar Activity (IAU S223) by : International Astronomical Union. Symposium
Download or read book Multi-Wavelength Investigations of Solar Activity (IAU S223) written by International Astronomical Union. Symposium and published by Cambridge University Press. This book was released on 2004 with total page 766 pages. Available in PDF, EPUB and Kindle. Book excerpt: These Proceedings present the most recent results from the highly successful international solar space missions (SOHO, CORONAS-F, TRACE, RHESSI, YOHKOH) and ground observatories around the Earth, reported at the IAU Symposium 223 held in St. Petersburg, Russia, June 14-19, 2004. These include discussions of the current theories of solar dynamics and activity, new constraints provided by the multi-wavelength observations of the Sun from the interior to the heliosphere, as well as discussions of future coordinated plans and efforts of multi-wavelength investigations of the Sun. The Proceedings contain the material of seven plenary sessions and three round-table discussions
Book Synopsis Opening Frontiers in Solar Research by : COSPAR. Plenary Meeting
Download or read book Opening Frontiers in Solar Research written by COSPAR. Plenary Meeting and published by Elsevier Science & Technology. This book was released on 1991 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Literature 1975, Part 1 by : S. Böhme
Download or read book Literature 1975, Part 1 written by S. Böhme and published by Springer Science & Business Media. This book was released on 2013-04-18 with total page 640 pages. Available in PDF, EPUB and Kindle. Book excerpt: Astronomy and Astrophysics Abstracts, which has appeared in semi-annual volumes since 1969, is de voted to the recording, summarizing and indexing of astronomical publications throughout the world. It is prepared under the auspices of the International Astronomical Union (according to a resolution adopted at the 14th General Assembly in 1970). Astronomy and Astrophysics Abstracts aims to present a comprehensive documentation of literature in all fields of astronomy and astrophysics. Every effort will be made to ensure that the average time interval between the date of receipt of the original literature and publication of the abstracts will not exceed eight months. This time interval is near to that achieved by monthly abstracting journals, com pared to which our system of accumulating abstracts for about six months offers the advantage of greater convenience for the user. Volume 13 contains literature published in 1975 and received before August 15, 1975; some older literature which was received late and which is not recorded in earlier volumes is also included. We acknowledge with thanks contributions to this volume by Dr. J. Bouska, who surveyed journals and publications in the Czech language and supplied us with abstracts in English, and by the Common wealth Scientific and Industrial Research Organization (C.S.I.R.O.), Sydney, for providing titles and abstracts of papers on radio astronomy. We want to acknowledge valuable contributions to this vol ume by Zentralstelle ftir Atomkemenergie-Dokumentation, Leopoldshafen, which supported our ab stracting service by sending us retrospective literature searches.
Book Synopsis Literature 1973, Part 1 by : Siegfried Böhme
Download or read book Literature 1973, Part 1 written by Siegfried Böhme and published by Springer Science & Business Media. This book was released on 2013-03-14 with total page 618 pages. Available in PDF, EPUB and Kindle. Book excerpt: Astronomy and Astrophysics Abstracts, which has appeared in semi-annual volumes since 1969, is de voted to the recording, summarizing and indexing of astronomical publications throughout the world. It is prepared under the auspices of the International Astronomical Union (according to a resolution adopted at the 14th General Assembly in 1970). Astronomy and Astrophysics Abstracts aims to present a comprehensive documentation of literature in all fields of astronomy and astrophysics. Every effort will be made to ensure that the average time interval between the date of receipt of the original literature and publication of the abstracts will not exceed eight months. This time interval is near to that achieved by monthly abstracting journals, com pared to which our system of accumulating abstracts for about six months offers the advantage of greater convenience for the user. Volume 9 contains literature published in 1973 and received before August 15, 1973; some older liter ature which was received late and which is not recorded in earlier volumes is also included. We acknowledge with thanks contributions to this volume by Dr. J. Bouska, who surveyed journals and publications in the Czech language and supplied us with abstracts in English, and by the Common wealth Scientific and Industrial Research Organization (C.S.I.R.O.), Sydney, for providing titles and abstracts of papers on radio astronomy.
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1972 with total page 918 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1992-06 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Infrared Tools For Solar Antrophysics: What's Next? - Proceedings Of The Fifteenth National Solar Observatory/sacramento Peak Summer Workshop by : Jeffrey R Kuhn
Download or read book Infrared Tools For Solar Antrophysics: What's Next? - Proceedings Of The Fifteenth National Solar Observatory/sacramento Peak Summer Workshop written by Jeffrey R Kuhn and published by World Scientific. This book was released on 1995-06-29 with total page 486 pages. Available in PDF, EPUB and Kindle. Book excerpt: These proceedings sample new results derived from extended-objected IR observations and explore the capabilities of large-aperture, low-scattered-light instrumentation. The latest results from IR solar observations are described and a broad range of night-time problems from gravitational lens detection to planetary detection are explored in the context of what capabilities a large reflecting coronagraphic telescope could offer.
Book Synopsis The Sun and Space Weather by : Arnold Hanslmeier
Download or read book The Sun and Space Weather written by Arnold Hanslmeier and published by Springer Science & Business Media. This book was released on 2007-06-19 with total page 327 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents comprehensive coverage of the Sun and space weather, two rapidly evolving topics. In this new edition, the information has been updated to include the latest results. In addition, new sections are included, like one on space weather data sources, as well as examples and information on new satellite missions.
