High Precision Optical Interferometry and Application to be Stars [microform]

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Publisher : Library and Archives Canada = Bibliothèque et Archives Canada
ISBN 13 : 9780612942417
Total Pages : 298 pages
Book Rating : 4.9/5 (424 download)

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Book Synopsis High Precision Optical Interferometry and Application to be Stars [microform] by : Christopher Tycner

Download or read book High Precision Optical Interferometry and Application to be Stars [microform] written by Christopher Tycner and published by Library and Archives Canada = Bibliothèque et Archives Canada. This book was released on 2004 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt: A new technique for calibrating optical long-baseline interferometric observations is developed where both the calibration corrections and the source characteristics are obtained from the observations of a program star. This calibration technique can only be applied to certain classes of objects, such as emission line sources or binary systems, where the parameters describing the characteristics of the source have different functional dependence than the calibration parameters. To demonstrate its effectiveness, the technique is applied to observations of four different Be stars obtained with the Navy Prototype Optical Interferometer. The interferometric observations utilize measurements obtained simultaneously in many spectral channels covering a wide spectral range, where only two channels contain a strong signal due to the circumstellar envelope in the Halpha emission line. The calibrated observations in Halpha allow modeling of the circumstellar envelopes of all four stars with circularly symmetric and elliptical Gaussian models. The best-fit model parameters are then combined with similar results for other Be stars, already published in the literature, to study the relationship between the Ha emission and the physical extent of the Halpha-emitting circumstellar region. For the first time, a clear dependence of the net Halpha emission on the extent of the circumstellar region is demonstrated. These results are consistent with an optically thick line emission that is directly proportional to the effective area of the emitting disk. Within the small sample of stars considered in this analysis, no clear dependence on the spectral type or stellar rotation is established, although the results do suggest that hotter stars might have more extended circumstellar regions.

Scientific and Technical Aerospace Reports

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Publisher :
ISBN 13 :
Total Pages : 652 pages
Book Rating : 4.:/5 (319 download)

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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 1995 with total page 652 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Literature 1992, Part 1

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Publisher : Springer Science & Business Media
ISBN 13 : 3662123797
Total Pages : 1456 pages
Book Rating : 4.6/5 (621 download)

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Book Synopsis Literature 1992, Part 1 by : Astronomisches Recheninstitut

Download or read book Literature 1992, Part 1 written by Astronomisches Recheninstitut and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 1456 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Astronomy and Astrophysics Abstracts" appearing twice a year has become oneof the fundamental publications in the fields of astronomy, astrophysics andneighbouring sciences. It is the most important English-language abstracting journal in the mentioned branches. The abstracts are classified under more than a hundred subject categories, thus permitting a quick survey of the whole extended material. The AAA is a valuable and important publication for all students and scientists working in the fields of astronomy and related sciences. As such it represents a necessary ingredient of any astronomical library all over the world.

Interferometry and Synthesis in Radio Astronomy

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Publisher : Wiley-Interscience
ISBN 13 :
Total Pages : 568 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Interferometry and Synthesis in Radio Astronomy by : A. Richard Thompson

Download or read book Interferometry and Synthesis in Radio Astronomy written by A. Richard Thompson and published by Wiley-Interscience. This book was released on 1986-04-28 with total page 568 pages. Available in PDF, EPUB and Kindle. Book excerpt: A unified description of the theory and practice of radio interferometry and synthesis mapping techniques as they apply to astronomy and geology. Beginning with an historical review, it goes on to provide a detailed description of all aspects of radio inferometry, from basic principles through instrumental design to data reduction. Over 450 original papers and monographs are cited.

Literature 1989, Part 1

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Publisher : Springer Science & Business Media
ISBN 13 : 3662123703
Total Pages : 1433 pages
Book Rating : 4.6/5 (621 download)

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Book Synopsis Literature 1989, Part 1 by : Astronomisches Rechen-Institut

Download or read book Literature 1989, Part 1 written by Astronomisches Rechen-Institut and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 1433 pages. Available in PDF, EPUB and Kindle. Book excerpt: From the reviews: "Astronomy and Astrophysics Abstracts has appeared in semi-annual volumes since 1969 and it has already become one of the fundemental publications in the fields of astronomy, astrophysics and neighbouring sciences. It is the most important English-language abstracting journal in the mentioned branches. ...The abstracts are classified under more than a hundred subject categories, thus permitting a quick survey of the whole extended material. The AAA is a valuable and important publication for all students and scientists working in the fields of astronomy and related sciences. As such it represents a necessary ingredient of any astronomical library all over the world." Space Science Review# "Dividing the whole field plus related subjects into 108 categories, each work is numbered and most are accompanied by brief abstracts. Fairly comprehensive cross-referencing links relevant papers to more than one category, and exhaustive author and subject indices are to be found at the back, making the catalogues easy to use. The series appears to be so complete in its coverage and always less than a year out of date that I shall certainly have to make a little more space on those shelves for future volumes." The Observatory Magazine#

Monthly Catalogue, United States Public Documents

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Publisher :
ISBN 13 :
Total Pages : 1638 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Monthly Catalogue, United States Public Documents by :

Download or read book Monthly Catalogue, United States Public Documents written by and published by . This book was released on 1995 with total page 1638 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Monthly Catalog of United States Government Publications

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Publisher :
ISBN 13 :
Total Pages : 1272 pages
Book Rating : 4.3/5 (243 download)

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Book Synopsis Monthly Catalog of United States Government Publications by : United States. Superintendent of Documents

Download or read book Monthly Catalog of United States Government Publications written by United States. Superintendent of Documents and published by . This book was released on 1991 with total page 1272 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Physics Briefs

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Publisher :
ISBN 13 :
Total Pages : 950 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Physics Briefs by :

Download or read book Physics Briefs written by and published by . This book was released on 1992 with total page 950 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Optical Engineering

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Publisher :
ISBN 13 :
Total Pages : 876 pages
Book Rating : 4.E/5 ( download)

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Book Synopsis Optical Engineering by :

Download or read book Optical Engineering written by and published by . This book was released on 1997 with total page 876 pages. Available in PDF, EPUB and Kindle. Book excerpt: Publishes papers reporting on research and development in optical science and engineering and the practical applications of known optical science, engineering, and technology.

Laser Physics at the Limits

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Publisher : Springer Science & Business Media
ISBN 13 : 3662048973
Total Pages : 525 pages
Book Rating : 4.6/5 (62 download)

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Book Synopsis Laser Physics at the Limits by : Hartmut Figger

Download or read book Laser Physics at the Limits written by Hartmut Figger and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 525 pages. Available in PDF, EPUB and Kindle. Book excerpt: Published on the occasion of Theodor Hänsch's 60th Birthday emphasis is placed on precision related to results in a variety of fields, such as atomic clocks, frequency standards, and the measurement of physical constants in atomic physics. Furthermore, illustrations and engineering applications of the fundamentals of quantum mechanics are widely covered. It has contributions by Nobel prize winners Norman F. Ramsey, Steven Chu, and Carl E. Wieman.

Literature 1991, Part 2

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Publisher : Springer Science & Business Media
ISBN 13 : 3662123762
Total Pages : 1592 pages
Book Rating : 4.6/5 (621 download)

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Book Synopsis Literature 1991, Part 2 by : Astronomisches Rechen-Institut

Download or read book Literature 1991, Part 2 written by Astronomisches Rechen-Institut and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 1592 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Astronomy and Astrophysics Abstracts" appearing twice a year has become oneof the fundamental publications in the fields of astronomy, astrophysics andneighbouring sciences. It is the most important English-language abstracting journal in the mentioned branches. The abstrats are classified under more than a hundred subject categories, thus permitting a quick survey of the whole extended material. The AAA is a valuable and important publication for all students and scientists working in the fields of astronomy and related sciences. As such it represents a necessary ingredient of any astronomical library all over the world.

Optical Shop Testing

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Publisher : John Wiley & Sons
ISBN 13 : 0471484040
Total Pages : 882 pages
Book Rating : 4.4/5 (714 download)

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Book Synopsis Optical Shop Testing by : Daniel Malacara

Download or read book Optical Shop Testing written by Daniel Malacara and published by John Wiley & Sons. This book was released on 2007-07-16 with total page 882 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this third edition is to bring together in a single book descriptions of all tests carried out in the optical shop that are applicable to optical components and systems. This book is intended for the specialist as well as the non-specialist engaged in optical shop testing. There is currently a great deal of research being done in optical engineering. Making this new edition very timely.

Remote Sensing of Earth Resources

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Publisher :
ISBN 13 :
Total Pages : 620 pages
Book Rating : 4.X/5 (1 download)

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Book Synopsis Remote Sensing of Earth Resources by : NASA Scientific and Technical Information Facility

Download or read book Remote Sensing of Earth Resources written by NASA Scientific and Technical Information Facility and published by . This book was released on 1970 with total page 620 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Dissertation Abstracts International

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Publisher :
ISBN 13 :
Total Pages : 946 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Dissertation Abstracts International by :

Download or read book Dissertation Abstracts International written by and published by . This book was released on 2008 with total page 946 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Journal of Current Laser Abstracts

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Publisher :
ISBN 13 :
Total Pages : 832 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Journal of Current Laser Abstracts by :

Download or read book Journal of Current Laser Abstracts written by and published by . This book was released on 1981 with total page 832 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Government Reports Announcements & Index

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Publisher :
ISBN 13 :
Total Pages : 1132 pages
Book Rating : 4.3/5 (243 download)

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Book Synopsis Government Reports Announcements & Index by :

Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1988 with total page 1132 pages. Available in PDF, EPUB and Kindle. Book excerpt:

NASA Reference Publication

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Publisher :
ISBN 13 :
Total Pages : 754 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis NASA Reference Publication by :

Download or read book NASA Reference Publication written by and published by . This book was released on 1977 with total page 754 pages. Available in PDF, EPUB and Kindle. Book excerpt: