New techniques in astronomical spectroscopy for 8-m telescopes [PDF]
, 1998 The purpose of this thesis is to investigate new instrument technology to enhance the capabilities of 8-m telescopes. This thesis first describes the theory, design, construction, and testing of an immersed grating.
Lee, David, Lee, D.
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Investigation of a resistive anode detector for astronomical spectroscopy [PDF]
, 2015 A large format two dimensional photon counting detector has been evaluated as a detector for astronomical spectroscopy. The design comprises an 320 photocathode, a tandem MCP gain stage and a circular arc terminated resisitive anode to provide ...
Clampin, Mark
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Novel techniques of computational intelligence for analysis of astronomical structures [PDF]
, 2022 Gravitational forces cause the formation and evolution of a variety of cosmological structures. The detailed investigation and study of these structures is a crucial step towards our understanding of the universe.
Mohammadi, Mohammad; id_orcid +1 more
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EFFICIENT COMPUTATION OF PROLATE SPHEROIDAL WAVE FUNCTIONS IN RADIO ASTRONOMICAL SOURCE MODELING [PDF]
, 2011 The application of orthonormal basis functions such as Prolate Spheroidal Wave Functions (PSWF) for accurate source modeling in radio astronomy has been comprehensively studied.
Parisa Noorishad +3 more
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Efficient astronomical query processing using spark [PDF]
, 2018 Sky surveys represent a fundamental data source in astronomy. Today, these surveys are moving into a petascale regime produced by modern telescopes.
Karine Zeitouni +2 more
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Application of digital image processing techniques to astronomical imagery 1977 [PDF]
, 1978 Nine specific techniques of combination of techniques developed for applying digital image processing technology to existing astronomical imagery are described.
Lorre, J. J., Lynn, D. J.
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‘El Capri Kylex’: A Franciscan astronomical mnemonic [PDF]
, 2021 This article examines the role of memory techniques in medieval astronomy. Using a mnemonic written by a Franciscan friar c. 1330 as a case study, it shows how astronomers and astrologers simplified the sky for practical purposes, using verses and codes ...
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Turbulence characterisation for Astronomical Observatories [PDF]
, 2012 Atmospheric turbulence has two effects in astronomy; (i) the broadening of the point spread function due to phase fluctuations limiting the resolution of imaging and (ii) producing intensity fluctuations known as scintillation.
SHEPHERD, HARRY,WILLIAM +1 more
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Intensity-sensitive quality assessment of extended sources in astronomical images [PDF]
Radio astronomy studies the Universe by observing the radio emissions of celestial bodies. Different methods can be used to recover the sky brightness distribution (SBD), which describes the distribution of celestial sources from recorded data, with the ...
Li, Xiaotong +5 more
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Radio Interference and Ejecting Techniques at Beijing Astronomical Observatory [PDF]
Symposium - International Astronomical Union, 2001 In this paper, we first describe the situation of radio interference at the Miyun station in Beijing Astronomical Observatory, and then new developments in both hardware and software techniques of interference rejection for the Miyun Synthesis Radio Telescope (MSRT) are described.
X. Zhang, T. Piao, B. Peng, X. Wang
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