Search Results - "Christou, J."
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Recurrence Quantification Analysis as a Post-processing Technique in Adaptive Optics High-contrast Imaging
Published in The Astrophysical journal (20-11-2018)“…In this work we explore the possibility of using recurrence quantification analysis (RQA) in astronomical high-contrast imaging to statistically discriminate…”
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OI0353 Cost-of-illness of oral lichen planus in a UK population
Published in Oral surgery, oral medicine, oral pathology and oral radiology (01-05-2014)Get full text
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Stellar Bow Shocks in the Northern Arm of the Galactic Center: More Members and Kinematics of the Massive Star Population
Published in The Astrophysical journal (10-05-2005)“…We present new 2.2 km diffraction-limited images from the W. M. Keck 10 m and Gemini 8 m telescopes of the cool Galactic center sources, IRS 1W, 5, 8, 10W, and…”
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P48 A technical note: Torus palatinus exposure for surgical reduction
Published in British journal of oral & maxillofacial surgery (2010)Get full text
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Vortex-stripe soliton interactions
Published in Quantum Electronics and Laser Science Conference (QELS 2000). Technical Digest. Postconference Edition. TOPS Vol.40 (IEEE Cat. No.00CH37089) (15-01-2000)“…Summary form only given. Recently, different types of the soliton transverse instabilities have been observed experimentally for photorefractive, saturable…”
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An evidence-based approach to valid consent as applied to the pharmacological management of patients in the dental setting
Published in S.A.A.D. digest (01-01-2007)Get more information
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The orbit of asteroid (317) Roxane’s satellite Olympias from Gemini, Keck, VLT and the SOR, and (22) Kalliope’s Linus from the SOR
Published in Icarus (New York, N.Y. 1962) (01-04-2021)“…A definitive orbit is derived for asteroid (317) Roxane’s satellite Olympias [S/2009 (317)1] by combining the 2009 discovery images from Gemini North (Merline…”
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Triaxial ellipsoid dimensions and rotational poles of seven asteroids from Lick Observatory adaptive optics images, and of Ceres
Published in Icarus (New York, N.Y. 1962) (01-10-2008)“…Seven main belt asteroids, 2 Pallas, 3 Juno, 4 Vesta, 16 Psyche, 87 Sylvia, 324 Bamberga, and 707 Interamnia, were imaged with the adaptive optics system on…”
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Infrared speckle imaging : data reduction with application to binary stars
Published in Experimental astronomy (1991)Get full text
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Photoevaporating stellar envelopes observed with Rayleigh beacon adaptive optics
Published in The Astrophysical journal (01-01-1995)“…We present H-alpha and I-band images of a approximately 1 min diameter field centered on theta(sup 1) C Ori made with a unique adaptive optics system that uses…”
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IMAGE QUALITY, TIP-TILT CORRECTION, AND SHIFT-AND-ADD INFRARED IMAGING
Published in Publications of the Astronomical Society of the Pacific (01-09-1991)“…The image quality obtainable with shift-and-add (SAA) imaging for the recovery of diffractionlimited information is quantitatively investigated using data…”
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Triaxial ellipsoid dimensions and poles of asteroids from AO observations at the Keck-II telescope
Published in Icarus (New York, N.Y. 1962) (01-07-2009)“…Five main belt asteroids, 2 Pallas, 129 Antigone, 409 Aspasia, 532 Herculina, and 704 Interamnia were imaged with the adaptive optics system on the 10 m…”
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The Resolved Asteroid Program – Size, shape, and pole of (52) Europa
Published in Icarus (New York, N.Y. 1962) (01-07-2013)“…► We analyze adaptive-optics images of C-type Asteroid (52) Europa. ► We determine its ellipsoidal triaxial diameters, and pole orientation. ► We derive a…”
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The Resolved Asteroid Program - Size, shape, and pole of (52) Europa
Published 22-01-2013“…With the adaptive optics (AO) system on the 10 m Keck-II telescope, we acquired a high quality set of 84 images at 14 epochs of asteroid (52) Europa on 2005…”
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Synthetic aperture imaging at infrared wavelengths
Published in Monthly notices of the Royal Astronomical Society (01-11-1989)“…Observations of η Oph and γ CrB at a wavelength of 2.2 µm indicate that diffraction-limited images of high dynamic range are routinely attainable with…”
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Three dimensional bright spatial soliton collision and fusion in a saturable Nonlinear Medium
Published in Physical review letters (08-04-1996)Get full text
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The triaxial ellipsoid dimensions, rotational pole, and bulk density of ESA Rosetta target asteroid (21) Lutetia
Published 17-06-2010“…We seek the best size estimates of the asteroid (21) Lutetia, the direction of its spin axis, and its bulk density, assuming its shape is well described by a…”
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Physical properties of ESA Rosetta target asteroid (21) Lutetia: Shape and flyby geometry
Published 17-06-2010“…Aims. We determine the physical properties (spin state and shape) of asteroid (21) Lutetia, target of the ESA Rosetta mission, to help in preparing for…”
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Effect of wavelength on in vivo images of the human cone mosaic
Published in Journal of the Optical Society of America. A, Optics, image science, and vision (01-12-2005)“…In images of the human fundus, the fraction of the total returning light that comes from the choroidal layers behind the retina increases with wavelength…”
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