Results 11 to 20 of about 12,959,304 (254)
Calibration method for the optical system of infrared CMOS-theodolite in astronomical measurement [PDF]
Scientific ReportsThe all-day astronomical measurement system, which integrates a theodolite with an infrared sensor, offers substantial advantages in miniaturization, automation, speed, measurement accuracy, and efficiency, enabling comprehensive all-day astronomical ...
Conghai Ruan +5 more
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Astronomical Research Using Virtual Observatories
Data Science Journal, 2010 The Virtual Observatory (VO) for Astronomy is a framework that empowers astronomical research by providing standard methods to find, access, and utilize astronomical data archives distributed around the world.
M Tanaka +6 more
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Plasma Diagnostics in the Era of Integral Field Spectroscopy
Galaxies, 2022 To understand the physical conditions of various gaseous systems, plasma diagnostics must be performed properly. To that end, it is equally important to have extinction correction performed properly, even before performing plasma diagnostics.
Toshiya Ueta
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Reconstruction of ancient Egyptian sundials [PDF]
Archaeoastronomy and Ancient Technologies, 2014 The article presents the results of a study of the design features of vertical and L-shaped ancient Egyptian sundials, developed their models, on the basis of which the reconstruction of the sundial was carried out.
Vodolazhskaya, L.N.
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Dispersion Characteristics of the Multi-mode Fiber-fed VIPA Spectrograph
The Astronomical Journal, 2023 A high-resolution ( ${ \mathcal R }\gt {10}^{5}$ ), multi-mode fiber-fed spectrograph on large telescopes with a reasonable size is desirable in astronomy.
Xiaoming Zhu +4 more
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Astronomical Optical Interferometry. I. Methods and Instrumentation [PDF]
Serbian Astronomical Journal, 2010 Previous decade has seen an achievement of large interferometricprojects including 8-10m telescopes and 100m class baselines. Modern computerand control technology has enabled the interferometric combination of lightfrom separate telescopes also in the ...
Jankov, S.
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A Multilevel Scheduling Framework for Distributed Time-domain Large-area Sky Survey Telescope Array
The Astronomical Journal, 2023 Telescope arrays are receiving increasing attention due to their promise of higher resource utilization, greater sky survey area, and higher frequency of full space-time monitoring than single telescopes.
Yajie Zhang +7 more
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Solving the Traveling Telescope Problem with Mixed-integer Linear Programming
The Astronomical Journal, 2023 The size and complexity of modern astronomical surveys has grown to the point where, in many cases, traditional human scheduling of observations are tedious at best and impractical at worst.
Luke B. Handley +2 more
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Scaled Gradient Projection methods for astronomical imaging [PDF]
, 2013 We describe recently proposed algorithms, denoted scaled gradient projection (SGP) methods, which provide efficient and accurate reconstructions of astronomical images.
L. Zanni +3 more
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Astronomical observatory site selection using fuzzy AHP and BWM methods [PDF]
Serbian Astronomical Journal, 2023 Establishing an observatory often involves complex decisions, such as choosing a site based on multiple conflicting criteria. In this study, we develop a multi-criteria decision analysis process by combining Geographic Information System (GIS) analysis ...
Yılmaz A.
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