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Observational method
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181	In this paper we present preliminary spectroscopic results from a small area faint K-excess (KX) survey, and compare KX selection against UVX selection. The aim of the KX method is to produce complete samples of QSOs flu Add to Reading List Source URL: www.modern-medical-science.site88.net Language: English - Date: 2013-02-01 19:57:36 Observational astronomy Space QSOS Redshift Extinction Astronomical spectroscopy Star Galaxy Gravitational lens Astronomy Physical cosmology Physics
182	Introduction COAA, the well-known astronomy holiday centre in the Algarve region of southern Portugal, is designed to appeal to amateur astronomers of all levels of experience, who are keen to discover the delights of th Add to Reading List Source URL: www.coaa.co.uk Language: English - Date: 2007-04-15 09:27:16 Astrophotography Observation Space Scientific method Amateur astronomy Romance Observational astronomy
183	SpIOMM: an Imaging FTS for Astronomy a Frédéric Grandmonta,b, Jean-François Lavignea, Laurent Drissena Université Laval, Département de physique, de génie physique et d’optique, Québec, Qc, G1K 7P4, Canada ABB a Add to Reading List Source URL: www.astro.phy.ulaval.ca Language: English - Date: 2009-03-12 16:14:37 Telescopes Optics Fourier analysis Fourier transform spectroscopy Spectroscopy Michelson interferometer Interferometry European Southern Observatory Fabry–Pérot interferometer Science Scientific method Observational astronomy
184	A New Method to Estimate Cloud Cover Fraction over El Leoncito Observatory from an AllSky Imager Designed for Upper Atmosphere Studies Author(s): C. Martinis, J. Wilson, P. Zablowski, J. Baumgardner, J. L. Aballay, B. Ga Add to Reading List Source URL: www.casleo.gov.ar Language: English - Date: 2013-01-28 07:08:49 Airglow Sky brightness Night sky Apparent magnitude Sky European Southern Observatory National Geographic Society – Palomar Observatory Sky Survey Star Observational astronomy Astronomy Space
185	OPTICAL DESIGN AND PERFORMANCE OF THE ODIN UV/VISIBLE SPECTROGRAPH AND INFRARED IMAGER INSTRUMENT Dr. Gabriel D. Warshaw Donna-Lee Desaulniers Add to Reading List Source URL: odin-osiris.usask.ca Language: English - Date: 2012-02-29 11:50:15 Scientific method Electromagnetic spectrum Telescopes Optical filters OSIRIS Rosetta mission Spectrograph Ultraviolet–visible spectroscopy Infrared Electromagnetic radiation Spectroscopy Observational astronomy
186	Genetic Matching for Estimating Causal Effects: A General Multivariate Matching Method for Achieving Balance in Observational Studies Add to Reading List Source URL: sekhon.berkeley.edu Language: English - Date: 2012-06-11 20:46:03 Regression analysis Design of experiments Epidemiology Propensity score matching Propensity score Matching Statistical power Confounding Statistics Econometrics Observational study
187	D e m i n g, d a t a a n d observational studies Add to Reading List Source URL: www.niss.org Language: English - Date: 2011-08-25 09:03:15 Design of experiments Evaluation methods Econometrics Epidemiology Scientific method Linear regression Randomized controlled trial Regression analysis Observation Science Statistics Knowledge
188	Publications of the Astronomical Society of the Pacific, 118: 924–932, 2006 June ᭧ 2006. The Astronomical Society of the Pacific. All rights reserved. Printed in U.S.A. Add to Reading List Source URL: www.phys.unsw.edu.au Language: English - Date: 2006-07-17 01:42:00 Science Cerro Tololo Inter-American Observatory Astronomical seeing Dome C Turbulence Methods of detecting extrasolar planets Scintillation Observational astronomy Astronomy Scientific method
189	This article was downloaded by:[Bochkarev, N.] On: 20 December 2007 Access Details: [subscription number[removed]] Add to Reading List Source URL: images.astronet.ru Language: English - Date: 2008-09-28 05:23:54 Observatory Astronomical seeing Astronomy Scientific method Observation Ahal Province Dushak Observational astronomy
190	PDF Document Add to Reading List Source URL: www.rsc.org Language: English - Date: 2011-04-08 12:27:03 Condensed matter physics Environmental chemistry Materials science Spectroscopy Observational astronomy XANES Extended X-ray absorption fine structure X-ray absorption fine structure Radiochemistry Science Scientific method Physics

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