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Author: Russell G. Walker
Publisher:
ISBN:
Category : Astrophysics
Languages : en
Pages : 44
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Book Description
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).
Author: Russell G. Walker
Publisher:
ISBN:
Category : Astrophysics
Languages : en
Pages : 44
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Book Description
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).
Author: Russell G. Walker
Publisher:
ISBN:
Category : Bolometer
Languages : en
Pages : 106
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Book Description
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).
Author: S.J. Bell Burnell
Publisher: Springer Science & Business Media
ISBN: 9401126801
Category : Science
Languages : en
Pages : 274
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Book Description
Infrared astronomy has undergone an enormous revolution during the last decade. Despite the great technical difficulties of building detectors in a cryogenic environment, the scientific advances in infrared astronomy have been astounding. In the near future many more advances can be expected from still newer developments in telescope and detector designs. High quality detector arrays and passively cooled telescopes are very promising techniques for achieving considerably larger apertures. This volume contains the refereed papers from the workshop on 'Next Generation Infrared Observatory', dealing with all new aspects of future infrared telescopes.
Author:
Publisher:
ISBN:
Category : Geophysics
Languages : en
Pages : 220
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Book Description
Author: Harley A. Thronson Jr.
Publisher: Springer Science & Business Media
ISBN: 9401103631
Category : Science
Languages : en
Pages : 229
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Book Description
A revolution similar to that brought by CCDs to visible astronomy is still ahead in IR and submillimeter astronomy. There is certainly no wavelength range which has, over the past several years, seen such impressive advances in technology: large-scale detector arrays, new designs for cooling in space, lightweight mirror technologies. Scientific cases for observing the cold universe are outstanding. Observations in the FIR/Submm range will provide answers to such fundamental questions as: What is the spectrum of the primordial fluctuations? How do primeval galaxies look? What are the first stages of star formation? Most of the international space missions that have been triggered by these questions are presented in detail here. Technological issues raised by these missions are reviewed, as are the most recent achievements in cooling and detector technologies.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 570
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Book Description
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 1460
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Book Description
Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Author: Environmental Research Institute of Michigan. Infrared Information and Analysis Center
Publisher:
ISBN:
Category : Infrared radiation
Languages : en
Pages : 1740
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Book Description
Author: William I. Thompson
Publisher:
ISBN:
Category : Atmosphere
Languages : en
Pages : 310
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Book Description
Author: NASA Scientific and Technical Information Facility
Publisher:
ISBN:
Category : Earth sciences
Languages : en
Pages : 622
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Book Description
