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Infrared Celestial Backgrounds
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Book Synopsis Infrared Celestial Backgrounds by : Russell G. Walker
Download or read book Infrared Celestial Backgrounds written by Russell G. Walker and published by . This book was released on 1962 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: SURVEY OF OBSERVATIONAL DATA ON INFRARED EMISSION FROM CELESTIAL OBJECTS IS PRESENTED AND CORRELATED WITH RECENT THEORETICAL CALCULATIONS. Spectral distribution of the radiation is analyzed with regard to departures from blackbody radiation predictions based upon effective temperatures and stellar spectral classification. Application of these data to infrared systems is discussed and the infrared background radiance values due to the galactic and solar systems are calculated. (Author).
Book Synopsis Research on Infrared Celestial Backgrounds by : Stephan D. Price
Download or read book Research on Infrared Celestial Backgrounds written by Stephan D. Price and published by . This book was released on 1967 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: The study of the infrared celestial background was conducted at the Mt. John University Observatory of the South Island, New Zealand, from October 1966 through October 1967. The instrument used for the survey of the sky at 2.2 microns from -30 degrees to the South Celestial Pole is a 24-inch, f/2 cast aluminum parabolic mirror, Kanigen-nickel coated, polished to one wave (1/4 wave in the infrared), and aluminized. The data gathered in the survey indicate that the southern sky is rich in objects bright in the infrared. In particular, a 2 x 4 minute of arc diffuse source was discovered in the direction of a dark nebula in the Milky Way. (Author).
Book Synopsis Infrared Celestial Backgrounds by : R. G. Walker
Download or read book Infrared Celestial Backgrounds written by R. G. Walker and published by . This book was released on 1962 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Infrared Celestial Backgrounds Studies, Volume i by : United States. Air Force. Air Matériel Command
Download or read book Infrared Celestial Backgrounds Studies, Volume i written by United States. Air Force. Air Matériel Command and published by . This book was released on 1998 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this program was to extend and improve the present capability to predict celestial phenomenology pertinent to the design and successful operation of space based surveillance systems using the ultraviolet, optical, and infrared spectral regions. We pursued this goal through analysis and application of existing datasets and, in particular, by analysis of new satellite measurements that became available during the course of the project. Our work was concentrated in four major areas: (1) extension of an existing analytical model of the infrared point source sky (SKY), (2) development of a set of absolutely calibrated spectral stellar irradiance standards for the infrared, (3) analysis of new celestial data obtained by satellite, and (4) support of the infrared celestial measurements taken by the Midcourse Space Experiment (MSX) satellite. Volume 1 summarizes the work performed under the contract, and includes reprints of the major papers published during the contractual period. Volume 2 presents the final release of an all sky network of 422 stars with absolutely calibrated stellar spectra in the 1.2 to 35 um region. Volume 2 also contains reprints of the complete series of published papers documenting the spectral calibration process and assumptions.
Book Synopsis Infrared Celestial Backgrounds Studies by : Russell G. Walker
Download or read book Infrared Celestial Backgrounds Studies written by Russell G. Walker and published by . This book was released on 1998 with total page 187 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Infrared Celestial Backgrounds Studies, Volume 1. Summary of Project Goals and Accomplishments by : R. G. Walker
Download or read book Infrared Celestial Backgrounds Studies, Volume 1. Summary of Project Goals and Accomplishments written by R. G. Walker and published by . This book was released on 1998 with total page 89 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this program was to extend and improve the present capability to predict celestial phenomenology pertinent to the design and successful operation of space based surveillance systems using the ultraviolet, optical, and infrared spectral regions. We pursued this goal through analysis and application of existing datasets and, in particular, by analysis of new satellite measurements that became available during the course of the project. Our work was concentrated in four major areas: (1) extension of an existing analytical model of the infrared point source sky (SKY), (2) development of a set of absolutely calibrated spectral stellar irradiance standards for the infrared, (3) analysis of new celestial data obtained by satellite, and (4) support of the infrared celestial measurements taken by the Midcourse Space Experiment (MSX) satellite. Volume 1 summarizes the work performed under the contract, and includes reprints of the major papers published during the contractual period. Volume 2 presents the final release of an all sky network of 422 stars with absolutely calibrated stellar spectra in the 1.2 to 35 um region. Volume 2 also contains reprints of the complete series of published papers documenting the spectral calibration process and assumptions.
Book Synopsis Celestial Background Radiation by : Russell G. Walker
Download or read book Celestial Background Radiation written by Russell G. Walker and published by . This book was released on 1964 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: A short review is given of the literature pertinent to the bolometric correction. A recommended scale of bolometric corrections is presented based upon recent model atmospheres for stars of early spectral type, and upon stellar energy distributions synthesized from photoelectric observations of stars later than FO V. The reduction of various photoelectrically determined magnitude and color systems to a common system and the further reduction of these measurements to absolute energy units is discussed in some detail. (Author).
Book Synopsis History of Space-Based Infrared Astronomy and the Air Force Infrared Celestial Backgrounds Program by :
Download or read book History of Space-Based Infrared Astronomy and the Air Force Infrared Celestial Backgrounds Program written by and published by . This book was released on 2008 with total page 365 pages. Available in PDF, EPUB and Kindle. Book excerpt: A retrospective is provided on space-based astronomy missions and the prominent role the US Defense Department (DoD), particularly the Air Force, played in early days of infrared astronomy and the technology development that was transitioned to the infrared astronomical community. The geophysics programs at the Air Force Cambridge Research Laboratories (AFCRL) and successor organizations (AFGL) at Hanscom Air Force Base are described in order to provide a context for the DoD infrared astronomy program. AFCRL and AFGL conducted the early mid-infrared probe-rocket based surveys as well as supporting related experiments under university contracts. The succession of subsequent orbital experiments is also described.
Book Synopsis INFRARED CELESTIAL BACKGROUNDS STUDIES, VOLUME 2 : A RADIOMETRIC ALL-SKY NETWORK OF ABSOLUTERLY CALIBRATED STELLAR SPECTRA. by : United States. Air Force. Air Matériel Command
Download or read book INFRARED CELESTIAL BACKGROUNDS STUDIES, VOLUME 2 : A RADIOMETRIC ALL-SKY NETWORK OF ABSOLUTERLY CALIBRATED STELLAR SPECTRA. written by United States. Air Force. Air Matériel Command and published by . This book was released on 1998 with total page 187 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Infrared Celestial Backgrounds Studies by : Russell G. Walker
Download or read book Infrared Celestial Backgrounds Studies written by Russell G. Walker and published by . This book was released on 1998 with total page 85 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Infrared Celestial Backgrounds Studies, Volume 2. A Radiometric All-Sky Network of Absolutely Calibrated Stellar Spectra by : Russell Walker
Download or read book Infrared Celestial Backgrounds Studies, Volume 2. A Radiometric All-Sky Network of Absolutely Calibrated Stellar Spectra written by Russell Walker and published by . This book was released on 1998 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this program was to extend and improve the present capability to predict celestial phenomenology pertinent to the design and successful operation of space based surveillance systems using the ultraviolet, optical, and infrared spectral regions. We pursued this goal through analysis and application of existing datasets and, in particular, by analysis of new satellite measurements that became available during the course of the project. Our work was concentrated in four major areas: (1) extension of an existing analytical model of the infrared point source sky (SKY), (2) development of a set of absolutely calibrated spectral stellar irradiance standards for the infrared, (3) analysis of new celestial data obtained by satellite, and (4) support of the infrared celestial measurements taken by the Midcourse Space Experiment (MSX) satellite. Volume 1 summarizes the work performed under the contract, and includes reprints of the major papers published during the contractual period. Volume 2 presents the final release of an all sky network of 422 stars with absolutely calibrated stellar spectra in the 1.2 to 35 um region. Volume 2 also contains reprints of the complete series of published papers documenting the spectral calibration process and assumptions.
Book Synopsis Study of the Infrared Celestial Background by : Alan F. Bentley
Download or read book Study of the Infrared Celestial Background written by Alan F. Bentley and published by . This book was released on 1988 with total page 67 pages. Available in PDF, EPUB and Kindle. Book excerpt: The following revised objectives were formulated: to determine the nature of infrared sources observed; to carry out theoretical investigations on the nature and evolution of selected infrared sources; and to establish the statistical distribution of infra-sources in space to a sensitivity limit and spatial resolution consistent with available observing equipment and techniques. The research objectives follow: Research on infrared sources in the W40 complex was published. Results of radio and infrared observations of OH/IR stars in the Galaxy were published. A theoretical study of the possibilities for observation of galaxies in the process of formation in the early universe was published in the Proceedings of the Montana Academy of Science. The results of a series of observations made on Nova Vulpeculae 1984 2 were published. Preliminary results on our studies of the infrared properties of the nuclei of planetary nebulae were presented. A theoretical model has been constructed for transfer of cosmic ray energy to emission nebulae. (jhd).
Book Synopsis Structure of the Extended Emission in the Infrared Celestial Background by : Stephan D. Price
Download or read book Structure of the Extended Emission in the Infrared Celestial Background written by Stephan D. Price and published by . This book was released on 1986 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: The extended emission in the infrared celestial background may be divided into three main components: the zodiacal background, the large discrete sources in the galaxy and the interstellar dust. The zodiacal background is due to the thermal reradiation of sunlight absorbed by the dust in the solar system. An earth orbiting infrared telescope will detect the diffuse emission from this dust in all directions with maximum intensity lying roughly along the ecliptic plane where the density of dust is highest. Structure with scale lengths of 10 deg have been measured in both the visual and infrared; finer structure has been detected in the infrared by the Infrared Astronomy Satellite. H II regions, areas of ionized gas mixed with and surrounded by dust, are the brightest discrete objects in the galaxy in the long wavelength infrared re-emitted in the infrared with a range of temperatures characteristic of the thermal equilibrium for the surroundings of the dust. The emission from the interstellar dust produces a filimentary structured background, the infrared cirrus. The observed far infrared color temperature of about 20-35K for the cirrus is consistent with emission form graphite and silicate grains which absorb the interstellar radiation field. The much larger LWIR color temperature is likely due to a greater abundance of sub-micron particles in the interstellar medium and, perhaps, from band emission due to polycyclic aromatic hydrocarbons. These galactic plane which has full width at half maxima of about 2 deg.
Book Synopsis Infrared Astronomy – Seeing the Heat by : David L. Clements
Download or read book Infrared Astronomy – Seeing the Heat written by David L. Clements and published by CRC Press. This book was released on 2014-11-21 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt: Uncover the Secrets of the Universe Hidden at Wavelengths beyond Our Optical Gaze William Herschel’s discovery of infrared light in 1800 led to the development of astronomy at wavelengths other than the optical. Infrared Astronomy – Seeing the Heat: from William Herschel to the Herschel Space Observatory explores the work in astronomy that relies on observations in the infrared. Author David L. Clements, a distinguished academic and science fiction writer, delves into how the universe works, from the planets in our own Solar System to the universe as a whole. The book first presents the major telescopes in the world of observational infrared astronomy, explains how infrared light is detected through various kinds of telescopes, and describes practical problems that send infrared astronomers to the tops of mountains and their telescopes into orbit and beyond. Much of the book focuses on what infrared astronomers find in their observations. You’ll discover what infrared astronomy reveals about the planets, moons, and other bodies that constitute our Solar System; star formation and stellar evolution; the processes that shape galaxies; and dark energy and dark matter. Infrared astronomy has revolutionized our understanding of the universe and has become essential in studying cosmology. Accessible to amateur astronomers, this book presents an overview of the science and technology associated with infrared astronomy. With color figures, it shows you how infrared astronomy provides insights into the workings of the universe that are unavailable at other wavelengths.
Book Synopsis Research Directed Toward the Production of an Atlas of Infrared Celestial Backgrounds by : Philip W. Davis
Download or read book Research Directed Toward the Production of an Atlas of Infrared Celestial Backgrounds written by Philip W. Davis and published by . This book was released on 1966 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: The report describes the research and development performed toward the development and testing of equipment and techniques for the production of an atlas of infrared celestial backgrounds. Instrumentation developed during the course of the contract includes: (1) 21 in, f/2.3 Newtonian telescope; (2) 5 in refracting telescope; (3) Multichannel infrared photometer; (4) Photomultiplier photometer. (Author).
Book Synopsis Celestial Infrared Calibration Sources in the 8-14 Micrometer Region by : Thomas E. Cecil
Download or read book Celestial Infrared Calibration Sources in the 8-14 Micrometer Region written by Thomas E. Cecil and published by . This book was released on 1973 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: Venus and Jupiter are often used as long wavelength infrared (LWIR) calibration sources. The authors have reviewed the literature on radiometric and spectrometric measurements of these two planets and adopted reasonable brightness temperatures and spectral dependencies for their thermal radiation. Using these data, irradiance coefficients that can be used to determine the irradiance reaching the earth from these planets at any time were calculated. A crucial factor in the utility of these planets as calibration sources is the constancy with which they radiate in the infrared. The authors conclude that Jupiter may be a variable source. Venus, on the other hand, appears to be generally quite constant, but brief temporal variations may take place.
Author :Environmental Research Institute of Michigan. Infrared Information and Analysis Center Publisher : ISBN 13 : Total Pages :1740 pages Book Rating :4.3/5 (121 download)
Book Synopsis The Infrared Handbook by : Environmental Research Institute of Michigan. Infrared Information and Analysis Center
Download or read book The Infrared Handbook written by Environmental Research Institute of Michigan. Infrared Information and Analysis Center and published by . This book was released on 1978 with total page 1740 pages. Available in PDF, EPUB and Kindle. Book excerpt:
