... Православный календарь . ... Вечный календарь v2.5 Программа, позволяющая получать данные о любом дне григорианского или юлианского календаря в период с 100 по 3000 год н. э. В удобной форме предоставляется информация о православном и народном календарях, гражданских праздниках, астрономических данных о Луне и Солнце и др.. ... Православный календарь на год. ... Смотрите также: История календаря. ... История календаря. ... История календаря и хронология. ... Календарь и хронология майя. ...
... Н.С. КОМАРОВ- ведущий научный сотрудник Одесской астрономической обсерватории , профессор, доктор физико-математических наук . ... С.М. АНДРИЕВСКИЙ- ст. научный сотрудник Одесской астрономической обсерватории, кандидат физ-мат наук . ... Ю.М. ГОРБАНЕВ- научный сотрудник Одесской астрономической обсерватории , кандидат физико-математических наук. ... Т.В. МИШЕНИНА- ст. научный сотрудник Одесской астрономической обсерватории , кандидат физико-математических наук . ...
... Abstract: We present an extensive study of the radiative transfer in dusty galaxies based on Monte Carlo simulations. ... We have explored the dependence of A_l on a conspicuous set of quantities (Hubble type, inclination, dust optical thickness, dust distribution and extinction properties) for a large wavelength interval, ranging from 1250A to the K band, thus finally providing a comprehensive atlas of dust extinction in galaxies, which is electronically available. ... S04_MD20[ att , abs ] . ...
... This test ODF is an observation of nine point sources. Five form an F shape, and the other four form a smaller F shape with the middle source of the large F. The cluster extends over 0.25 degrees. Each source has a narrow Gaussian line spectrum, each around its own energy (1 keV, 2 keV up to 5 keV). These sources are observed with a spacecraft that is initially pointing to the source in the center and is drifting slowly during the observation. XMM-Newton SOC/SSC -- 2007-07-08 ...
... source code A class to hold information by fitting multi-component Gaussians to a NIFS data cube. Attributes: restwavl - The rest wavelength used to determine line velocities. vmin - The minimum velocity value used for generating the spectrum to fit to. vmax - The maximum velocity value used for generating the spectrum to fit to. scidata - The scidata from the fitscube, trimmed down so that it only includes the data between vmin and vmax vars - The variance ... Instance Methods . ...
... With the FORS1 instrument of the ESO VLT, we have performed during the 2007 apparition of 133P/Elst-Pizarro quasisimultaneous photometry and polarimetry of its nucleus at nine epochs in the phase angle range 0 - 20 . ... Geometric information about the dust tails of 133P/Elst-Pizarro. ... The most logical explanation of the almost absent coma and the narrow dust tails is low nucleus activity and the small terminal expansion velocity of the dust grains after release by the nucleus of 133P/Elst...
... Plates and Drilling . ... Results . ... In January of 1992 we drilled and measured a set of test plates testing several techniques including drilling with a carbide twist drill and drilling followed by reaming [R. Owen, et al., unpublished]. ... The test plates were 3.5" diameter 1/8" thick disks of aluminum. 50 holes were drilled in each test plate, 10 each in five concentric circles. ... This diameter was the optimal value for our plug plates determined from the 1/92 drilling tests. ...
Next: Access to Data Sources and the ESO SkyCat Tool . ... We describe an implementation of Dynamic Queries (DQ), a recently developed method as an alternative to the perceived complicated SQL-type operations on relational databases by a very intuitive graphical interface. This prototype implementation, written within the NEMO package, uses ASCII sliders and the PGPLOT graphics interface and uses a novel interactive analysis back-end tool that is dynamically associated with the query. ...
... Imaging GRIN Rod Lens (HAG's) | Relay Rod Lens (LAG's) | ... The Refractive Index Distributions (RID) in GRIN lens preforms are made by multi-stage optimized ion-exchange diffusion between silicate mineral glasses and salt melts. ... In the LAG lenses - L ow A perture GRIN the nature of the changing of refractive index in glass via ion-exchange lies mainly in molecular volume increase. ... LAG lenses are specially treated to create the dark anti-flick surface coating (Fig.2). ...
Next: A Coronagraphic Search for Up: NICMOS Science Previous: NICMOS Science . ... A search for previously unknown low-mass (giant planet and brown dwarf) companions to stars in the solar neighborhood, and circumstellar dust disks around main sequence stars by direct coronagraphic imaging has been undertaken by the NICMOS Instrument Definition Team (IDT). ... The problem in the target acquisition process resulted in degraded pointing and target centration performance for these observations. ...
... Telescopes . ... LS Series . Meade's revolutionary LS LightSwitchтДв series of telescopes use advanced technologies to do what no other consumer telescopes have done before: take all the hassle out of using a telescope. ... ETX Series . ... Back Cell Adapter - ETX to SCT Thread . ... Allows accessories that require a SCT thread to be attached to the ETX series of telescopes, including focal reduces and off-axis guiders. ... Allows accessories that need SCT threading to be attached to ETX series . ...
... The Magazine . ... Get to Know the Night Sky . ... Cosmic particle accelerators get things going . Cluster has shown that narrow shocks may be vital to kick-starting the acceleration process in exploding stars, young stars, black holes, and whole galaxies. ... For example, the Large Hadron Collider at CERN employs a series of small accelerators to get its particles up to speed before injecting them into the main 17-mile-circumference (27 kilometers) ring for further acceleration. ...
... Comets and Asteroids . ... Earth Satellites . ... Illustration of how NASA could capture an asteroid . ... The meteor was quite small compared to some of the objects out there that could potentially hit the Earth, thus if we understood asteroids it could be potentially life-saving! ... This mission could start as soon as the early 2020s with NASA already simulating an asteroid mission to figure out how astronauts might undertake a spacewalk on it. ... Can NASA lasso an asteroid back to Earth? ...
Astronomical Society of the Pacific Conference Series-Instructions for Authors Using Microsoft Word Lisa B. Roper and Enid L. Livingston Astronomical Society of the Pacific Conference Series, N221 ESC, Brigham Young University, Provo, Utah 84602-4463, USA J. Ward Moody Department of Physics and Astronomy, Brigham Young University, N484 ESC, Provo, Utah 84602-4463, USA Abstract. ... Please use only the included styles to format your paper. ... Within parentheses use "(Author 1 & Author2 1999)". ...
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