Spelling suggestions: "subject:"astronomical observatory""
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Calibration and interpretation of A 2.3 GHz continuum surveyGreybe, Andrew January 1984 (has links)
This thesis continues the Rhodes 2.3 GHz Survey of the Southern Sky. It consists of two parts : a data processing part and an astronomical analysis part. In the data processing part the data for the regions 4HR to 15HR, -80° to -61° and 12HR to 23HR . -27° to -7° are presented in contour map format. A beam pattern of the Hartebeesthoek telescope at 13 cm is constructed from drift scans of the radio source TAU A. This is used to investigate the data filtering techniques applied to the Rhodes Survey. It is proposed that a set of widely spaced scans which have been referred to the South Celestial Pole can provide a single calibrated baselevel for the Rhodes Survey. The observing technique and the necessary reduction programs to create a coarse grid of antenna temperatures of the Southern Sky using these observation are developed. Preliminary results for this technique are presented as a map of the region 18HR to 6HR, 90° to 30° with a 5°x5° resolution. On the astronomical side two studies are undertaken. The region 13HR to 23HR, -61° to -7° is searched for large extended areas of emission. 7 features occurring at intermediate galactic latitudes are found. They are interpreted as follows: one of them is the classical HII region surrounding the star Zeta Ophiuchi (l",b")=(6.7°,22.4°), and the rest are combinations of thermal and nonthermal emission from galactic features. The galactic equator profile for 24°> L > -58° is studied. It is dominated by a plateau of emission for L < -26°. This is interpreted as a combination of thermal and nonthermal radiation emitted by a ring of gas symmetric about the galactic centre with a radius of 4 - 6 kpc.
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A critical determination of the latitude and longitude of the Crane Observatory, Topeka, Kansas by astronomical transit measurementsWebb, Donald Homer. January 1958 (has links)
Call number: LD2668 .T4 1958 W43
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Design projections for an astronomical observatory : a small living/working community lost in the ozone at 13,600 feetMiller, Frank Charles January 1979 (has links)
Thesis. 1979. M.Arch--Massachusetts Institute of Technology. Dept. of Architecture. / MICROFICHE COPY AVAILABLE IN ARCHIVES AND ROTCH. / Includes bibliographical references. / by Frank C. Miller. / M.Arch
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Redevelopment of the Hong Kong Observatory /Kong, Yuk-ming, Simon. January 1994 (has links)
Thesis (M. Arch.)--University of Hong Kong, 1994. / Includes special study report entitled: Cosmology and its relations to architecture. Includes bibliographical references.
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A universe of sky and snow: site-testing for optical astronomy at Dome C, AntarcticaKenyon, Suzanne Laura, Physics, Faculty of Science, UNSW January 2007 (has links)
The unique advantages for astronomy on the Antarctic plateau are now well established. In particular, Dome C, Antarctica is potentially one of the best new sites for optical, infrared and sub-millimeter astronomy, presenting the opportunity to build unique astronomical instruments. Located high on the Antarctic plateau, Dome C offers low wind, clear skies, and negligible precipitation. This thesis addresses three additional properties of the site relevant to optical astronomy-sky brightness, atmospheric extinction and optical turbulence. The sky at an optical astronomy site must be dark, and the atmosphere very clean with minimal light extinction. At present little is known from an astronomer's perspective about the optical sky brightness and atmospheric extinction at most Antarctic sites. The high latitude of Dome C means that the Sun spends a relatively small amount of time far below the horizon, implying longer periods of astronomical twilight and less optical dark time than other sites, especially those close to the equator. We review the contributions to sky brightness at high-latitude sites, and calculate the amount of usable dark time at Dome C. We also explore the implications of the limited sky coverage of high-latitude sites, and review optical extinction data from the South Pole. A proposal to extend the amount of usable dark time through the use of polarising filters is examined, and we present the design and calibration of an instrument (called Nigel) to measure the brightness, spectrum and temporal characteristics of the twilight and night sky. The atmospheric turbulence profile above an astronomical site limits the achievable resolution and sensitivity of a telescope. The atmospheric conditions above high plateau Antarctic sites are different to temperate sites; the boundary layer of turbulence is confined very close to the surface, and the upper atmosphere turbulence very weak. We present the first winter-time turbulence profiles of the atmosphere above Dome C, and characterise the site in terms of the achievable precision for photometry and astrometry, and the isoplanatic angle and coherence time for the adaptive optics.
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High performance vibration isolation techniques for the AIGO gravitational wave detector /Chin, Eu-Jeen. January 2007 (has links)
Thesis (Ph. D.)--University of Western Australia, 2007.
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Redevelopment of the Hong Kong ObservatoryKong, Yuk-ming, Simon. January 1994 (has links)
Thesis (M. Arch.)--University of Hong Kong, 1994. / Includes special study report entitled: Cosmology and its relations to architecture. Includes bibliographical references. Also available in print.
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Variability in Scorpio X-1 : a study of the Scorpio monitor experiment on SAS-3.Scholtes, Michael John January 1976 (has links)
Thesis. 1976. M.S.--Massachusetts Institute of Technology. Dept. of Earth and Planetary Sciences. / Microfiche copy available in Archives and Science. / Bibliography: leaves 60-62. / M.S.
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Synopsis experience the celestial in nature--: enhanced by technology & artifacts.January 1998 (has links)
Ng Yat Chiu Patrick. / "Architecture Department, Chinese University of Hong Kong, Master of Architecture Programme 1997-98, design report." / Includes bibliographical references (leaves 112-113). / Synopsis / Existing State / Background of Hong Kong --- p.2-3 / Background of Astronomy --- p.4-7 / Astronomy in Hong Kong --- p.8 / Client Profile & Users Group --- p.9-11 / Site Selection --- p.12 / Site Analysis --- p.13-18 / Constraints --- p.19 / Opportunities --- p.20-21 / Discussion of Issues --- p.22-24 / Future State / Formulatoin of Program --- p.25-33 / List of Activities --- p.34 / Schedule of Accommodation --- p.35-36 / Design Proposal / Design Philosophy --- p.37 / Site Aspect --- p.38-41 / Design Development --- p.42-66 / Final Design / Site Approach --- p.67 / Site Zoning --- p.68 / Site Setting out --- p.69 / Museum Sequence --- p.70 / Modern Astronomy & Space Science Museum --- p.71 / Star Odyssey --- p.72 / Myth and Legend --- p.73 / Zodiac --- p.74 / Ancient Astronomical Instrument --- p.75 / Cosmology and Observatory --- p.76 / Reservoir and Water Edge --- p.77 / "Cafeteria, Internet Cafe & Contemporary Interest Topic" --- p.78 / Astronomical Observatory & Star Gazing Classroom --- p.79-80 / Environmental / Use of Energy --- p.81-86 / Lighting --- p.87-88 / Natural Ventilation --- p.89 / HVAC System --- p.90-91 / Plumping & Drainage --- p.92-93 / Life Safety / Means of Escape --- p.94-95 / Construction / General Structure --- p.96 / Special Structure --- p.97-98 / Construction Sequence --- p.99-101 / Cost Analysis Appendices --- p.102-103 / Appendices / Precedents Studies --- p.104-111 / Bibliography --- p.112-113 / Acknowledgement --- p.114
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Siting an astronomical observatory in an environmentally sensitive area: A multiple criteria location analysisPereira, Jose Miguel Oliveira Cardoso, 1959- January 1987 (has links)
Mount Graham, in Southern Arizona supports valuable, ecological communities and at least one endangered species, the Mt. Graham red squirrel. The area is managed by the U.S. Forest Service. Elevation, dryness, sky clarity and freedom from light pollution at Mt. Graham make it a desirable site for astronomy. The University of Arizona presented a proposal to the Forest Service for the development of a multi-telescope observatory on the mountain. This has generated much controversy due to the opposition of environmentalists who fear the potential impacts of development on the mountain. Eleven potential sites for astrophysical development have been identified, with varying impacts on the ecosystem. They are ranked according to their suitability for development, using multiple criteria decision making techniques. The results are very consistent and robust, both within and across techniques and can be useful for decision support and conflict management purposes.
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